MATHEMATICS HIGH SCHOOL

A square has a perimeter of 12 cm. What is its area?9 cm 2
18 cm 2
36 cm 2
144 cm 2

Answers

Answer 1
Answer: Hey there, the formula is A=a², and P=4a. Let's solve for a, A=1/16p²=1/16*12²=9cm², Therefore, the answer is 9 cm 2

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Find the value of f(x) = -3x^3 + 2x^2 for f(-1)

Answers

Answer:

Step-by-step explanation:

f(-1) means that wherever you see an x on the right hand side, you give it a value of -1

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

f(-1) = - 3+ 2

f(-1) = - 1

Gerald says that the most common measurements is 14 quarter inches. is he right? why or whynot

Answers

Gerald is not right because the most common unit of measurement is centimeters (cm).

Can you help me with this problem?

Answers

s + g = 350; /*(-3) => -3s - 3g = -1050;

3s + 5g = 1450;

=> 2g = 400 => g = 200 ( general admission tickets);
=> s = 350 - 200 => s = 150 ( student tickets);

Solve x/ x-2 + x+2/ x >2

Answers

(x)/(x - 2) + (x + 2)/(x) \ \textgreater \ 2
(x(x))/(x(x - 2)) + ((x - 2)(x + 2))/(x(x - 2)) \ \textgreater \ 2
(x^(2))/(x(x - 2)) + (x^(2) - 4)/(x(x - 2)) \ \textgreater \ 2
(x^(2) + x^(2) - 4)/(x(x - 2)) \ \textgreater \ 2
(2x^(2) - 4)/(x(x - 2)) \ \textgreater \ 2
2x(x - 2) \ \textgreater \ 2x^(2) - 4
2x^(2) - 4x \ \textgreater \ 2x^(2) - 4
-4x \ \textgreater \ 4
x \ \textgreater \ -1

Find the area of each parallelogram.

Answers

Answer:

30 and 21

Step-by-step explanation:

The cost of 3 kg of apples and 6 kg of oranges is Rs 300. If the cost of 1 kg of oranges is Rs 30, find the cost of 8 kg of apples.​

Answers

Answer:

Cost of 1 = 30

So cost of 8kg apples=8*30

=240

Step-by-step explanation:
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