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Brut [27]
2 years ago
14

Patrick b

Mathematics
1 answer:
marusya05 [52]2 years ago
3 0

Answer:

8

Step-by-step explanation:

Eric's salary: y=75x+1400

Nancy's salary: y=250x.

Solve the system of equations to get 8.

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The diameter of a small gear is 16 cm. This is 2.5 cm more than 1/4 of the diameter of a larger gear. What is the diameterof the
Alex787 [66]
16 cm - 2.5 cm = 13.5 cm, which is 1/4 of the diameter of the large gear. Take 13.5 cm * 4, and you have the diameter of the large gear, which is 54 cm.
6 0
3 years ago
Read 2 more answers
The length of a rectangle is 6 cm and its area is (6x+18) Square centimeters what is an expression for the width
Ludmilka [50]

Answer:

x+3

Step-by-step explanation:

(6x+18)/6

Simplify

x+3

7 0
3 years ago
3x-13=74 solve for x
never [62]

Answer:

x=29

Step-by-step explanation:

3x-13=74

We want to solve for x, so we need to isolate it.

The first step is to add 13 to each side.

3x-13+13=74+13

3x = 87

Then we divide by 3 on each side

3x/3 = 87/3

x= 29

7 0
3 years ago
Y=-1/4x-5 and 2x+8y=56 determine if paralllel ,nethier or perpendicular
Dominik [7]

Answer:

Parallel

Step-by-step explanation:

In the slope-intercept form (y=mx +c), the coefficient of x tells us the slope of the line.

2x +8y= 56

Let's rewrite this equation into the slope-intercept form.

8y= -2x +56

Dividing both sides by 8:

y=  -  \frac{2}{8} x +  \frac{56}{8}

y =  -  \frac{1}{4} x + 7

Slope= -¼

y= -¼x -5

Slope= -¼

Since both lines have the same slope, they are parallel to each other.

3 0
2 years ago
Kim is trying to save at least $450. She has already saved $75. She can babysit for $5 an hour. How many hours does Kim need to
larisa [96]

Answer:

70 hours.

Step-by-step explanation:

you need to subtract 450 from 75 which tells you you need 350 more dollars then you need to do 5x70 which gives you 350.

7 0
3 years ago
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