MATHEMATICS COLLEGE

What is r in the problem d=2r

Answers

Answer 1
Answer:

Answer:

radius

Step-by-step explanation:
Answer 2
Answer:

Answer:

I'm not sure what you mean by "make the subject."

I can only guess that you'd like to solve this equation for r, which might be what you're looking for.

By "solve this equation for r," what I mean is to rewrite it in the form "r = [some expression]."

This is also known as "isolating."  By performing operations on both sides of the equation the task is achieved.

Step-by-step explanation:

In your example we could begin by dividing both sides by 2, as demonstrated below.

d = 2r

d / 2 = (2r) / 2

d / 2 = r or reversing the equality

r = d / 2.

That didn't require many operations, but the idea is the same for more complicated equations.

Hope this helps.

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Solve the system by using elementary row operations on the equations. Follow the systematic elimination procedure. x1 + 2 x 2 = -24
x1 + 7 x 2 = -11
Find the solution to the system of equations.

Answers

Answer:

Step-by-step explanation:

The given equation is expressed as

x1 + 2x2 = -24- - - - - - - - --1

x1 + 7x2 = -11- - - - - - - --2

We would eliminate x1 by subtracting equation 2 from equation 1. It becomes

- 5x2 = - 13

Dividing both sides of the equation by - 5, it becomes

- 5x2/- 5 = - 13/- 5

x2 = 13/5

Substituting x2 = 13/5 into equation 2, it becomes

x1 + 7 × 13/5 = -11

x1 + 91/5 = - 11

x1 = - 11 - 91/5

x1 = - 146/5

PLEASE ANSWER ASAP 100 POINTS!! WILL MARK BRAINLIEST!!! The kids in the neighborhood often play a variation of the game hopscotch. In one section of the park, there are triangles and rectangles painted on the ground. What is the height, h, of one blue triangle if the area of the triangle is 90 square inches? 5 in. 10 in. 20 in. 72 in.

Answers

Answer:

10 inches

Step-by-step explanation:

I just took this quiz and this is the correct answer
the answer is 10 inches

HELP ASAPPPPP!!!!!!!

Answers

Answer:

A.

Step-by-step explanation:

The double bar around any number means absolute value. Absolute value makes any number positive.

So,

9.3 = 9.3

|-2.1| = 2.1

-13.7 = -13.7

-4.2

Negatives are always the smallest:

-13.7, -4.2, |-2.1| or 2.1, 9.3

Therefore, A is the correct answer.

Question 6/6What is the 100th term of the sequence with the following explicit rule: f(n) = 9n-1
А. 900
ОО
B. 899

Answers

Answer: 899

Explanation:

Replace n with 100 and simplify

f(n) = 9n-1

f(100) = 9(100)-1

f(100) = 900-1

f(100) = 899

The 100th term is 899
899

9(100)-1

900-1

899

Brainliest?

Monticello residents were surveyed concerning their preferences for candidates Moore and Allen in anupcoming election. Of the 800 respondents, 300 support neither Moore nor Allen, 100 support both Moore and
Allen, and 250 support only Moore. How many residents support Moore or Allen?

Answers

you just subtract 300 from 800 to get 500 people

Outliers existing in a data set will have the greatest impact on __________. A. the mean B. the median C. the mode D. the middle

Answers

Mean, the further the outlier the greater the mean (average)
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