2 years ago

Help Me To Find The Answer To The Question

Mathematics

1 answer:

Alexus [3.1K]2 years ago

3 0

Wish i could help bud

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Evaluate the expression 5(7 − 4)2 ÷ 3 + 11. (5 point)

ch4aika [34]

Remember PEMDAS.
Parentheses first, which is 3. So then that is 5 times 3 times 2 divided by 3 +11
Simplify, 15 times 2 divide 3 +11
30divide 3 +11
10+11
answer is 21

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3 years ago

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If Greg ate 5/7 of a cake and bob ate 3/9 how much is left

laiz [17]

2 + 6 = 8. 2 is left. 6 is left.

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The center on a target has a diameter of 5 inches. The whole target has a diameter of 25 inches. The center of the target takes

Komok [63]

4%

To find the percentage, first find the area of both circles. The area formula is $\pi r^{2}$ . After finding the area of the center of the target (19.625) and the area of the large target (490.625), set up a percent proportion to determine the percentage that the center takes up:

$\frac{is}{of} = \frac{percent}{100}$

$\frac{19.625}{490.625} = \frac{percent}{100}$

Cross multiplying and dividing by 490.625 will give a total of 4%.

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3 years ago

Ms. Ramos buys a rare painting for m dollars. She sells it for 5 times the amount she paid for it, or 5m. Her profit is

kotegsom [21]

I’m pretty sure the answer is 4m/2

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If a sphere’s radius is quadrupled, what is the corresponding change in the volume?

vovangra [49]

The volume is proportional to the cube of the radius:
4^3=64
The volume will be 64 times the original value!

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2 years ago