3 years ago

Find cos -15 degrees

Mathematics

1 answer:

Kay [80]3 years ago

5 0

Answer:

-0.75968791285

Step-by-step explanation:

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For the function f(x) = x + 7, what is the ordered pair for the point on the graph when x = 2b? (2b, 2b + 7) (2b, x + 7) (x, x +

Ostrovityanka [42]

Answer:

(2b, 2b + 7)

Step-by-step explanation:

y=f(x) = x +7

x= 2b

y=f(2b) = 2b +7

(2b, 2b + 7)

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3 years ago

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Which expression represents the product of s and 39?<br>A=39-s<br>B=39÷s<br>C=39s<br>D=39+s

Degger [83]

The answer would be c because it means Multiply and whenever a variable is next to a number in this case 39s then that means it a multiplication
So C. 39s

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3 years ago

True or false 398+9 = 400+8

defon

Answer: False

Step-by-step explanation:

398 + 9 = 407

400 + 8 = 408

If the equation was 398 + 10 then yes it will be equal to 400 + 8

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3 years ago

What is 9/14 + 2/7 + 1/2

goldfiish [28.3K]

9/14 stays the same

2/7 turns into 4/14

1/ into 7/14

all of them added is 20/14

simplified is 1 3/7

8 0

4 years ago

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99 pencils cost \$7.74$7.74dollar sign, 7, point, 74. Which equation would help determine the cost of 666 pencils? Choose 1 answ

balu736 [363]

Answer:

$\large \boxed{\text{A) } \dfrac{6}{x} = \dfrac{9}{\$7.74}}$

Step-by-step explanation:

9 pencils cost $7.74

6 pencils cost x

The ratios are

$\dfrac{9}{6} = \dfrac{\$7.74}{x}$

According to the alternendo property,

$\dfrac{9}{6} = \dfrac{\$7.74}{x} \Rightarrow \dfrac{9}{\$7.74} = \dfrac{6}{x}\\\\\text{The correct answer is $\large \boxed{\mathbf{ \dfrac{6}{x} = \dfrac{9}{\$7.74}}}$}$

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3 years ago