Pls help ASAP due tonight math
Answer:
The equation of the line is y=1.4x+6.8
Step-by-step explanation:
Given 2 points on the graph, you can find the slope using the equation: \(m=\frac{y2-x2}{y1-x1}\) . The 2 points are (-7, -3) and (-2, 4). X1 is -7, X2 is -2, Y1 is -3, Y2 is 4. The slope would be 1.4 once you plug in the numbers to the equation to finding the slope. Once you find the slope, use one of the points to find the y-intercept along with the slope you found and the y-intercept will be 6.8.
Help help help help he’ll help help
Answer:
Step-by-step explanation:
product of 3 and 2 that is 3x2= 6, +5 = 6+5=11.
3 times the sum of 2 and 5 is 3x (2+5) = 3x 7 = 21.
the second expression is greater.
(3x2) + 5 is less than 3x(2+5)
Recall that with base-ten blocks: 1 long 10 units, 1 flat 10 longs, and 1 block 10 flats. What is the fewest number of multibase blocks that can be used to represent the corresponding numeral in the given base?
a. 20 longs in base seven
b. 10 longs in base three
a. The answer is: The fewest number of multibase blocks required to represent 20 longs in base seven is 2 flats.
b. The answer is: The fewest number of multibase blocks required to represent 10 longs in base three is 3 flats and 1 unit.
a. To represent 20 longs in base seven, we need to find the fewest number of multibase blocks required.
In base seven, we have the following conversions:
1 long = 1 unit
1 flat = 10 units
1 block = 10 flats
To represent 20 longs, we can use 2 flats (each flat representing 10 units) and 0 units since there are no remaining units.
So, the fewest number of multibase blocks required would be 2 flats.
Therefore, the answer is: The fewest number of multibase blocks required to represent 20 longs in base seven is 2 flats.
b. To represent 10 longs in base three, we need to find the fewest number of multibase blocks required.
In base three, we have the following conversions:
1 long = 1 unit
1 flat = 3 units
1 block = 3 flats
To represent 10 longs, we can use 3 flats (each flat representing 3 units) and 1 unit since there is one remaining unit.
So, the fewest number of multibase blocks required would be 3 flats and 1 unit.
Therefore, the answer is: The fewest number of multibase blocks required to represent 10 longs in base three is 3 flats and 1 unit.
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Cahit ve Elifin de aralarında bulunduğu 6 kişi yan yana
sıralanacaktır.
Cahit ve Elif arasında en çok 1 kişi bulunması şartıyla kaç
farklı çekilde sıralanırlar?
A) 418 B) 420 C) 432 D) 572 E) 700
Answer:
A
Step-by-step explanation:
говорить на английском
What is the domain and range?
The domain of the graph is, { x | - 3 ≤ x ≤ 5 }
The range of the graph is, {y | 10 ≤ y ≤ 60 }
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
We have to given that;
The graph is shown in figure.
We know that;
The domain of the graph is shown on x - axis, and range of the graph is shown y - axis by graph.
Hence, Domain of graph is,
⇒ { x | - 3 ≤ x ≤ 5 }
And, Range of graph is,
⇒ {y | 10 ≤ y ≤ 60 }
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Write 4 percent as a reduced fraction and a decimal
Answer:
1/25, 0.04
Step-by-step explanation:
Reduced fraction: 4/100 = 2/50
Decimal: 0.04
Answer:
Fraction:
1/25
Decimal:
0.04
Step-by-step explanation:
Fraction:
4/100 (4%)
100/4 = 25
4/4 = 1
1/25
Decimal:
4/100 (4%) = 0.04
Cual es la distancia que recorrió luis en su bicicleta rodada 20p (2.54) después que las llantas dieran 50 vueltas completas
porfaaa
Luis traveled approximately 31,736.8 inches on his bicycle.
We have,
To find the distance that Luis traveled on his bicycle, we need to calculate the circumference of the tires and then multiply it by the number of complete turns.
Given:
Radius of the tires (r) = 20p (2.54) inches
Number of complete turns (n) = 50
The circumference of a circle can be calculated using the formula:
Circumference = 2πr
Substituting the given radius into the formula, we have:
Circumference = 2π * (20p) inches
Now we can calculate the distance traveled (d):
Distance = Circumference x Number of complete turns
Distance = 2π x (20p) x 50 inches
To simplify the calculation, we can approximate π as 3.14:
Distance ≈ 2 x 3.14 x (20 x 2.54) x 50 inches
Calculating this expression, we find:
Distance ≈ 31736.8 inches
Therefore,
Luis traveled approximately 31,736.8 inches on his bicycle.
