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Sladkaya [172]
3 years ago
5

PLEASE ANSWER QUICKLY ASAP ​

Mathematics
1 answer:
Gre4nikov [31]3 years ago
5 0

Answer:

67°

Step-by-step explanation:

● cos<PQR = adjacent/hypotenus

● cos<PQR = 5/13

● cos< PQR = 0.384

Using a calculator:

● cos^-1(0.384) = 67°

● <PQR = 67°

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M³×n=189 Find m and n
Flura [38]

Answer:

m=3, n = 7

Step-by-step explanation:

Assuming m and n are integers, the following are the possible values of m and n

Let m = 1, then m³ = 1 and n= 189

If m = 2 we get 8n = 189 and 189/8 is not an integer so m ≠ 2

If m = 3, we get 27n = 189 and n = 189/27 = 7

Any higher integer values of m will not result in n being an integer and I am assuming m > 1 so the correct answer is m=3, n = 7

3 0
2 years ago
PLEASE HELP!!! NO BOTS!! solve for x​
Vesnalui [34]

Answer:

/2=1.41

/5=2.24

(a)^2+(b)^2=(c)^2

(1.41)^2+(b)^2=(2.24)^2

2+(b)^2=5

(b)^2=5-2

(b)^2=3

b=/3 or 1.73

Step-by-step explanation:

for a triangle, a missing value of the side can be found using pythagorean theorem which is (a)^2+(b)^2=(c)^2

replace it with the given value.

*note:(c)^2 should be the hypotenuse

inverse of +ve is -ve

inverse of square is square root

7 0
4 years ago
The ratio of boys to girls in the sixth grade is 2:3. If there are 80 boys, how many are girls? Solve using unit rates.
Aliun [14]

Answer:n 80

j

Step-by-step explanation:

6 0
3 years ago
You own a share of a stock worth $400 . It decreases 5% .how much is it worth now?
BigorU [14]

Answer:

380

Step-by-step explanation:

if you have 400 hundread you would subtract 5% from 400 amd you would get 380.

5 0
3 years ago
What is the interquartile range for the data set??
kramer

Answer:

65

Step-by-step explanation:

First, order the numbers in order. Then find the "middle numbers" and omit them after you have divided the number set into two equals parts. Then find the median of those number sets and then subtract.

You should get 71-6 at the end which is 65.

8 0
3 years ago
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