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Andreyy89
4 years ago
11

This is the difference between the estimated value and the true value hint: first letters co

Mathematics
1 answer:
Gemiola [76]4 years ago
6 0

Answer:

correction

Step-by-step explanation:

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Evaluate (z^2)^4/5z^5 when z=5 and simplify
wariber [46]
The answer to This question should be 25
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3 years ago
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A football field is about 100 m long. if it takes a person 20 second to run its length, how fast ( what speed) were they running
rodikova [14]
I belive it's 5.
100 \div 20 = 5
Because it's Distance divided by Time, because your finding speed.
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4 years ago
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What is the estimate of the sum of 165, 123, 376 and 134 using front end estimation?
RUDIKE [14]
165 rounded to the nearest front (the hundreds place for all of them in this case) is 200. 123 rounded to the nearest hundred is 100, 376 rounded to the nearest hundred is 400, and 134 rounded to the nearest hundred is 100. Adding 200 + 100 + 400 + 100, we get 800.
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Hope this helps!
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4 years ago
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Can anyone math experts help and guide me through these questions❓
Lubov Fominskaja [6]

Step-by-step explanation:

The volume of a cube is

a {}^{3}

where a is the side length,

Note: If you want to remember this formula, know that a cube is basically a bunch of squares stacked on one another vertically and horizontally

The area of a square with side length a, is

{a}^{2}

If we multiply that by the height of the cube, which is a.

{a}^{2}  \times a =  {a}^{3}

That is the easy way to derive the formula of the volume of a cube.

Back on track, we know the volume so we must solve for a.

1.

125 =  {a}^{3}

Assuming you took algebra, to isolate the variable a, we must undo it being raised to the third power.

To do this, we take the cube root of both sides

\sqrt[3]{125}  =  \sqrt[3]{a {}^{3} }

The cube root of 125 is 5 so

5 = a

5 cm

2.

8 =   {a}^{3}

\sqrt[3]{8}  =  \sqrt[3]{ {a}^{3} }

2 = a

2 ft

3.

343 =  {a}^{3}

a = 7

7 yd

4.

1000 = a {}^{3}

10 = a

10 mm

5.

1728 =  {a}^{3}

a = 12

12 in. or 1 ft

6.

1 =  {a}^{3}

a = 1

1 m

4 0
2 years ago
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Estimate a 5% tip on a bill of $81.24 by first rounding the bill amount to the nearest ten dollars.
Helga [31]

A five percent tip of 81.24 would be 85.30, and rounded to the nearest ten dollars, it would be 90 even.

7 0
4 years ago
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