Answer:
Step-by-step explanation:
hello :
y = -3x+10
Please help ASAP I don’t know how to do this
∆HGJ is isosceles
hence, angleH = angle J
8x = 6x + 18
8x - 6x = 18
2x = 18
x = 18/2
x = 9
angleH = 8x = 8×9 = 72
angleH =72°
The equation K = StartFraction one-half EndFractionmv2 represents the energy an object has based on its motion. The kinetic energy, K, is based on the mass of the object, m, and the velocity of the object, v. Lashandra is given K and v for 10 different objects. In order to make solving more efficient, she solves the equation for m : m = m equals StartFraction K Over 2 v squared EndFraction.. After attempting to determine the mass of a few objects, Lashandra realizes there must be something wrong with her formula.
Answer:
She should have multiplied by 2 instead of dividing by 2.
Step-by-step explanation:
Answer:
A./The fist one. (She should have multiplied by 2 instead of dividing by 2.)
Based on the chemical equation, use the drop-down menu to choose the coefficients that will balance the chemical
equation:
H₂0H₂ + O₂
2, 2, 1 use the drop-down menu to choose the coefficients that will balance the chemical equation.
How do chemical equations work?
These equations employ chemical symbols and formulae to represent chemical reactions. The reactants are represented on the left side of a chemical equation, and the products are on the right.
The reactant entities are presented on the left hand side of a chemical equation, while the product entities are given on the right hand side.
Due to the fact that there are two oxygen atoms on the right side of the equation but only one on the left, the coefficient of H2O will be 2. As of right now, the right side only has two hydrogens whereas the left side has four. Adding a 2 as the H2 coefficient will bring the equation into balance. The equation already has a balanced state, therefore we don't need to adjust the O2 coefficient.
Final answer, 2, 2, 1.
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Select all the ratios that are equivalent to the ratio 12:3
Answer: Select all the ratios that are equivalent to the ratio 12 : 3. Explain how you know.
A. 6:1
B. 1:4
C. 4:1
D. 24 : 6
E. 15:6
F. 1,200 : 300
G. 112: 13
So the answers are c, d, and f.
Step-by-step explanation:
Answer:
C, D, and F
Step-by-step explanation:
You have to find numbers that are equal to 12 and 3.
C - 4:1, that's both numbers divided by 3.
D - 24:6 both numbers have been doubled.
F - 1,200:300 both of the numbers are ×100.
Hope this helps :)
Nigel, Gina, and Kamal bought dog supplies.
Each person spent between $15 and $20.
Nigel bought 4 items.
Gina bought 5 items.
Kamal bought 2 items.
The prices of the items are given below. Drag items to each box to show what each person could have bought.
PLEASE HELP I BEG YOU
Answer:
5 items: 1 dog bone, 3 water bowls, 1 collar
4 Items: 3 Water bowls, 1 Box Of Dog Food
2 items: 1 box of dog food, 1 collar
Select the correct answer Rita is making a beaded bracelet she has a collection of 160 blue beads 80 gray beads and 240 pink beads what is the estimated probability that Rita will need to pick at least five beads before she picks a gray bead from her collection use a table of randomly generated outcomes to answer the question each letter represents the first letter of the bead color 0.05 0.10 0.45 0.55
Answer:
the answer is .45 I am assuming
i buy 5 metres of cloth at x per metre. How much change will i get from 7,000 NGN
Answer:
charge it 1400 per meter
Step-by-step explanation:
given data
rate = x per meter
cloth = 5 meter
price = 7000
solution
we get here change that i get is x
we get 5 meter at x rate so
5 × x = 7000 ...........1
x = \(\frac{7000}{5}\)
x =
so we charge it 1400 per meter
On a coordinate plane, a parabola opens down with solid circles along the parabola at (negative 3, negative 5), (negative 2, 0), (negative 1, 3), (0, 4), (1, 3), (2, 0), (3, negative 5). Which statement is true regarding the intervals where the function is increasing and decreasing? The function is increasing from (–∞, 0). The function is increasing from (0, ∞). The function is decreasing from (–∞, 0). The function is decreasing from (–∞, ∞).
The true statement regarding the intervals where the function is increasing and decreasing is option A: The function is increasing from (–∞, 0).
What is a function?A function is defined as a relation between the set of inputs having exactly one output each.
On a coordinate plane, a parabola opens down with solid circles along the parabola at (-3, -5), (-2, 0), (-1, 3), (0, 4), (1, 3), (2, 0), (3, -5).
The domain is all real numbers.
The range is all real numbers.
