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2 years ago

If HJ = 7x-27, find the value of x.

Mathematics

2 answers:

daser333 [38]2 years ago

4 0

Answer:

x = HJ/7 + 27/7

Step-by-step explanation:

Hope this helps!

Salsk061 [2.6K]2 years ago

3 0

I did it wrong so ya....

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Raise 7 to the 5th power, subtract the result from 9, then multiply what you have by c

goblinko [34]

Step 1.) 7^5 = 16,807
Step 2.) 9 - 16,807 = -16,798
Step 3.) -16,798 * c = -16,798c

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3 years ago

1. Use the figure below to answer the questions.<br><br> (a) Solve for x.

Dmitry [639]

Let's see what to do buddy...

_________________________________

The sum of the angles of each n-sided figure is found in the following equation :

$(n - 2) \times 180$

The question's figure is 5-sindes figure

so the sum the angles equal :

$(5 - 2) \times 180 = 3 \times 180 = 540 \\$

So we have :

$90 + 107 + 144 + 138 + x = 54 0 \\$

$479 + x = 540$

Subtract the sides of the equation minus 479

$x = 540 - 479$

$x = 61$

And we're done.

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3 years ago

What is the value of x in the equation 1.5(x + 4) – 3 = 4.5(x – 2)

lozanna [386]

Answer: x=4

Step-by-step explanation:

1.5(x+4)-3=(x-2)

1.5x+6)-3=4.5x-9

1.5x+3=4.5x-9

+9 +9

1.5x+12=4.5x

divide 1.5x and 4.5

12=3x

/3 /3

x=4

5 0

2 years ago

Read 2 more answers

A line with a slope of -1 passes through the point (0,0). What is its equation in slope-intercept form? Please answer quickly.

rusak2 [61]

Answer:

y = -x

Step-by-step explanation:

The line has a slope of -1 and it passes through point (0,0)

Taking another point (x,y) on the line;

Slope = change in y ÷ change in x

For our case; slope = $\frac{y - 0}{x - 0} = -1$

Cross multiplying this gives;

y = -x

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2 years ago

State the positive values of X for which the production costs at the two sites are equal. Explain how you determined your answer

Shkiper50 [21]

Answer:

Step-by-step explanation:

A(x)=3x^2

B(x)=8x+3

A(x)=B(x)

3x^2=8x+3

3x^2-8x-3=0

factor

(3x+1)(x-3)=0

x-3=0

x=3

3(3^2)=8(3)+3

3(9)=24+3

27=27

8 0

2 years ago

If HJ = 7x-27, find the value of x.​

If HJ = 7x-27, find the value of x.