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polet [3.4K]
3 years ago
8

Find the value of 5x-6 given that 2x-7=9​

Mathematics
1 answer:
erik [133]3 years ago
4 0

Answer:

34

Step-by-step explanation:

Given that

2x - 7 = 9 ← solve for x

Add 7 to both sides

2x = 16 ( divide both sides by 2 )

x = 8

Substitute x = 8 into 5x - 6

5x - 6 = (5 × 8) - 6 = 40 - 6 = 34

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In triangle EFG, angle E equals 8x-16, angle F equals x+8, and angle G equals 2x-10. What is the value of x?
Stels [109]

Answer: The value of x= 18

Step-by-step explanation:

Given: In triangle EFG, angle E equals 8x-16, angle F equals x+8, and angle G equals 2x-10.

The sum of all angles of a triangle is 180°.

Therefore, in triangle EFG

∠E + ∠F +∠G= 180°

⇒ 8x-16 +x+8+ 2x-10 =  180

⇒ 11x-18= 180

⇒ 11x = 180+18

⇒11x=198

⇒ x= 18   [Divide both sides by 11]

Hence, the value of x= 18

6 0
2 years ago
Could some one pllz give me real answers
timofeeve [1]

Answer:

See below

Step-by-step explanation:

You just need 1/4 of everything:

1/4 c peanut butter

1/4 c brown sugar

1/4 c gran sugar

1/4 c butter

1/2 egg

1/4 tsp baking soda

1/4 tsp baking powder

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5/8 c flour

8 0
3 years ago
Read 2 more answers
Myra has a remote-controlled toy boat. She runs the toy boat on a lake at a constant speed. The graph of a function representing
lawyer [7]

The coefficients of the linear equation are:

  • Rate of change = 4.2
  • Initial value = 3.8

This means that the correct options are B and E.

<h3><u>How we can find the linear equation?</u></h3>

First, a general linear equation is written as:

y = a*x + b

Where a is the rate of change (also called slope) and b is the y-intercept (also called initial value).

If we know that the line passes through two points (x₁, y₁) and (x₂, y₂), then the rate of change is given by:

a = \frac{y_2 - y_1}{x_2 - x_1}

In this case, we know that the line passes through:

(1, 8) and (1.5 , 10.1)

Then the rate of change is:

a = \frac{10.1 - 8}{1.5 - 1}  = 4.2

So the line is something of the form:

y = 4.2*x + b

To find the value of b we can use one of the given points, I will use (1, 8).

This means that when x =1, we have y = 8, replacing that we get:

8 = 4.2*1 + b

8 - 4.2 = b

3.8 = b

So we have:

  • Rate of change = 4.2
  • Initial value = 3.8

Then the correct options are:

B and E.

If you want to learn more about linear equations, you can read:

brainly.com/question/4025726

4 0
2 years ago
4. A toy shop sells baby rattles in green and
Helga [31]

Answer:

15 remainder 3

Step-by-step explanation:

It is complicated how I did it so yeah

5 0
2 years ago
Angle A and Angle B are supplementary angles. If angles A = 65, find the m Angle B.
WARRIOR [948]

Answer:

B = 115

Step-by-step explanation:

Since A and B are supplementary, they add up to 180 degrees.

Thus, 65 + B = 180, and B = 115

8 0
3 years ago
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