If for an interval I, when x decreases meanwhile staying in interval I, the function's output increases (or can stay same), then we say that the function is increasing in the interval.
The true statement regarding the intervals where the function is increasing and decreasing is option A: The function is increasing from (–∞, 0).
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Answer:
A
Step-by-step explanation:
If each of these runners travels the indicated number of spaces in the same amount of time, at which numbered spot will all of the runners be next to one another?
The numbered spot at which all the runners will be next to one another is spot 19.
What is the LCM?Least Common Multiple is the meaning of the acronym LCM. The lowest number that may be divided by both numbers is known as the least common multiple (LCM) of two numbers. It may also be computed using two or more real numbers.
Starting with the runner on the outside track, the provided parameters are;
The runner covered n₁ = 5 places on the outside track, which is the number of spaces.
Next, the inner runner will traverse n₂ spaces, which equals one space.
The following inner runner will cover n₃ = 3 spaces.
The subsequent runner will traverse n₄ = 2 spaces.
The Lowest Common Multiple, or LCM, of all the runners' speeds or the total number of spaces they cover in the same amount of time, determines where all the runners will be placed next to one another.
LCM(5, 1, 3, 2) = 30 is the LCM of 5, 1, 3, and 2.
Time = 30/ = 6
Consequently, when the first runner has covered 30 places, we have;
Six time units have been expended.
The runner comes to a stop at position 30- (30 -19) = Position 19.
First runner's new destination is Spot 19.
The distance covered simultaneously by runner 2 is 6 x 1 = 6.
The distance covered by two runners running simultaneously equals six spaces.
Second runner's new position: 6 spaces plus spot 13 equals spot 19.
The combined distance covered by the three runners is 6 x 3 = 18.
The distance runner 3 covers 18 spaces simultaneously.
Third runner's new position: 18 spaces + Spot 1 = 19 spaces
Runner 4 covers a distance of 6 x 2 = 12 at the same time.
Distance runner 4 journeys equals 12 spaces
Runner 4's new position is now 12 spaces Plus Spot 7 = Spot 19.
Therefore, all the runners will be next to one another is spot 19.
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A playground 88 ft long and 58 ft wide is to be resurfaced at a cost of $2.75 per sq ft. What will the resurfacing cost?
The resurfacing will cost $.
(Simplify your answer. Type an integer or a decimal.)
Answer: $1856
Step-by-step explanation: 88 x 58 = 5104. 5104/2.75= 1856
To get the value of ‘a’, the number to be divided on either side of equation 6a = 30 is
Answer: it should be +6
Step-by-step explanation:
Desperate Need Of Help
The domain and range of the graph above in interval notation include the following:
Domain = [-6, 3]
Range = [-3, 3]
What is a domain?In Mathematics and Geometry, a domain refers to the set of all real numbers (x-values) for which a particular function (equation) is defined.
In Mathematics and Geometry, the horizontal portion of any graph is used to represent all domain values and they are both read and written from smaller to larger numerical values, which simply means from the left of any graph to the right.
By critically observing the graph shown in the image attached above, we can reasonably and logically deduce the following domain and range:
Domain = [-6, 3] or -6 ≤ x < 3.
Range = [-3, 3] or -3 < y < 3
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e the function.
R
ƒ(x) = −x² – 10x + 16
Find f(-7)
Submit Answer
Answer
37
Step by Step explanation
replace x with -7
which gives
-(-7)^2-10(-7)+16
= 37
Drag each number to a box to complete the table. Each number may be used once or not at all
Each number should be dragged to a box to complete the table as follows;
Kilometers Meters
1 1,000
2 2,000
3 3,000
5 5,000
8 8,000
What is a conversion factor?In Science and Mathematics, a conversion factor can be defined as a number that is used to convert a number in one set of units to another, either by dividing or multiplying.
Generally speaking, there are one (1) kilometer in one thousand (1,000) meters. This ultimately implies that, a proportion or ratio for the conversion of kilometer to meters would be written as follows;
Conversion:
1 kilometer = 1,000 meters
2 kilometer = 2,000 meters
3 kilometer = 3,000 meters
4 kilometer = 4,000 meters
5 kilometer = 5,000 meters
6 kilometer = 6,000 meters
7 kilometer = 7,000 meters
8 kilometer = 8,000 meters
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Missing information:
The question is incomplete and the complete question is shown in the attached picture.
