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lisov135 [29]
3 years ago
12

If you know the diameter of a circle, which statement describes how to find the AREA?

Mathematics
2 answers:
pentagon [3]3 years ago
6 0

Answer:

c

Step-by-step explanation:

PI times radius squared

Agata [3.3K]3 years ago
4 0

Answer: d

Step-by-step explanation: The formula for area of a cicle is a=pi(r^2). I like to remember circumference and area by the sentence cherry pies are delicious, apple pies are too. (c[herry]=pi*d, a[pple]=pi(r^2)

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I need help on all of em
USPshnik [31]
They're all similar. Problem one you need to think how can I eliminate one of the variables to solve for the other one. Think muliplication in your head when doing this but as same time look for a way to subtract the variable you are eliminatiing should equal 0 then you solve the varialbe by itself. After you find one variables solution you need to substitute that solution into the variables place from one of the two original equations. I would think multiplying the -2y by 3 and 3y by 2. Notice one has a negative and other is positive so when I add the two equations I'll get 0y. However do not forget to multiply both equations by the multiplied number you used to each term in the equation. you should get 35x = 35 then x=1. Now you need to find y by substituting the 1 for either x-value in the two equations such as 4(1) + 3y = -5 now just solve for y and you get y = -3. your answer should be (1, -3). Notice you can always check and verify your right by substituting your values found into both solutions to get 15 = 15 and -5 = -5.
7 0
3 years ago
Will mark as brainliest if correct
wel

Answer:

t= 67

Step-by-step explanation:

because you combine the terms and add it together

8 0
3 years ago
if i had 2 cookies and one of my friends asked for 1, then another friend asked for 1, then another friend asked for one. what d
hodyreva [135]
You take the cookies the cookies back from them and tell them to get their own
7 0
3 years ago
Read 2 more answers
What is the factored form x^3 - 1 ?
amid [387]

Answer: x^3 - 1 = (x - 1)(x^2 + x + 1)

Explanation:

This is a type of factorizing called the sum or difference of 2 cubes:

a^3 - b^3 = (a - b)(a^2 + ab + b^2)

The sum of the cubes is factored as:

a^3 + b^3 = (a + b)(a^2 - ab + b^2)

In this case, we have: x^3 - 1 so follow the rule above.

x^3 - 1 = (x - 1)(x^2 + x + 1)

7 0
3 years ago
What is the remainder
prisoha [69]
The answer is 7, hope this helps!! just plug in 2 for the x and type the answer in :)
4 0
2 years ago
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