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Korolek [52]
4 years ago
9

Select the proper inverse operation to check the answer to 25 ? 13 = 12. A. 12 ÷ 25 = 13 B. 12 + 13 = 25 C. 12 × 13 = 25 D. 12 ×

25 = 13Select the proper inverse operation to check the answer to 25 ? 13 = 12. A. 12 ÷ 25 = 13 B. 12 + 13 = 25 C. 12 × 13 = 25 D. 12 × 25 = 13Select the proper inverse operation to check the answer to 25 ? 13 = 12. A. 12 ÷ 25 = 13 B. 12 + 13 = 25 C. 12 × 13 = 25 D. 12 × 25 = 13
Mathematics
1 answer:
choli [55]4 years ago
3 0
25?13=12, would be B
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I need help with Trig! The picture is attached below. (30 points)
Hatshy [7]

Answer:

Step-by-step explanation:

Cot is the inverse of tan.  Therefore, the ratios are also inverses.  The same goes for csc, which is the inverse of sin.  

The tan ∠B = \frac{6}{5}  so the cot ∠B = \frac{5}{6} so the first statement is false.

The sin ∠C = \frac{5}{8}  so the csc ∠C = \frac{8}{5} so the second statement is false.

The tan ∠C = \frac{5}{6}  so the cot ∠C = \frac{6}{5} so the third statement is false.

The sin ∠B = \frac{6}{8}  so the csc ∠B = \frac{8}{6} which reduces to \frac{4}{3} so the last statement is true!

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3 years ago
How do you find the perimeter of a triangle using one side length and two angles of 60 degrees
Licemer1 [7]
Give me a picture of the problem and i will solve it
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3 years ago
A local hamburger shop sold a combined total of 551 hamburgers and cheeseburgers on Saturday. There were 51 more cheeseburgers s
klasskru [66]

Answer:

250 Hamburgers

301 Cheeseburger

Step-by-step explanation:

551-51=500

500 divide 2 = 250

250 add 51 = 301

8 0
3 years ago
Mandy has an IQ of 115. We know that the mean () IQ is 100 with a standard deviation of 15. There are 100 people in Mandy’s Alc
Alex787 [66]

Answer: 16

Step-by-step explanation:

Given : Mean : \mu=100

Standard deviation : \sigma =15

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For x= 115

z=\dfrac{115-100}{15}=1

The p-value : P(z>1)=1-P(z

Now, the number of people smarter than Many is given by :_

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8 0
4 years ago
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8x + 2 > 34

     -2    -2

8x > 32

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x > 4

so x can equal any number from 5 and infinity

Hope I helped !!! :)

5 0
4 years ago
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