Describe how to solve 3-7n=27
Answer:
n = -24/7
Step-by-step explanation:
3 -7n = 27
-7n = 24 Subtract 3 from both sides
n = -24/7 Divided by -7 both sides
So, the answer is n = -24/7
Answer:
Below
Step-by-step explanation:
Subtract 3 from both sides of the equation THEN divide both sides of the equation by - 7
A barrel of crude oil has a volume of 42 gallons, only approximately 45% of which is processed into gasoline. If your car achieves 31 mi/gal, and you drive 36,000 miles in one year, how many barrels of crude oil are required to run your car for a year?
The number of barrels of crude oil required to run the car for a year is 61.4
The information given is as follows;
Percentage of crude oil processed into gasoline = 45%
The distance achieved per gallon by car = 31 mi/gal
Distance driven per year = 36,000 miles
Hence, the number of Gasoline usage in one year,
\(\text{Gasoline usage in one year} = \dfrac{\text{Distance drievn per year}}{\text{distance achieve per gallon by car}}\)
\(\text{Gasoline usage in one year} = \dfrac{36000 \ \text{miles}}{31\ \text{miles/gallon}}\)
\(\text{Gasoline usage in one year} = 1,161 \ \text{gallons}\)
Here, Percentage of crude oil processed into gasoline = 45%
Hence, where 45% of the crude oil produces 1000, the volume of crude, x, from which the gasoline is sourced becomes;
\(x \times 45\% = 1161\)
\(x \times \dfrac{45}{100} = 1161\)
\(45x = 1161\times 100\)
\(45x = 1,16,100\)
\(x = 2580\) gallons of crude
Since 1 barrel of crude oil is approximately 42 gallons of crude oil.
Hence, we have;
\(2580 \ \text{gallons of crude }\) = \(\dfrac{2580}{42} \text{ barrels of crude}\)
= \(61.4\) \(\text{ barrels of crude}\)
Hence the number of barrels of crude oil required to run the car for a year = \(61.4\) \(\text{ barrels of crude}\)
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Approximately 61.44 barrels of crude oil are required to run your car for a year.
To determine the number of barrels of crude oil required to run your car for a year, we'll need to calculate the total amount of gasoline consumed and then convert that into the equivalent volume of crude oil.
Volume of a barrel of crude oil: 42 gallons
Approximately 45% of crude oil is processed into gasoline
Car fuel efficiency: 31 miles per gallon
Distance driven in a year: 36,000 miles
First, let's calculate the total amount of gasoline consumed in a year. We'll divide the total distance driven by the car's fuel efficiency:
Gasoline consumed = Distance driven / Fuel efficiency
Gasoline consumed = 36,000 miles / 31 miles per gallon
Gasoline consumed ≈ 1161.29 gallons
Next, we need to calculate the equivalent volume of crude oil required to produce this amount of gasoline. Since only approximately 45% of crude oil is processed into gasoline, we'll multiply the gasoline consumed by the reciprocal of 45% (or 0.45) to account for this conversion:
Equivalent volume of crude oil = Gasoline consumed / Conversion factor
Equivalent volume of crude oil = 1161.29 gallons / 0.45
Equivalent volume of crude oil ≈ 2580.64 gallons
Finally, to determine the number of barrels of crude oil required, we'll divide the equivalent volume of crude oil by the volume of a barrel (42 gallons):
Number of barrels of crude oil = Equivalent volume of crude oil / Volume of a barrel
Number of barrels of crude oil = 2580.64 gallons / 42 gallons
Number of barrels of crude oil ≈ 61.44 barrels
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−1+log 6 (2x+3)−log 6 (2x)=0
Answer:
Step-by-step explanation:
Let us solve the equation for X-
-1+log 6 (2x+3)-log 6 (2x)=0
adding +1 to both sides-
-1+1+log 6(2x+3)-log 6 (2x)=0+1
log 6(2x+3)-log 6 (2x)=1 . . . (1)
using logarithmic rule,
log a - log b= log(a/b)
equation (1) becomes,
log [6(2x+3)/6(2x)]=1 . . .(2)
equation (2) becomes,
log[(2x+3)/2x]=1....(3)
Again using the logarithmic rule,
log a = b
is equivalent to 10∧b = a
hence equation 3 becomes,
10∧1= (2x+3)/2x
i.e. 10 = (2x+3)/2x. . .(4)
multiplying both sides by 2x, considering x is not 0.
equation( 4) becomes
20x = 2x+3. . .(5)
subtracting 2x from both sides
equation (5) becomes,
18x=3
dividing both sides by 3,
we get,
x=6
Hence value of x is 6.
