Answer:
2 or 2 x 10⁰
Step-by-step explanation:
Answer:
20 times further
Step-by-step explanation:
Neptune is about 2,700,000,000 miles from Earth.
Mercury is about 135,000,000 miles from Earth.
Write in scientific notation to help solve. A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10. The power is the number of decimal places you move.
2,700,000,000 = 2.7 x \(10^{9}\)
135,000,000 = 1.35 x \(10^{8}\)
2)
\(\frac{Neptune}{Mercury} = \frac{2.7 * 10^{9} }{1.35*10^{8} }\)
You can see there is only one extra 0 on top, the rest will cancel so you're left with:
\(\frac{27}{1.35} = 20\)
It's 20x farther to Neptune from Earth, than it is to Mercury from Earth.
A seven-person relay team completed a race in 84.7 seconds. On average, what was each runner's time?
Answer:
12.1 seconds
Step-by-step explanation:
84.7/7 = 12.1
Answer:
12.1
Step-by-step explanation:
Divide the 84.7 by the # of people on team (7)
Circle A has been transformed to Circle B.
What is the scale factor of Circle A to Circle B?
Scale Factor
=
Image Radius
Pre- Image Radius
Answer: 21
Step-by-step explanation: im not guessing im a certified expert at calculus and have a masters degree in mathmatics so yeah
Answer:
21
Step-by-step explanation:
I did the test
Hope this helps :)
PLEASE HELP ASAP!!! (No links)
Is (8,3) a solution of y> 3x - 4?
A. Yes, (8,3) is a solution of
y > 3x - 4.
B. No, (8,3) is not a solution of
y > 3x - 4.
Answer:
No it is not a solution
Step-by-step explanation:
To solve this, you should replace your (x,y) with (8,3)- 8 being your x value and 3 being your y value.
So this inequality, your y value is supposed to be bigger than the value of whatever 3x-4 equals.
So, your inequality should be 3>3(8)-4
3*8=24-4=20
So is 3>(greater than)20? No. Which then means that (8,3) is not a solution because it would make the inequality not true.
Hope this helps!
Find the equation of the line passing through the point (18, -5) and slope -8.y + 8x = 139y - 8x = 49y + 2x = -132y + 12x = 24
Given: The point and the slope below
\(\begin{gathered} Point:(18,-5) \\ slope=-8 \end{gathered}\)To Determine: The equation o fthe line passing through the given point and slope
Solution
The formula for finding the equation of a line passing through a point and slope is
\(\begin{gathered} Point:(x_1,y_1) \\ Slope=m \\ \frac{y-y_1}{x-x_1}=m \end{gathered}\)Substitute the given into the formula
\(\begin{gathered} \frac{y--5}{x-18}=-8 \\ \frac{y+5}{x-18}=-8 \end{gathered}\)\(\begin{gathered} y+5=-8(x-18) \\ y+5=-8x+144 \\ y+8x=144-5 \\ y+8x=139 \end{gathered}\)Hence, the equation of the line passing through the given point and slope is
y + 8x = 139
a farmer has two types of milk, one that is 28% butterfat and another that is 16% butterfat. how many gallons of each should be combined to create a 60-gallon mixture that is 22.5% butterfat?
30 gallons of 28% butterfat and 30 gallons of 16% butterfat should be combined to create a 60-gallon mixture that is 22 % butterfat.
Let x gallon of 28% butterfat mixed with the y gallon of 16% butterfat to obtain 60 gallons of 22.5% butterfat,
⇒ x + y = 60 ⇒ x = 60 - y ----(1),
Quantity of butterfat in x gallon + quantity of butterfat in y gallon = total quantity of butterfat,
⇒ 28% of x + 16% of y = 22% of 60
⇒ 0.28x + 0.16y = 0.22 × 60
⇒ 0.28x + 0.16y = 13.2
⇒ 28x + 16y = 1320
⇒ 14x + 8y = 660
From equation (1),
14(60-y) + 8y = 660
840 - 14y + 8y = 660
6y = 180
y = 30
Again from equation (1),
x = 60 - y
= 60 - 30
= 30
Hence, 30 gallons of 28% butterfat and 30 gallons of 16% butterfat are combined to create a 60-gallon mixture that is 22%
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No Links/Incorrect Answers = Report
First to get the question correct get's brainliest.
