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tamaranim1 [39]

2 years ago

14

Which shows how to solve the equation 3/4x=-6 for x in one step?

2 answers:

REY [17]2 years ago

8 0

Answer:

A, 3/4(4/3)x=-6(4/3)

Step-by-step explanation:

Multiplying each side of the equation by 4/3 isolates x and solves the equation in one step.

nexus9112 [7]2 years ago

6 0

Answer:

Hi I believe it's the first one.

Step-by-step explanation:

To cancel out 3/4 you need to multiply by reciprocal.

Hope this helps:)

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IF NR = 8 ft, what is the length of arc NMP. Round to the nearest tenth.

Pavlova-9 [17]

Check the picture below.

since chords NQ and MP cross the center of the circle at R, that means that those two chords are diametrical chords and the angles made by both are vertical angles and thus twin angles, namely both are 18° as you see in the picture, so the angle NMP in magenta is really 162° + 18° + 18° = 198°, and we know the radius NR is 8.

$\textit{arc's length}\\\\ s=\cfrac{r\pi \theta }{180}~~ \begin{cases} r=radius\\ \theta =\stackrel{degrees}{angle}\\[-0.5em] \hrulefill\\ r=8\\ \theta =198 \end{cases}\implies s=\cfrac{(8)\pi (198)}{180}\implies s\approx 27.6$

4 0

1 year ago

5(x-3) = 2(x+3) solve for x

sattari [20]

Answer:

7

Step-by-step explanation:

5(x - 3) = 2(x + 3) Distribute

5x - 15 = 2x + 6

+ 15 + 15 Switch sides to the liked terms

5x = 2x + 6 + 15

-2x -2x Switch sides to the liked terms

5x - 2x = 6 + 15

<u>3x</u> = 21 Divide

3 3

x = 7

4 0

2 years ago

Read 2 more answers

$54,000 at 7% for 3 years

solniwko [45]

The answer to this problem is 11340
Multiply 54,000 by 7% (7/100) by 3
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5 0

2 years ago

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Using long division to find the quotient, what changes do you first

lora16 [44]

Answer:

$\frac{125x^3 - 8}{5x - 2} = 25x^2 + 10x +4$

Step-by-step explanation:

Given

$Dividend = 125x^3 - 8$

$Divisor = 5x - 2$

Required

Determine the quotient

See attachment for complete process.

First, divide 125x^3 by 5x

$\frac{125x^3}{5x} =25x^2$

Write $25x^2$ at the top

Multiply $5x - 2$ by $25x^2$

$= 125x^3 - 50x^2$

Subtract from 125x^3 - 8

i.e.

$125x^3 - 8 - (125x^3 - 50x^2) = 50x^2 - 8$

Step 2:

Divide 50x^2 by 5x

$\frac{50x^2}{5x} = 10x$

Write $10x$ at the top

Multiply $5x - 2$ by $10x$

$= 50x^2 - 20x$

Subtract from 50x^2 - 8

i.e.

$50x^2 - 8 - (50x^2 - 20x) = 20x - 8$

Step 3:

Divide 20x by 5x

$\frac{20x}{5x} = 4$

Write $4$ at the top

Multiply $5x - 2$ by $4$

$= 20x - 8$

Subtract from 20x - 8

i.e.

$20x - 8 - (20x - 8) = 0$

Hence:

$\frac{125x^3 - 8}{5x - 2} = 25x^2 + 10x +4$

8 0

2 years ago

Y=2x-5 -3x - 4y=-2

Whitepunk [10]

Answer:

y=-x/5 =3/5. that is how it is.

8 0

2 years ago