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what is 304.00 in expanded and word form
Answer:
304 = 300 + 00 + 4, expanded form
Word form three hundred four and (double zero)
pls don’t eliminate this question nor give brainliest.
Answer:
304 = 300 + 00 + 4, expanded form
Word form three hundred four and (double zero)
pls don’t eliminate my answer pls give brainliest.
<33
\(cool\) \(bud\)\(!\)
What is the best description of originality?
nonobvious
special or interesting
convergent
having a low probability, unique
Originality is the quality of being unique, new, and innovative. It requires creativity, imagination, inspiration, and nonobviousness. Special or interesting aspects may be present, but they are not sufficient to define originality.
Originality refers to the quality of being unique, new, and innovative. It involves creating something that has not been seen or experienced before. The best description of originality is that it is having a low probability and being unique.
An original idea, product, or work of art is something that has not been copied or imitated from others. It represents a new perspective or approach that can offer a fresh insight into a problem or challenge. Originality requires a high level of creativity, imagination, and inspiration, as well as a willingness to take risks and explore new possibilities.
Nonobviousness is also an important factor in originality. It means that the idea or invention is not something that would be obvious to someone skilled in the same field or industry. In other words, an original idea should not be something that could be easily predicted or anticipated.
Special or interesting are also characteristics of originality, but they are not sufficient to define it. An idea or product can be special or interesting without being truly original. For example, a new flavor of ice cream may be interesting, but it may not be original if it has already been created by someone else.
Convergent thinking, on the other hand, involves finding a single solution to a problem. It is the opposite of divergent thinking, which involves generating multiple ideas and possibilities. Convergent thinking is important for finding effective solutions to problems, but it is not the same as originality.
In conclusion, originality is the quality of being unique, new, and innovative. It requires creativity, imagination, inspiration, and nonobviousness. Special or interesting aspects may be present, but they are not sufficient to define originality.
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List five complex numbers that fall inside the shaded region on this graph but do not lie on the curves forming the boundaries of the region.
When they give us a graph on the Cartesian axis of complex numbers, we have to take into account that the x-axis will be the real ones and the y-axis will be the imaginary ones.
Taking this into account we identify 5 points within the shaded region and they are the following
• 2+i
,• 5-3i
,• -4+3i
,• -4-2i
,• 6-2i
Which expression is equivalent to (3x^4 - 6x^2 + 8x) - (x^4 + 8x^3 - 3x)?
view image!
Answer:
\(2x^{4} -6x^{2} +11x-8x^{3}\)
Step-by-step explanation:
1) Remove parentheses.
\(3x^{4} -6x^{2} +8x-x^{4} -8x^{3} +3x\\\)
2) Collect like terms.
\((3x^{4} -x^{4} )-6x^{2} +(8x+3x)-8x^{3}\)
3) Simplify.
\(2x^{4} -6x^{2} +11x-8x^{3}\)
Answer:
2x^4-8x^3-6x^2+11x
Step-by-step explanation:
im cool, ik.
Adam had1/3 of a pizza
Answer:
yeah anything else...
Step-by-step explanation:
A machine fills boxes weighing Y lb with X lb of salt, where X and Y are normal with mean 100 lb and 5 lb and standard deviation 1 lb and 0.5 lb, respectively. What percent of filled boxes weighing between 104 lb and 106 lb are to be expected?
a. 67%
b. None
c. 37%
d. 57%
Answer:
Option b. None is the correct option.
The Answer is 63%
Step-by-step explanation:
To solve for this question, we would be using the z score formula
The formula for calculating a z-score is given as:
z = (x-μ)/σ,
where
x is the raw score
μ is the population mean
σ is the population standard deviation.
We have boxes X and Y. So we will be combining both boxes
Mean of X = 100 lb
Mean of Y = 5 lb
Total mean = 100 + 5 = 105lb
Standard deviation for X = 1 lb
Standard deviation for Y = 0.5 lb
Remember Variance = Standard deviation ²
Variance for X = 1lb² = 1
Variance for Y = 0.5² = 0.25
Total variance = 1 + 0.25 = 1.25
Total standard deviation = √Total variance
= √1.25
Solving our question, we were asked to find the percent of filled boxes weighing between 104 lb and 106 lb are to be expected. Hence,
For 104lb
z = (x-μ)/σ,
z = 104 - 105 / √25
z = -0.89443
Using z score table ,
P( x = z)
P ( x = 104) = P( z = -0.89443) = 0.18555
For 1061b
z = (x-μ)/σ,
z = 106 - 105 / √25
z = 0.89443
Using z score table ,
P( x = z)
P ( x = 106) = P( z = 0.89443) = 0.81445
P(104 ≤ Z ≤ 106) = 0.81445 - 0.18555
= 0.6289
Converting to percentage, we have :
0.6289 × 100 = 62.89%
Approximately = 63 %
Therefore, the percent of filled boxes weighing between 104 lb and 106 lb that are to be expected is 63%
Since there is no 63% in the option, the correct answer is Option b. None.
