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2 years ago

What is 16 divided by[2 6]?

Mathematics

1 answer:

aniked [119]2 years ago

6 0

I believe the answer is 13/8

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There are 8 boys in a class, and these boys make up 40% of the total students. How many students are in the class in total? *

hodyreva [135]

Answer:

Step-by-step explanation:

8 = 40%

4 = 20 %

8 + 8 + 4 = 20

20 students = 100%

3 0

2 years ago

Select the equivalent expression.<br> (6-4.8-7)-°<br> -2

dalvyx [7]

I think the answer is -7.8

4 0

2 years ago

Need help with trigonometry

vovangra [49]

Answer:

$\sf \tan(A) & =\dfrac{9\sqrt{22}}{44}$

Step-by-step explanation:

If angle C is the right angle, then side c is the hypotenuse.

Use Pythagoras' Theorem $a^2+b^2=c^2$ to find the length of side a:

Given:

b = 2√22
c = 13

$\implies a^2+(2 \sqrt{22})^2=13^2$

$\implies a^2+88=169$

$\implies a^2=81$

$\implies a=\sqrt{81}$

$\implies a=9$

<u>Tan Trig Ratio</u>

$\sf \tan(\theta)=\dfrac{O}{A}$

where:

$\theta$ is the angle
O is the side opposite the angle
A is the side adjacent the angle

Given:

$\theta$ = A
O = side opposite angle A = a = 9
A = side adjacent angle A = b = 2√22

$\begin{aligned}\implies \sf \tan(A) & =\dfrac{9}{2\sqrt{22}}\\\\ & =\dfrac{9}{2\sqrt{22}} \times \dfrac{\sqrt{22}}{\sqrt{22}}\\\\ & = \dfrac{9\sqrt{22}}{44} \end{aligned}$

6 0

1 year ago

Read 2 more answers

Corey is out on the roads doing a long run, and also doing some mental calculations at the same time. corey's pace is 3 strides

amm1812

A. 352 seconds or 5 minutes 52 seconds.
B. 320 seconds or 5 minutes and 20 seconds
C. 27687 steps
There are 5280 feet per mile. In A, 3 strides per second at 5 feet gives us 15 ft per second. 5280/15 = 352 seconds. In B, 3 strides per second at 5.5 feet gives us 16.5 feet per second. 5280/16.5 = 320 seconds. In C, we calculate the total feet to divide by 5 per step. multiply 26 miles by 5280 to get feet per mile and multiply 385 by 3 to get the feet per yard. Add them together. then divide by 5. 26(5280) + 385(3) =138435. 138435/5 = 27687 steps

8 0

2 years ago

A circle has a diameter of 12 feet. What is the circumference of the circle?

Lady bird [3.3K]

Answer:

B). 37.68 feet.

Step-by-step explanation:

Circumference = diameter * π

= 12 * π

= 37.68 feet.

5 0

2 years ago