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Margaret [11]
3 years ago
13

Jeff and his cousin work during the summer for a roofing company. Jeff's cousin has been working

Mathematics
2 answers:
Airida [17]3 years ago
6 0

Answer: $7.31

Step-by-step explanation:

30j+40% + 25j= 562.8

30j+25j= 55j

55j + 40% = 562.8

40% of 55 is 22

77j = 562.8

562.8 77 = 7.309090909.....

Simplify 7.309090909

$7.31 Per hour.

sdas [7]3 years ago
3 0

Answer:

1

Step-by-step explanation:

doesn't work hard enough

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(10x 2 +5x-3)+( 7x 2 -2x+7)
Rama09 [41]

Answer:

3x+38

Step-by-step explanation:

1. (10x2 +5x-3)+(7x2 -2x+7) : rewrite problem

2. (20+5x-3)+(14-2x+7) : PEMDAS (10x2=20 and 7x2=14)

3. (5x+17)+(-2x+21) : PEMDAS (20-3=17 and 14+7=21)

4. 3x+38 : Combine like terms

7 0
2 years ago
Find the values of x that make m parallel to n.<br> Please help!!
Arlecino [84]

The value of x that will make the lines parallel is 8

<h3>Corresponding angles </h3>

If the line m and n are parallel to each other hence the given angles will be corresponding angles.

Since they are corresponding angles, hence:

2x² = 128

x² = 128/2

x² = 64

x = √64

x = 8

Hence the value of x that will make the lines parallel is 8

Learn more on corresponding angles, here: brainly.com/question/2938476

5 0
2 years ago
Please help me I'm stumped on this​
Sladkaya [172]

Answer: 1300 cm^3, 850 cm^2

Step-by-step explanation:

With a triangular prism, you need to calculate the surface area of the triangle first and then the length. Here's how to solve for the volume (A):

Triangles is b*h/2, plug in the equation

10*13/2

130/2

65

Now use the length of the rest of the shape, which is 20 cm.

65*20=1300

the volume is 1300 cm^3.

for B, finding the surface area requires you to analyze each individual part of the shape.

Each part colored in represents a different shape:

Red:

10*20=200

Blue:

13*10/2=65

65*2=130 (Two triangles)

Green:

13*20=260

260*2=520 (Two rectangles)

Add them all up together.

200+130+520= 850 cm^2

8 0
3 years ago
Solve the given system. y = x 20 y = 6x
adelina 88 [10]
If you would like to solve the following system, you can calculate this using the following steps:

y = x - 20
y = 6 * x
_________
6 * x = x - 20
6 * x - x = -20
5 * x = -20    /5
x = -4

y = 6 * x = 6 * (-4) = -24

If you would like to solve the following system, you can calculate this using the following steps:

y = x + 20
y = 6 * x
_________
6 * x = x + 20
6 * x - x = 20
5 * x = 20    /5
x = 4

y = 6 * x = 6 * 4 = 24
8 0
3 years ago
30x + 20y +55 ANSWER ASAP
vazorg [7]

Answer:

are there any options?

7 0
3 years ago
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