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scoray [572]
3 years ago
10

A new building needed 14 windows the builder already installed five of them it takes four hours to install each window how long

will it take him to install the rest
Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
5 0
There is 9 windows left and to finish installing the rest of the windows it will take 45 hours to finish all of the windows in the building
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Solve the inequality :<br> x-7 ≤ 3x + 1
Nina [5.8K]

Answer:

See below.

Step-by-step explanation:

x-7≤3x+1

 +7     +7

x≤3x+8

-3x -3x

-2x≤8

/-2   /-2

x≥-4

The inequality symbol reverses when divided/multiplied by a negative term.

-hope it helps

6 0
3 years ago
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F(x) = -x - 14<br> Find x if f(x) = -2
irina [24]

Answer:

x = -12

Step-by-step explanation:

First, you want to plug in f(x)'s value into the equation.

-2 = -x-14

Then solve for x:

x=-14+2

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5 0
2 years ago
I NEED HELP WITH THIS FAST
lakkis [162]

Answer: The answer for x is 6.75. The answer for y 6.75.

Step-by-step explanation:

You are going to mutiple 0.75 x 9 = 6.75. Then, mutiple 0.50 x 9= 4.5. Hope this works.

4 0
3 years ago
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a family is 500 ft above the ground in the basket of a hot air balloon and ascending at the consistent rate shown. At that heigh
Ivan

We know that the balloon ascends at the same constant rate, that means that after the penny drop is:

h_b(t)=10t+500

this comes from the fact that the initial height is 500 ft and that for each second the balloon ascends 10 feet.

8 0
1 year ago
Jim worked 40 hours last week, plus 8 overtime hours at the time-and-a-half rate. His gross pay was $884. A. What was his hourly
marishachu [46]

Answer:

Hourly rate: $17.

Hourly overtime rate: $25.5.

Step-by-step explanation:

Let x represent Jim's hourly pay.

We have been given that Jim worked 40 hours last week. So amount paid in 40 hours would be 40x.

We are also told that his over time pay is time-and-a-half rate that is 1.5x.

The amount earned for working 8 overtime hours would be 8\cdot 1.5x=12x.

Since Jim's gross pay was $884, so we will equate amount earned in 40 hours and 8 hours of overtime with 884 as:

40x+12x=884

52x=884

\frac{52x}{52}=\frac{884}{52}

x=17

Therefore, Jim's hourly rate is $17.

Overtime rate would be 1.5x\Rightarrow1.5(17)=25.5

Therefore, Jim's hourly overtime rate is $25.5.

7 0
4 years ago
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