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The complete question.
What is the distance that Luis traveled on his bicycle rolled 20p (2.54) after the tires gave 50 complete turns
Priscilla invested 20,000 at rate of 12% over 5 years. Much to her surprise, her investment paid off, and her account grew by an additional $12,000. What is the principal in this scenario?
The principal in this scenario is $ 8000.
What is simple & compound interest?Simple Interest can be defined as the sum paid back for using the borrowed money, over a fixed period of time.
Compound Interest can be defined as when the sum principal amount exceeds the due date for payment along with the rate of interest, for a period of time.
It is Given that:
Priscilla invested 20,000 that means the total amount she invested.
Amount= $ 20,000
Rate of interest=12%
Time= 5 year
Interest= $12,000.
By the formula;
Amount = principal + Interest
Principal = Amount - Interest
Principal= $ 20,000- $12,000
Principal=$ 8000
Hence, the principal in this scenario is $ 8000.
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The difference of two numbers is 15. Five times the smaller number is the same as 9 less than twice the larger number. Find the numbers.
Answer:
Step-by-step explanation:
"The difference of two numbers is 15."
x-y = 15
x>y
"Five times the smaller number is the same as 9 less than twice the larger number."
5y = 2x-9
y = x-15
substitution
5(x-15) = 2x-9
5x-75 = 2x-9
3x = 66
x = 22
y = x-15 = 7
A junior high athletic club is making blankets and plans to sell them as a fundraiser.They are able to make 10 blankets and want to sell them for $35 each.The total amount raised can be represented by y = 35x. A: Is this function discrete or continuous?B: Determine the domain.C: Determine the range.
Functions can either be discrete or continuous.
The function is discreteThe domain and the range are \(\mathbf{[0,\infty)}\).The function is given as:
\(\mathbf{y = 35x}\)
Where x represents the number of blankets
x can only take whole numbers (i.e 0, 1, 2....)
A discrete function is such that can only non-decimal values.
Hence, the function is discrete
(b) The domain
In (a), we listed the values of x to be: (0,1,2...)
This means that, the domain is: \(\mathbf{[0,\infty)}\)
(c) The range
When x = 0, we have:
\(\mathbf{y = 35x}\)
\(\mathbf{y = 35 \times 0 = 0}\)
This means that, the range is: \(\mathbf{[0,\infty)}\)
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Which is greater: 25% of 15 or 15% of 25? Explain your reasoning using mathematical evidence or visual models
Answer:
15% of 25
Step-by-step explanation:
Given the following questions:
25% of 15
15% of 25
We find the answer by using the formula to calculate percentage for both questions.
Question one:
\(\frac{p\times n}{100}\)
\(\frac{25\times15}{100} =25\times15=375\div100=3.75\)
\(=3.75\)
25% of 15 is 3.75
Question two:
\(\frac{p\times n}{100}\)
\(\frac{15\times 25}{100}=15\times25=375\div100=3.75\)
\(=3.75\)
15% of 25 is 3.75
Finally:
\(3.75=3.75\)
\(15-3.75=11.25\)
\(25-3.75=21.25\)
\(11.25 < 21.25\)
Which means 15% of 25 is "greater than" 25% of 15.
Hope this helps.
If the Owner of a restaurant bought 75 kilograms of rice and each week the restaurant uses 4.5 kilograms of rice how much rice will be left after 6 weeks
After 6 weeks there will be 58 kg rice be left.
What is mean by Subtraction?Subtraction in mathematics means that is taking something away from a group or number of objects. When you subtract, what is left in the group becomes less.
Given that;
The Owner of a restaurant bought 75 kilograms of rice.
And, Each week the restaurant uses 4.5 kilograms of rice.
Now,
After 6 weeks used rice is,
⇒ 4.5 × 6 kg
⇒ 27 kg
Hence, After 6 weeks there will be rice be left is,
⇒ 75 - 27 kg
⇒ 58 kg
Thus, After 6 weeks there will be 58 kg rice be left.
