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3 years ago

Please help me on this

Mathematics

2 answers:

Stells [14]3 years ago

4 0

It should be 14 hours

Leona [35]3 years ago

3 0

The answer is 14 beachside every 10 hours trained, you get an extra 100 dollars.

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(3/2)^2÷(1-3/2+√(1/8+7/16))×(1+2/3)^3 ayudaaaaaaaa

hram777 [196]

Answer:

ayuda wala pa kmi SAP UMAYS

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3 years ago

In the class there are 30 girls and 40 boys find the ratio of the boys to the girls

puteri [66]

Answer:

3:4

Step-by-step explanation:

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3 years ago

Simplify (2√5 + 3√7)^2. PLEASE SHOW WORK HELP

vagabundo [1.1K]

First you want to find 2√5+3√7, which is ≈12.40938989. Then you would square that number and you would get ≈153.9929574 rounding to the nearest number you would get ≈154.

So the answer is ≈154.

5 0

3 years ago

Read 2 more answers

What is the surface area of a sphere with a diameter of 12 centimeters ?

nasty-shy [4]

Answer:

$A=452.39\ cm^2$

Step-by-step explanation:

The formula to calculate the surface area of a sphere is the following:

$A=4\pi r^2$

Where A is the area of the sphere and r is the radius of the sphere.

In this case we know that the diameter d of the sphere is:

$d = 12\ cm$

The diameter is:

$d = 2r$ .

Thus

$r = \frac{d}{2}\\\\r = \frac{12}{2}\\\\r=6\ cm$

Then the surface area of the sphere is:

$A=4\pi (6)^2\\\\A = 144\pi\ cm^2\\\\A=452.39\ cm^2$

7 0

3 years ago

Read 2 more answers

Please help me with question #6!!!

Bumek [7]

Previous balance:

+ $481,47→ 11/30
- $300,00 → 11/02
- $68,99 → 11 / 10
- $45,00 → 11/15
- $72,75 → 11/17
----------------------------
+ $481,47 - $113,26 =
+ $368,21

new balance:

+ $481,47→ 11/30
- $300,00 → 11/02
- $ $\diagup\!\!\!\! 68,\diagup\!\!\!\!99$ → 11 / 10 for -$58,99
- $45,00 → 11/15
- $ $\diagup\!\!\!\! 72,\diagup\!\!\!\!75$ → 11/17 for $ 0
-------------------------------------------------------------------------------------
+ $481,47 - $196,01 =
+$285,46

Answer:
$\boxed{+285,46}$

4 0

3 years ago