Find the missing value to the nearest hundredth. COS x = 7/14 *

Answers

Answer 1

Answer:

Answer:

the cosine of x is 60

Step-by-step explanation:

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If f(x)=10x+15, find f(x) when x=4

Answers

Answer:

Step-by-step explanation:

Replace the x with 4

f(4) = 10(4) + 15

Multiply

f(4) = 40 + 15

Then Add

f(4) = 55

Answer

Hope this helped :)

I’m dumb so I need help

Answers

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28° + x-4°+2x=180°

Answers

Answer:

x = 52

Step-by-step explanation:

28 + x - 4 + 2x = 180

Simplify the left side

3x + 24 = 180

Subtract 24 from each side

3x = 156

Divide each side by 3

x = 52

A water sprinkler system can water 1/5
of a yard in
1/10
of a hour. Compute the unit rate by setting up a complex fraction and simplifying.

A)
1 yards per hour

B)
2 yards per hour

C)
5 yards per hour

D)
10 yards per hour

Answers

Answer:

Choice B: 2 yards per hour.

Step-by-step explanation:

In order to compute the unit rate we have to divide the number of yards watered by the amount of hours taken:

$\therefore Unit\: Rate =(yards)/(hours) =((1)/(5) yards)/((1)/(10)hours).$

Take the reciprocal of the denominator of the expression and we get:

$Unit\: Rate=((1)/(5) yards*10)/(hours).$

Which simplifies to

$(2 yards)/(hour)$

Thus Unit rate = $(2 yards)/(hour)$ which is choice B.

Write the inverse function for the function, ƒ(x) =x + 4. Then, find the value of ƒ -1(4). Type your answers in the box.ƒ -1(x) =

ƒ -1(4) =

Answers

Answer:

f-1(x)=x-4

f-1(4)=0

Step-by-step explanation:

to get an inverse function, replace x with y, and y with x.

y=x+4 ---> x=y+4

solve for y: x=y+4 --> y=x-4 --> f-1(x)=x-4

f-1(4)=(4)-4=0

A segment has endpoints A (-1, 1) and B (8, 4) . If the segment is divided into four equal parts, the coordinates of the point closest to point A are _____. (7/2, 5/2) (5/4, 7/4) (23/4, 13/4)