I calculated this myself, and I got the answer 3/4, but I'm trash at explaining long problems. So here is what I found to help explain it. It's not a link.
"If (p, r) lies on the line y = x + b, then
r = p + b…. (1)
If (2p, 5r) lies on the line y = 2x + b, then
5r = 2(2p) + b
or 5r = 4p + b…. (2)
Subtracting equation (1) from (2), we get
5r - r = 4p + b - p - b
4r = 3p or r/p = 3/4"
Since I don't believe in plagiarism here's the person who is a life saver at explaining things.
(Mohammad Faizan)
PS. I really did try to explain it myself, only to give myself a headache, so please don't be mad and report me. I only wanted to help.
Answer:
a
Step-by-step explanation:
16) In the given picture, line / is parallel to line m. if m<1 = 35°
(A) Find m<3
(B) Find m<7
(C) Find m<8
(D) Find m<5
Answer:
∠ 3 = 35° , ∠ 7 = 145° , ∠ 8 = 35° , ∠ 5 = 145°
Step-by-step explanation:
∠ 3 and ∠ 1 are vertically opposite angles and are congruent , then
∠ 3 = 35°
-----------------
∠ 3 and ∠ 5 are same- side interior angles and sum to 180°, that is
∠ 5 + ∠ 3 = 180°
∠ 5 + 35° = 180° ( subtract 35° from both sides )
∠ 5 = 145°
------------------
∠ 5 and ∠ 7 are vertically opposite angles and are congruent , then
∠ 7 = 145°
--------------
∠ 1 and ∠ 8 are corresponding angles and are congruent , then
∠ 8 = 35°
---------------
Solve the equation for y 10x - 5y = 15
Multiple Choice Find AD and ED for parallelogram ABCD.
A) AD = 13
B) ED = 13
C) ED=9
D) ED = 16
E) AD = 9
F) AD = 16
Answer: A, C
Step-by-step explanation:
Diagonals of a parallelogram bisect each other, so \(4x-7=2x+1 \longrightarrow x=4\). So \(ED=4(4)-7=\boxed{9}\).
Opposite sides of a parallelogram are congruent, so \(8y-3=3y+7 \longrightarrow y=2\), so \(AD=8(2)-3=\boxed{13}\)
3 1/4 divided by 1 1/4 =
Answer:
2.6, 2 3/5, 2 6/10
Step-by-step explanation:
2.6 as a fraction is 2 3/5. When you read the decimal 2.6, it is read as ''2 and 6 tenths. '' This can also be written as a mixed number of 2 6/10.
a. What is the area and circumference of circle P? Explain how you calculated this answer. b. If the arc measure of arc COD is 100 degrees and the arc measure of arc BSA is 60 degrees, what is the angle measure of angle CRB ? Explain how you calculated this answer.
Answer:
a) 9*π or approx 28.26
b) ∡CRB=100°
Step-by-step explanation:
As known for secants crossing each other inside the circle is coorect the following:
BR*RD=AR*RC
=> 3*RD=4*4.5
RD=6
The diameter of the circle with center P is BD=BR+RD=3+6=9
So the radius of the circle is D/2=9/2=4.5
As known the circumference of any circle can be calculated as
C=2*π*r , where r is the circle's radius
So C=2*4.5*π=9*π= approx 3.14*9=28.26
b) ∡CRB=∡ARD= (arcBC+arcAD), where arcBC and arcAD smaller arcs
BD is the circle's diameter, so arc BD=180°
So arcBC=180°-arcCOD=180°-100°=80°
Similarly arcBD=180°
arcAD=180°-arcBSA=180°-60°=120°
∡CRB= (80°+120°)/2=100°
I don't get this part can somebody help pls?
