4 years ago

Please help I WILL GIVE ROBUX

Mathematics

2 answers:

igomit [66]4 years ago

5 0

Answer:

57.1 mm^2

Step-by-step explanation:

AREA OF TOP and BOTTOM = 8+8 = 16 mm^2

AREA OF SIDES = 12+12+17.1 = 41.1 mm^2

TOTAL SURFACE AREA = 16 + 41.1 = 57.1 mm^2

And I don't need your Robux. Brainliest will suffice.

stealth61 [152]4 years ago

4 0

Answer:

57.1

Step-by-step explanation:

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elena-14-01-66 [18.8K]

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3 years ago

The sale tax in a certain state is 5 1/2%. What would be the tax on an item that costs $535.00

nexus9112 [7]

Answer:

$29.43

Step-by-step explanation:

5 1/2 % or 5.5% is 0.055 as a decimal. Multiply 535 by 0.055 to find what 5.5% of 535 is...

0.055(535) = 29.425

Since we're working with dollars, round to the nearest hundredth, which is

$29.43

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4 years ago

What is a reason that we need to be able to use the quadratic formula rather than solving all quadratic equations by graphing?

MArishka [77]

Here are some examples of how the Quadratic Formula works:

Solve x2 + 3x – 4 = 0

This quadratic happens to factor:

x2 + 3x – 4 = (x + 4)(x – 1) = 0

Then, as expected, the solution is x = –4, x = 1.

8 0

4 years ago

Rewrite the formula f=ma , get m by itself

Anna007 [38]

F=ma
f/a = ma/a
f/a = m

3 0

3 years ago

On a test, 86% of the questions are answered correctly. If 215 questions are correct, how many questions are on the test?

kupik [55]

The text tells us 215 is 86% of the questions
We are looking for 100% of the questions

We get that number by:
Multiplying 100 and 215 and dividing it by 86

$\frac{100 \times 215}{86}$

And that equals 250

7 0

3 years ago