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VashaNatasha [74]
3 years ago
7

HELP!!!!!!! Find the exact values of sin A and cos A

Mathematics
1 answer:
Nuetrik [128]3 years ago
4 0

Answer:

last option

Step-by-step explanation:

Sin A: opp/hyp (opposite/hypotenuse)

opposite of A is 24 and the hypotenuse is 30

write that as a fraction: 24/30

simplify and it is: 4/5

Cos A: adj/hyp (adjacent/hypotenuse)

adjacent side of A is 18 and the hypotenuse if 30

write that as a fraction: 18/30

simplify and it is: 3/5

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Is 3,540 reasonable for the difference 9,760-5,220
Ugo [173]

Answer:

no it's 4540

Step-by-step explanation:

you just subtract 5220 from 9760 and you get your difference

3 0
3 years ago
Factor the expression 30a+35​
kherson [118]
<h3>Answer is   5(6a+7)</h3>

=====================================

The GCF is 5, which can be factored out of the expression

Note how

30a = 5*6a

35 = 5*7

So we see the common factor between the two terms. You use the distribution property to pull out that 5. If you were do distribute the 5 back in, you'd get

5(6a+7) = 5*6a+5*7 = 30a+35

5 0
4 years ago
Read 2 more answers
A rectangular yoga mat has a perimeter of 179 inches. The width of the mat is eight less than half the length. Find the width, i
lianna [129]

Answer:

The width is 24.5in

Step-by-step explanation:

The perimeter of the rectangular yoga mat can be found using the formula;

P=2l+2w.

\Rightarrow 179=2l+2w...(1).

It was given that the width of the mat is eight less than half the length.

w=\frac{1}{2}l-8...(2)

We put equation (2) into equation (1) to get;

179=2l+2(\frac{1}{2}l-8).

\Rightarrow 179=2l+l-16.

\Rightarrow 179+16=2l+l.

\Rightarrow 3l=195

Divide both sides by 3;

l=65

We put l=65 into equation 2 to get;

w=\frac{1}{2}\times65-8

w=32.5-8

w=24.5in

4 0
3 years ago
In a class, 60% of the students are boys and the rest are girls. If the number of boys is 30, how many students are there? ​
irga5000 [103]

50 total students

  • 20 girls

Explanation:

total students: 100%

----------------

  • 60% → 30
  • 1% → 30/60
  • 1% → 0.5
  • 100% → (0.5 * 100)
  • 100% → 50

number of girls:

  • total students - number of boys
  • 50 - 30
  • 20
5 0
3 years ago
What are other ways to write 8.517?
tia_tia [17]
8.52? I think.....maybe
6 0
4 years ago
Read 2 more answers
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