Answer:
the ground level is -2
Step-by-step explanation:
hope this helps
A triangular prism has a base area of 12 square centimeters, and a height of 15 centimeters. What is the volume?
The average age of doctors in a certain hospital is 42.0 years old with a standard deviation of 10.0 years. If 16 doctors are chosen at random for a committee, find the probability that the mean age of those doctors is less than 43.50 years. Assume that the variable is normally distributed. Group of answer choices
There is a 65.54% probability that the average age of those doctors is under 48.8 years.
What is probability?Science uses a figure called the probability of occurrence to quantify how likely an event is to occur.
It is written as a number between 0 and 1, or between 0% and 100% when represented as a percentage.
The possibility of an event occurring increases as it gets higher.
True mean = mean (or average)+/- Z*SD/sqrt (sample population)
Then,
Mean (average) = 48.0 years
The true mean must be less than 48.8 years.
SD = 6.0 years, and
Sample size (n) = 9 doctors
Using Z as the formula's subject:
Z= (True mean - mean)/(SD/sqrt (n))
Inserting values:
Z=(48.8-48.0)/(6.0/sqrt (9)) = 0.4
From the table of normal distribution probabilities:
At Z= 0.4, P(x<0.4) = 0.6554 0r 65.54%
Therefore, there is a 65.54% probability that the average age of those doctors is under 48.8 years.
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Complete question:
The average age of doctors in a certain hospital is 48.0 years old. suppose the distribution of ages is normal and has a standard deviation of 6.0 years. if 9 doctors are chosen at random for a committee, find the probability that the average age of those doctors is less than 48.8 years. assume that the variable is normally distributed.
find the future value of an annuity due of $200 each quarter for 2 1 2 years at 13%, compounded quarterly. (round your answer to the nearest cent.) $
The Future value of an annuity due of $200 each quarter for 2 1 2 years at 13%, compounded quarterly is $10263.734 ..
The future value of an annuity is the value of a group of regular payments at some point in the future. It assumes a particular rate of return, or discount rate. The higher the discount rate, the greater the annuity's future value.
P = PMT× ((1+r)ⁿ −1)/r
where:
P---> Future value of an annuity stream
PMT---->Dollar amount of each annuity payment
r -->Interest rate (also known as discount rate)
n--->Number of periods in which payments will be
We have given that
Present value for an Annuity = $200
compounded rate , r = 13%
but compounded quarterly, then, r = 13%/4
= 0.13/4 = 0.325
Number of years , n = 2 + 1/2 = 5/2
then change into quarterly, n = 5/2 × 4 = 10
Future value formula ,
F.V = PMT ( (1+i)ⁿ - 1)/r
=> Future value = 200((1+0.325)^10/0.325)
=> F.V = 10263.734
Hence, the future value of an annuity is $10263.734..
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Simplify the expression -3÷(-2/5). A. -7 1/2 B. -1 1/5 C. 1 1/5 D. 71/2
Answer: The answer is D: 7 1/2.
Step-by-step explanation:
what is the sum of 6 and x
Answer:
6x? 6+x
Step-by-step explanation:
im not that sure but hope this helps
Please Help!!Which is the set of whole numbers between ten and fifteen? Responses A. {12, 14} B. all real numbers C. {11, 12, 13, 14} D. null set
The average of any two consecutive even numbers in an even number. Find a counterexample.
Answer:
2 and 4
Step-by-step explanation:
2+4 = 6
6/2 = 3
average is sum of number divided by how many numbers there are.
A counterexample to the above rule of the average of two consecutive even numbers being even are 8 and 10.
A counterexample is one that disproves a logic.
The consecutive even numbers of 8 and 10 will give an average of:
= Sum of even numbers / 2
= (8 + 10) / 2
= 18 / 2
= 9
9 is not an even number so we can conclude that 8 and 10 are counterexamples to the above rule.
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If mCO = 86, mZH = 86, and CO = 9ft what is ZH?