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This may be hard to put together, but I need help with an angle equation. I'm looking for example equations and how to do these types of equations. *please note that this equation is completely random and probably ends with an ugly number. it's just an example of a type of problem*
Example: (2x - 4) x=7 so (2x (x=7) - 4) =18
find the value of x and the measure of angle axc
Answer:
x = 4
m<AXC = 150
Step-by-step explanation:
m<1 + m<2 = m<AXC
102 + 10x + 8 = 6(6x + 1)
10x + 110 = 36x + 6
26x = 104
x = 4
m<AXC = 6(6x + 1)
m<AXC = 6(24 + 1)
m<AXC = 150
The Jurassic Zoo charges $7 for each adult admission and $5 for each child. The total bill for the 200 people from a school trip was $1124. How many adults and how many children went to the zoo?
Answer:
There were 29 adult admissions; and 72 child's.
Find the slope of a ramp with a height-to-distance ratio of 1 to 12 feet.
The slope of a ramp with a height-to-distance ratio of 1 to 12 feet is 4.76 degrees.
What is the slope of a line?The slope or gradient of a line in mathematics is a number that describes both the direction and the steepness of the line. The tangent relation or the height-to-distance ratio helps to determine the slope of the line.
It is given that the height-to-distance ratio of a slope is given as 1 to 12 feet.
So,
\(\tan \alpha = 1/12\\\alpha= \tan^{-1}1/12\\\alpha= 4.76^\circ\)
So, the slope of the ramp is about 4.76 degrees.
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Rocket flight. Assume that if a model rocket is fired directly
upward (with a certain velocity), its distance above the ground
at time t is given by the equation d
=100t - 16t2.
a. Graph this equation.
b. Are there any values for t that it would not make sense to
use for this equation because of the physical characteristics
of a rocket?
c. Find the time at which the rocket reaches its highest point.
d. Find the time at which the rocket returns to the ground.
SHOW ALL WORK
There are t values that do not make sense
It reaches the highest point in 3.125 secondsIt returns to the ground in 6.25 secondsThe graph of the functionThe graph of the function d =100t - 16t² is added as an attachment
From the graph:
The values of t that do not makes sense are values less than 0 (because time cannot be negative) and values above 6.25 because cannot enter the ground
From the graph:
The time to reach the highest point is 3.125 seconds
And the time to return to the ground is 6.25 seconds
These points are well labelled on the graph
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Fraction - 7/3 x 5/21
Answer:
your answer is -5/9
Step-by-step explanation:
Answer:
given that -7/3×5/21
=-7×5/3×21
=-35/63( divided by 7)
=-5/9
i hope this will help you
SOMEONE HELP ME PLEASE!! 100 POINTS FOR ANSWER!!
I took a screenshot of my problem.
Answer:
B it originally cost 12000
Step-by-step explanation:
the depriciation factor is 0.75^t and the original value was 12000
Answer:
(2) The motorcycle cost $12,000 when purchased.
Step-by-step explanation:
\(V(t)=12000(0.75)^t\)
\(V(0)=12000(0.75)^0=12000\)
\(V(1)=12000(0.75)^1=9000\)
\(V(2)=12000(0.75)^2=6750\)
etc.
⇒ Initial cost = $12,000
⇒ The motorcycle's value is decreasing by 25% each year.
Plzzz help meeee I am timeddddd!!
Answer:
9.75 is the answer rounded to 10.
10 is the final answer
Hope it helps!!!
Say if my answer is correct....
Which ratio is equivalent to 17:1?
Ο Α.
A. 17
17
0 B. 34 to 2
O C. 1 through 17
D. 1 to 1
Use the hundredth grids to answer the question.
Which equation is shown by the model?
See picture below
Based on the information we can infer that the equation shown in the image is 1.23 - 0.35 = 0.88 (option B).
How to identify the correct equation?To identify the correct equation we must look at the graph and identify the information it provides. In this case we have two squares divided into 100 squares each. Additionally, the square on the left has 88 squares painted in red and 12 squares with an X inside. In the case of the square on the right, it has 23 squares colored in red with an X inside.
In total we have 123 squares painted in red, which in decimal number is equivalent to 1.23. On the other hand, the number of squares painted red and with an X inside is 35, this value would be 0.35.