The percent of filled boxes weighing between 104 lb and 106 lb is to be expected will be 63%.
What is a normal distribution?It is also called the Gaussian Distribution. It is the most important continuous probability distribution. The curve looks like a bell, so it is also called a bell curve.
The z-score is a numerical measurement used in statistics of the value's relationship to the mean of a group of values, measured in terms of standards from the mean.
A machine fills boxes weighing Y lb with X lb of salt, where X and Y are normal with a mean of 100 lb and 5 lb and standard deviation of 1 lb and 0.5 lb, respectively.
The percent of filled boxes weighing between 104 lb and 106 lb is to be expected will be
Then the Variance will be
\(Var = \sigma ^2\)
Then for X, we have
\(Var (X) = 1^2 = 1\)
Then for Y, we have
\(Var (Y) = 0.5^2 = 0.25\)
Then the total variance will be
\(Total \ Var (X+Y) = 1 + 0.25 = 1.25\)
The total standard deviation will be
\(\sigma _T = \sqrt{Var(X+Y)}\\\\\sigma _T = \sqrt{1.25}\)
For 104 lb, then
\(z = \dfrac{104-105}{\sqrt{25}} = -0.89443\\\\P(x = 104) = 0.18555\)
For 106 lb, then
\(z = \dfrac{106-105}{\sqrt{25}} = 0.89443\\\\P(x = 106) = 0.81445\)
Then
\(P(104 \leq Z \leq 106) = 0.81445 - 0.18555 = 0.6289 \ or \ 62.89\%\)
Approximately, 63%.
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What type of units are used to describe volume?
Answer:
The most basic common unit is Liters (L), but people also commonly use milliliters (mL) and cubic centimeter (cm^3).
In a random sample of 300 attendees of a minor league baseball game, 182 said that they bought food from the concession stand. Create a 90% confidence interval for the proportion of fans who bought food from the concession stand. Use a TI-83, TI-83 plus, or TI-84 calculator, rounding your answers to three decimal places.
Answer:
90% confidence interval for the proportion of fans who bought food from the concession stand
(0.5603,0.6529)
Step-by-step explanation:
Step(i):-
Given sample size 'n' =300
Given data random sample of 300 attendees of a minor league baseball game, 182 said that they bought food from the concession stand.
Given sample proportion
\(p^{-} = \frac{x}{n} = \frac{182}{300} =0.606\)
level of significance = 90% or 0.10
Z₀.₁₀ = 1.645
90% confidence interval for the proportion is determined by
\((p^{-} - Z_{0.10}\sqrt{\frac{p(1-p)}{n} } , p^{-} +Z_{0.10}\sqrt{\frac{p(1-p)}{n} })\)
\((0.6066 - 1.645\sqrt{\frac{0.6066(1-0.6066)}{300} } ,0.6066+1.645\sqrt{\frac{0.6066(1-0.6066)}{300} })\)
(0.6066 - 0.0463 ,0.6066 + 0.0463)
(0.5603,0.6529)
final answer:-
90% confidence interval for the proportion of fans who bought food from the concession stand
(0.5603,0.6529)
fv=100000, pmt=4000, i/y=5%, n=10, what is pv?
The Present value is $6,139.132.
We have,
FV=100000, pmt = 4000, I =5%, n=10
So, The present value formula is
PV=FV / (1 + \(i)^n\)
So, PV = 100, 000 / (1+ 5/100\()^{10\\\)
PV = 100,000 / (1+ 0.05\()^{10\\\)
PV = 100, 000/ (1.05\()^{10\\\)
PV = 100,000 / 1.6288946
PV= $6,139.132
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this model shiw one way to find the product of 489 x3
Answer:
1467 because if you multiply it carefully it will be correct
Which could be the missing first term
What is the orders pair that is a solution to this equation, y=x+2
Answer: These are possible solutions:
(0,2) (1,3) (2,4)
Hope this helps..:)
Which point is a solution to the system of inequalities graphed here? y -5 x + 4 A. (1,6) B. (-6,0) C. (0,5) D. (5,0)
Answer:
D
Step-by-step explanation:
this is the only one inside the overlapping inequalitlies