9 ft
86 ft
18 ft
81 ft
Answer:
9 ft
Step-by-step explanation:
CO and ZH are both 86°, and the dashes in the lines indicate congruence. Since CO is 9ft, ZH must also be 9ft.
Also, I took the test.
What is the probability of NOT selecting a 5 out of a deck of cards
The probability of not drawing a 5 from the deck is 48/52.
What is probability?
Simply put, probability measures how probable something is to occur. We can discuss the probabilities of various outcomes, or how likely they are, whenever we are unsure of how an event will turn out. Statistics is the study of events subject to probability.
There are 4 number 5's in the deck of 52 cards.
They are as follows:
The 5 of clubs, the 5 of spades, the 5 of hearts, and the 5 of diamonds.
Using the formula,
Probability = (Number of possible outcomes)/(Total number of outcomes)
The probability of drawing a 5 from the deck is 4/52.
The probability of not drawing a 5 from the deck is 48/52.
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the sum of two numbers is 31. twice the smallernumber is 11 more than the larger number.ehat is the value of the large number?
Answer:
The large number is 17
Step-by-step explanation:
x+y=31⟹x=31−y
2x=y+11⟹x=y+11/2
2(y+11/2)=2(31−y)
y+11=62−2y
3y=51
y=17 x=14
Hope this helps, have a nice day! :)
There are 12 chocolate in a box,3 white,4 milk and the rest dark chocolates.What is the probability that Lily first chooses a dark chocolate from the box
Answer:
5/12
Step-by-step explanation:
Total chocolate=12
White=3
Milk=4
Dark=x
White+milk+dark=3+4+x
=7+x
12=7+x
x=12-7
x=5
Therefore,
Dark=5
Probability that Lily first chooses a dark chocolate from the box= No. Of dark chocolate/Total no. Of chocolate
=5/12
PLEASE HELP WILL GIVE BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
The notation Σ-2 (3η + 5) is incorrect for representing the arithmetic series 8 + 11+ ... + 29.
The correct notation for the arithmetic series 8 + 11 + ... + 29 should be:
Σ_{i=1}^{11} (6i + 2)
The series has 11 terms, and each term can be found by adding 3 to the previous term, starting with the first term 8. Therefore, the general form of the series is 6i + 2, where i represents the index of the term in the series.
In contrast, the notation Σ-2 (3η + 5) appears to have multiple errors. The use of a negative index (-2) is not valid, as the index should start from 1 or 0. Also, the use of the Greek letter eta (η) instead of i as the index variable is unconventional and likely to cause confusion. Finally, the expression inside the parentheses does not appear to correspond to the terms of the arithmetic series.
The correct notation for the arithmetic series 8 + 11 + ... + 29 should be:
Σ_{i=1}^{11} (6i + 2)
To explain the error in the given notation Σ-2 (3η + 5), we can break it down as follows:
The use of a negative index (-2) is incorrect. The index of summation should always be a non-negative integer.
The use of the Greek letter eta (η) instead of i as the index variable is unconventional and may cause confusion or errors.
The expression inside the parentheses, 3η + 5, does not represent the terms of the arithmetic series. In particular, it does not involve the index variable i or the common difference 3.
Therefore, the correct notation for the given arithmetic series is Σ_{i=1}^{11} (6i + 2).
$16,000 is deposited into a savings account with an annual interest rate of 2% compounded continuously. How much will be in the account after 4 years? Round to the nearest cent.
The amount in the account after 4 years, rounded to the nearest cent, will be approximately $17,332.8.
Understanding Compound InterestRecall the compounding formula:
A = P * \(e^{rt}\)
Where:
A = Final amount in the account
P = Initial principal (deposit)
e = Euler's number (approximately 2.71828)
r = Annual interest rate (as a decimal)
t = Time in years
Given:
Initial principal (P) = $16,000
Annual interest rate (r) = 2% = 0.02
time (t) = 4 years.
