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2 years ago

(significant figures) Please answer using precision and rounding!! step by step would be appreciated !! :)

Mathematics

1 answer:

mezya [45]2 years ago

8 0

Answer:

Step-by-step explanation:

3.76 ≈ 4

1.62 ≈ 2

3.76 ÷ 1.62 ≈ 4 ÷ 2 = 2

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I not to sure how to rewrite this problem sin^2 (y)/1-cos(y). can you please explain how to rewrite.

butalik [34]

Using trigonometric identities, sin^2(y) = 1 - cos^2(y).
If you substitute that in, you get 1- cos^2(y)/(1-cos(y)).
You can factorise 1 - cos^2(y) to be (1-cos(y))(1+cos(y)).
This means that the answer is 1 + cos(y) as the 1 - cos(y) will cancel.

4 0

3 years ago

The revenue of the company is given by the equation R = x (1000 – 4x), where R is the revenue of the company in dollars when thy

ad-work [718]

Answer:

100 or 150 units of the product.

Step-by-step explanation:

R = x(1000-4x)

What is the value of x if R = 60,000?

x(1000-4x) = 60000

-4x^2 + 1000x = 60000

x^2 - 250x = -15000

x^2 - 250x + 15000 = 0

Factorize:

(x-100)(x-150) = 0

x-100 = 0 V x-150 = 0

x = 100 V x = 150

6 0

3 years ago

Answer for brainlest and 25 points

nordsb [41]

Answer:

Order from greatest to least: 10.5, $3\pi +1$ , $\sqrt{105}$

Step-by-step explanation:

step 1 simplify each number

3π + 1 = 10.4247779

*round to the nearest tenth*

3π + 1 = 10.4

$\sqrt{105} =10.2469507$

*round to the nearest tenth*

$\sqrt{105} =10.2$

10.5 = 10.5

Now that we have simplified each number we can easily put them in order from greatest to least

10.5 is the greatest number

10.4 is the middle number

10.2 is the lowest number

so 10.5, 10.4, 10.2

Now we put them back in the original form

10.5 = 10.5

10.4 = 3π + 1

10.2 = $\sqrt{105}$

Your answer is

10.5 , 3 $\pi$ + 1, $\sqrt{105}$

7 0

3 years ago

The decimal 0.88 as a fraction in simplest form

givi [52]

88/100 = 44/50 = 22/25

The answer is 22/25.

4 0

3 years ago

Read 2 more answers

The Dolphins football team gained 16 yards on their first play, then lost 11 yards on the next play. Write an addition expressio

sveticcg [70]

The Dolphins football team gained 16 yards on their first play, then lost 11 yards on the next play. Write an addition expression to represent this situation. Find the sum and explain its meaning.

Answer: On the first play, Dolphin's football team gained 16 yards.

On the 2nd play, Dolphin's football team lost 11 yards.

Therefore, the addition expression to represent this situation is:

$16 +(-11)$

The sum of this expression is:

$16 +(-11) = 16-11 = 5$

Therefore, we can interpret it as: Dolphin's football team gained 5 yards over the 2 plays

7 0

3 years ago

Read 2 more answers