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3 years ago

7

How many solutions does the equation 4x + 8 = −2 − 2 + 5x have?

1 answer:

joja [24]3 years ago

4 0

X=12 only has 1 solution

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Leave answer in the simplest radical form.

slega [8]

$\cfrac{7x^{-\frac{3}{2}} ~~ y^{\frac{5}{2}} ~~ z^{-\frac{2}{3}}}{56 x^{-\frac{1}{2}} ~~ y^{\frac{1}{4}}}\implies \cfrac{7}{56}\cdot \cfrac{y^{\frac{5}{2}} ~~ y^{-\frac{1}{4}}}{x^{-\frac{1}{2}} ~~ x^{\frac{3}{2}} ~~ z^{\frac{2}{3}}}\implies \cfrac{1}{8}\cfrac{y^{\frac{5}{2}-\frac{1}{4}}}{x^{-\frac{1}{2}+\frac{3}{2}}~~ z^{\frac{2}{3}}}$

$\cfrac{y^{\frac{9}{4}}}{8x z^{\frac{2}{3}}}\implies \cfrac{\sqrt[4]{y^9}}{8x\sqrt[3]{z^2}}\implies \cfrac{\sqrt[4]{y (y^2)^4}}{8x\sqrt[3]{z^2}}\implies \cfrac{y^2 \sqrt[4]{y}}{8x\sqrt[3]{z^2}}$

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2 years ago

Iris has 120 songs on her play list. Each week she downloads 4 song. Write an expression to show the total number of songs on Ir

Leya [2.2K]

Answer:

120 divided by 4 is w

Step-by-step explanation:

8 0

3 years ago

Which graph is the result of reflecting f(x) = (8)* across the y-axis and then across the x-axis? O 8- 6- 8 7

marta [7]

I assume you meant $f(x)=8^x$ .

Reflecting across the x-axis would give $y=-8^x$ .

Reflecting across the y-axis would give $y=8^{-x}$ .

8 0

2 years ago

You are traveling in a car. Your speed is 15 miles per hour. What is your speed in feet per minute?

Nookie1986 [14]

Answer:

1,320 Feet per min

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers

How many times greater is the area of circle C than the area of circle A.

kicyunya [14]

Answer:

I need a picture

Step-by-step explanation:

sorry but without a picture i don't know wht to do

5 0

3 years ago