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3 years ago

Solve the equation. Check the solution. 6/7x= - 18

Mathematics

2 answers:

dexar [7]3 years ago

8 0

Answer:

x= -21

Step-by-step explanation:

6/7x=-18

divide both sides by 6/7

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x= -21

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kiruha [24]3 years ago

5 0

Answer:

Standard form: x = -1/21 Decimal form: x = -0.047619

Step-by-step explanation:

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Select the correct answer.

Eva8 [605]

Answer:

Equation C: 5/8x + 2..5 = 3/8x + 1.5 + 1/4x

Step-by-step explanation:

Let us go through each of the equations one by one.

Equation A: $2.3y+2+3.1y=4.3y+1.6+1.1y+0.4$

This simplifies to

$5.4y+2=5.4y+2$

which has infinitely many solutions.

Equation B: $32x+25-21x=10x$

this simplifies to

$x+25=0$

$x=-25$

which is exactly one solution.

Equation C: $\frac{5}{8} x+2.5=\frac{3}{8}x+1.5+\frac{1}{4} x$

this simplifies to

$\frac{5}{8} x+2.5=\frac{5}{8} +1.5$

$2.5=1.5$

There's no way this is going to be possible; this equation has no solutions.

Equation D: $\frac{1}{3} x+\frac{1}{7} x=\frac{3}{7} x$

this gives

$\frac{1}{3} =\frac{2}{7} y$

$y=\frac{7}{6}$

which is exactly one solution.

Thus we see that it is equation C that has no solutions.

3 0

3 years ago

Which of the following statements are true?

bezimeni [28]

Answer:

A, B, and C are all true.

Step-by-step explanation:

A. 6 is neither a perfect square nor a perfect cube. True

B. 16 is a perfect square. True $4^{2}$

C. 27 is a perfect cube. True $3^{3}$

OD. 1,331 is both a perfect square and a perfect cube. False

E. 9 is a perfect cube. False

6 0

3 years ago

What is the slope of the equation?<br> y = 1/4x + 2

OLga [1]

Answer:

1/4

Step-by-step explanation:

4 0

2 years ago

Find the equation of the circle that satisfies the given conditions. radius 4 and center (3, -1)?

dmitriy555 [2]

<span> the equation of this circle is (x - 3)² + (y + 1)² = 4²</span>

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3 years ago

In the himalaya mountains along the border of tibet and nepal, mount everest reaches a record height of 29,035 feet. how high is

saul85 [17]

29,028ft 5 and 1/2 miles About as big as 20 empire state buildings.

5 0

2 years ago

Read 2 more answers