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3 years ago

What is the degree measure of f?

Mathematics

1 answer:

olganol [36]3 years ago

7 0

The answer is 58 pretty sure

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Use the reference angles to find the exact value of the expression cot -11 pi/6. Do not use a calculator

laiz [17]

Answer:

$\sqrt{3}$

Step-by-step explanation:

cot(-11pi/6)=cot(-pi-5pi/6)= -cot(5pi/6)=cot(pi/6)= $\sqrt{3}$ ≈1.73

7 0

3 years ago

What is the percent of change from 75 to 84?

ValentinkaMS [17]

Answer:

12%

Step-by-step explanation:

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3 years ago

3 erasers cost $4.41.

olasank [31]

Y=1.47x

X is the number of erasers bought

6 0

3 years ago

Horatio wrote the multiplication facts for 8. which digit will not be in the ones place of the products?

dangina [55]

Answer:

Odd digits like 1, 3, 5, 7, and 9will not be at ones place of the products.

Step-by-step explanation:

If we look at multiplication facts of 8 we can see that,

8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96 etc

We can see that at the ones place, only even digits show up, like

0, 2, 4, 6, 8

But there is no odd digit at ones place.

So if Horation wrote the multiplication facts for 8, none of the odd digits will be there at ones place. Those digits include, 1, 3, 5, 7 and 9.

5 0

3 years ago

It takes Ann 8 hours to travel a

Amanda [17]

Answer:

d = 780

Step-by-step explanation:

Remark

You can do this with a proportion which will save you figuring out the rate. I'll do it both ways

Proportion

480/8 = x / 13 Cross Multiply

8*x = 13*480

8x = 6240

x = 780 miles

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

Remark

Often times we like questions to follow a formula. Here's the formula method.

Formula

d = r * t

Givens

t = 8 hours

d = 480miles

r = ?

480 = r * 8

480 / 8 = r

r = 60

Second part

r = 60 miles per hour

t = 13 hours

d = ?

d = 60*13

d = 780 miles

6 0

3 years ago