3 years ago

What is x to the power of 3 divided by x to the power of -5

1 answer:

4 0

X to the power of 8
When dividing powers, you subtract the "small numbers". When multiplying, you add them. 3-(-5) = 8

Hope it helps!

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the ratio of the number of people who own a smartphone to the number of people who own a flip phone is 4:3. if 500 more people o

pickupchik [31]

X - the number of people who own a smartphone
y - the number of people who own a flip phone

x:y=4:3
$\frac{x}{y}=\frac{4}{3} \\ 4y=3x \\ y=\frac{3}{4}x$

500 more people own a smartphone than a flip phone.
$x=500+y \\
x=500 + \frac{3}{4}x \\
x-\frac{3}{4}x=500 \\
\frac{1}{4}x=500 \\
x=500 \times 4 \\
x=2000 \\ \\
y=\frac{3}{4}x=\frac{3}{4} \times 2000=3 \times 500 =1500$

2000 people own a smartphone and 1500 people own a flip phone.

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3 years ago

Read 2 more answers

50.75 converted to a fraction

fredd [130]

50.75= 5075/100
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3 years ago

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Find the value of x by using law of sines.

Pavel [41]

Answer:

x = 7.7

Option B

Step-by-step explanation:

$\frac{a}{Sin~A} &=& \frac{b}{Sin~b} \\ \frac{8}{Sin~73^\circ} &=& \frac{x}{Sin~67^\circ} \\ \frac{8}{0.96} &=& \frac{x}{0.92} \\ 0.96x &=& 8 \times 0.92 \\ 96x &=& 8 \times 92 \\ 96x &=& 736 \\ x &=& \frac{736}{96} \\ x&=& \frac{23}{3} \\ &\boxed{x=7.7}&$

∴ value of x is 7.7

3 0

3 years ago

during a ten day period kids were given $1 on the first day $2 on the second day, and so on finishing with $10 on the 10th day.

german

X = day # example being day 2 = x = 2
1x = how much money they have.

Ex. Day 3
x = 3
1x = 3

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4 years ago

What amount is 20% of 60?

miskamm [114]

It would be 12
10% = 6
6 x 2 = 12

7 0

1 year ago