On the other hand, the squares painted only in red are 88, so the equivalent in decimal numbers would be 0.88. Therefore, the correct way to express this relationship through an equation would be:
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how do u solve 5/2x-7=3/4x+14
Answer:
x=12
Hope this help :)
A chef used 0.65 cups of baking soda in a recipe. Which fraction is equivalent to this amount of baking soda in cups?
Find the sum of squares of the deviations from the mean of a series of ACT scores listed below. 17, 27, 16, 26, 14
Statistics
We have the following dataset:
x={17,27,16,26,14}
First, we calculate the mean value:
\(x=\frac{17+27+16+26+14}{5}=\frac{100}{5}=20\)Now we find the deviations from the mean:
17-20 = -3
27-20= 7
16-20 = -4
26-20= 6
14-20 = -6
Now we find the squares of each deviation and sum all of them:
\(\begin{gathered} S=(-3)^2+7^2+(-4)^2+6^2+(-6)^2 \\ S=9+49+16+36+36=146 \end{gathered}\)Triangle ABC with vertices at A(4, 3), B(3, −2), C(−3, 1) is dilated using a scale factor of 1.5 to create triangle A′B′C′. Determine the vertex of point A′.
The vertex of point A' in the dilated triangle A'B'C' is (6, 4.5).
1. Start by calculating the distance between the vertices of the original triangle ABC:
- Distance between A(4, 3) and B(3, -2):
Δx = 3 - 4 = -1
Δy = -2 - 3 = -5
Distance = √((-\(1)^2\) + (-\(5)^2\)) = √26
- Distance between B(3, -2) and C(-3, 1):
Δx = -3 - 3 = -6
Δy = 1 - (-2) = 3
Distance = √((-6)² + 3²) = √45 = 3√5
- Distance between C(-3, 1) and A(4, 3):
Δx = 4 - (-3) = 7
Δy = 3 - 1 = 2
Distance = √(7² + 2²) = √53
2. Apply the scale factor of 1.5 to the distances calculated above:
- Distance between A' and B' = 1.5 * √26
- Distance between B' and C' = 1.5 * 3√5
- Distance between C' and A' = 1.5 * √53
3. Determine the coordinates of A' by using the distance formula and the given coordinates of A(4, 3):
- A' is located Δx units horizontally and Δy units vertically from A.
- Δx = 1.5 * (-1) = -1.5
- Δy = 1.5 * (-5) = -7.5
- Coordinates of A':
x-coordinate: 4 + (-1.5) = 2.5
y-coordinate: 3 + (-7.5) = -4.5
4. Thus, the vertex of point A' in the dilated triangle A'B'C' is (2.5, -4.5).
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A person distributed his property of Rs 1000000 among his three sons and one daughter. Each son got 27% of the property. How much did the daughter get?
\( \mathscr{HELP!!}\)
Answer:
Rs 190000
Step-by-step explanation:
Total property = Rs 1000000
For 1 son= 27% of the property
For 3 sons=27%×3= 81%
For daughter=100%-81%=19%
Now,
For daughter
19% of Rs 1000000
19/100 × Rs 100000
Rs 190000
Hence the daughter will get Rs 190000
The graph of y = f(x) is shown below. Find all values of a where
f(x) = 6
Step-by-step explanation:
where is graph?....can u upload graph pic too?
if two vertical angles are 2x-10 and x+20 find the value of x
Answer:
x=70
Step-by-step explanation:
when added together, verticle angles equal 180 degrees.
2x-10+x+20=180
3x-10+20=180
3x-30=180
3x=210
x=70
Z-scores are useful with regard to inferential statistics primarily because they offer a tool by which to determine whether _____. a. a sample is noticeably different from a population. b. a distribution of scores is standardized. c. a distribution of scores is symmetrically shaped. d. an individual is different from a sample.
Z-scores are useful with regard to inferential statistics primarily because they offer a tool by which to determine whether a sample is noticeably different from a population. The answer is A.
Inferential statistics is a branch of statistics that deals with making predictions, generalizations, or inferences about a population based on a sample of data collected from that population.
Z-scores are a measure of the number of standard deviations away from the mean that a particular score lies. By standardizing a distribution of scores, Z-scores allow us to compare scores from different distributions or from different populations. By determining the Z-score of a particular sample, we can determine whether it is noticeably different from a population based on its distance from the population mean.
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