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ohaa [14]
3 years ago
7

A set of equations is given below:

Mathematics
1 answer:
Advocard [28]3 years ago
4 0

Answer:

The statement describes a step that can be used to find the solution to the set of equations is "Equation F can be written as 4n + 1 = 6n + 8" ⇒ C

Step-by-step explanation:

In the system of equations

  • y = ax + b
  • y = cx + d

To find a solution to it, equate the right sides of the two equations

  • ax + b = cx + d

Then find the value of x

Substitute the value of x in one of the 2 equations to find the value of y

In our question

∵ m = 4n + 1 ⇒ E

∵ m = 6n + 8 ⇒ F

→ To solve the system equate the right sides of the two equations

∵ m = m

∴ 4n + 1 = 6n + 8

∴ The statement describes a step that can be used to find the solution

   to the set of equations is "Equation F can be written as 4n + 1 = 6n + 8"

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Which equation represents a line parallel to 3x-8y=12?
TEA [102]

Answer:

B. y = -3/8x - 4

Step-by-step explanation:

Given equation: 3x - 8y = 12

Find a parallel line that matches one of the equations shown.

First, find the slope by solving for y:

3x - 8y = 12

8y = -3x + 12

y = -3/8x + 12/8

y = -3/8x + 3/2

Slope m = -3/8

Since the slope of a line parallel is the same slope, the only equation that fits the conditions is B because in the form y = mx + b, m = -3/8

5 0
3 years ago
Danielle earns $36.80 for 4 hours of yardwork. MacKenzie earns $50.40 for 6 hours of yardwork.Who earns more money per hour? How
Fantom [35]

Answer:

Danielle earns $1.20 more than Mackenzie (per hour)

Step-by-step explanation:

To find out how much money per hour each person earns, you would divide the earinings by the number of hours;

Danielle: $36.80/4 = $9.20 per hour

MackKenzie: $50.40/6 = $8.40 per hour

To find out how much extra Danielle earns, you would subtract 8.40 from 9.20;

9.40 - 8.20 = $1.20

Thus, Danielle earns $1.20 more than Mackenzie per hour.

6 0
3 years ago
Original price of a pen: $49.95; Tax: 3% <br> The cost would be?
elixir [45]

Answer:

49.98

Step-by-step explanation:

6 0
3 years ago
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A bakery uses 300 pounds of flour to make 120 wedding cakes of the same size. At this rate how many pounds of flour are needed t
ElenaW [278]
The answer is 13 minutes and b
4 0
3 years ago
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[-1/4/5] × [-7/10+0.95] - [-2/1/4]
const2013 [10]

Answer:

-2.5625

Step-by-step explanation:

<u>1)[-1/4/5] × [-7/10+0.95] - [-2/1/4] turn that into improper fractions</u>

2 1/4=9/4

which is 1 4/5(-7/10+0.95)9/4

<u>2) 1 4/5(-7/10+0.95)= 0.3125</u>

which is 0.3125-9/4

<u>3)Make into decimal form</u>

9/4 equals 2.25

which is 0.3125-2.25

which all equals -2.5625

5 0
3 years ago
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