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3 years ago

Please help! Will give Brainliest!!!!!!!!!!!!

Mathematics

1 answer:

Ahat [919]3 years ago

3 0

Answer:

for the first answer the second option is correct and 8 will go in the box and for the second question the second option is correct and 40 will go in the box.

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Simplify 3/8 and 9/64 PLEASE HELP

Andrew [12]

Answer:

3/8 simplified is still 3/8 (0.375 in decimal form)

9/64 simplified is also still 9/64 (0.140625 in decimal form)

Step-by-step explanation:

5 0

3 years ago

The sum of two rational numbers is______

Andrews [41]

Answer:

Another rational number

7 0

3 years ago

Read 2 more answers

A rectangle with sides 12 cm and 14 cm has the same diagonal as a square.

umka2103 [35]

Answer:

$a=\sqrt{170}$

Step-by-step explanation:

Diagonal of a Square

Given a square of length side a, the length of the diagonal is

$D=\sqrt{2}a$

The diagonal of a rectangle of sides x and y is

$D=\sqrt{x^2+y^2}$

The sides have lengths 12 cm and 14 cm, the diagonal is

$D=\sqrt{12^2+14^2}$

$D=\sqrt{340}$

Since this value is the same of the diagonal of certain square, we can say

$\sqrt{2}a=\sqrt{340}$

Dividing by $\sqrt{2}$

$\boxed{a=\sqrt{170}}$

6 0

3 years ago

7. Evaluate f(x) = -2x - 5 for x = 3. A. 1 B. 11 C. –6 D. –11

Yuliya22 [10]

I think the answer is d. -11

Explanation:

Replace the variable x with 3 in the expression.
f(3)=-2•3-5

Multiply -2 by 3
f(3)=-6 -5

Subtract 5 from -6
f(3)= -11

Then the answer should be -11.

4 0

3 years ago

Simplify 24÷⌈32÷(8−5)⌉−(−6)

Flauer [41]

Decimal form is 8.25 mixed fraction is 81/4

3 0

3 years ago