Substitute these values into the formula, we get:
A = $16,000 * \(e^{0.02 * 4}\)
Using a calculator, we can calculate:
A = $16,000 * \(e^{0.08}\)
A = $16,000 * 1.0833
A = $17,332.8
Therefore, the amount in the account after 4 years, rounded to the nearest cent, will be approximately $17,332.8.
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The range of fiction f(X)=e+1 is
a. R
b. R-{0}
c. (0, infinity)
d. (- infinity,0)
in examination of 300 full marks, a student secured 110 marks and failed by 10 marks. what is the pass percent?
Answer:
36.67 %
Step-by-step explanation:
Pass mark = 110 marks
Total mark = 300 marks
Pass percentage=
\( \frac{pass \: mark}{pass \: percentage} \times 100\)
Substitute values into the equation
\( \frac{110}{300} \times 100\)
Cross cancel common factor: 100
\( \frac{110}{3} = 36 \frac{2}{3} \% \: or \: 36.67 \%\)
Triangle X(1, 6), Y(5, -2), Z(-5, -1) is mapped onto Δ
Δ
XʹYʹZʹ by a dilation with center (1, -2) and a scale factor of 3. Which function represents this dilation?
(x, y) → (1 + 3(x + 1), -2 + 3(y + 2))
(x, y) → (1 + 3(x - 1), -2 + 3(y - 2))
(x, y) → (1 + 3(x - 1), -2 + 3(y + 2))
(x, y) → (x + 3, y - 6)
30 points
On solving the provided question we can say that by herons formula, area of the triangle is, A = 2.828
What is triangle?A triangle is a polygon since it has three sides and three vertices. It is one of the basic geometric shapes. The name given to a triangle containing the vertices A, B, and C is Triangle ABC. A unique plane and triangle in Euclidean geometry are discovered when the three points are not collinear. Three sides and three corners define a triangle as a polygon. The triangle's corners are defined as the locations where the three sides converge. 180 degrees is the result of multiplying three triangle angles.
the provided points are Triangle X(1, 6), Y(5, -2), Z(-5, -1)
by herons formula
A = \(\sqrt{s(s-a)(s-b)(s-c)}\)
s = a+b+c/3
s = 5+2+5+/3 =12/3 = 4
Area of the triangle is, A =
\(\sqrt{4(5-4)(4-2)(5-4)} \\A = \sqrt{4*1*2*1} \\A = \sqrt{8} \\A = 2\sqrt{2}\\ A = 2*1.414\\A = 2.828\)
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Answer:
2.828
Step-by-step explanation:
Sarah has been an exemplary employee! The library has given her a 5% raise in recognition of
her hard work. If Sarah normally has a net salary of $212.50, what will Jessica’s net salary be now?
Remember, you calculated that 15% of Sarahs gross salary is withheld each week.
The correct value of Jessica's new net salary will be $225.
To calculate Jessica's new net salary after a 5% raise, we need to first determine Sarah's gross salary. We know that Sarah's net salary is $212.50, and 15% of her gross salary is withheld each week.
Let's denote Sarah's gross salary as "G." We can set up the following equation:
G - 15% of G = $212.50
Simplifying the equation, we have:
G - 0.15G = $212.50
0.85G = $212.50
G = $212.50 / 0.85
G ≈ $250
Sarah's gross salary is approximately $250.
Now, to find Jessica's new net salary after a 5% raise, we can calculate 5% of Sarah's gross salary and subtract the withheld amount:
Jessica's net salary = Sarah's gross salary + 5% of Sarah's gross salary - 15% of Sarah's gross salary
Jessica's net salary = $250 + 0.05 * $250 - 0.15 * $250
Jessica's net salary = $250 + $12.50 - $37.50
Jessica's net salary = $225
Therefore, Jessica's new net salary will be $225.
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Simplify this expression by combining like terms: j + j + j+ d + d + d + d + d
Answer:
3j+5d
if this was helpful please mark brainliest. Have a great day.
Answer:
3j+5d
lol.............