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3 years ago

TEN POINTS!!!!! find the equivalent exponential expression (4^3)^5

Mathematics

1 answer:

Tanya [424]3 years ago

3 0

Answer:

4^15

Step-by-step explanation:

We multiply both exponents 3 and 5

So we get:

4^15

Hope this helps

Good Luck

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A red candle is 8 inches y'all and burns at a rate of 7 divided by 10 inch per hour. A blue candle is 6 inches tall and burns at

lorasvet [3.4K]

Answer:

Both candles will have the same height after 4 hours.

Step-by-step explanation:

The equation for the amount of candle remaining can be given by the following equations:

$Q(t) = Q(0) - at$

In which Q(t) is the amount after t hours, Q(0) is the initial amount and a is how much it decreases, in inches, per hour.

Red candle:

8 inches tall and burns at a rate of 7 divided by 10 inch per hour. This means that $Q(0) = 8, a = 7/10 = 0.7$ . So

$Q_{r}(t) = 8 - 0.7t$

Blue candle:

6 inches tall and burns at a rate of 1 divided by 5 inch per hour. This means that $Q(0) = 6, a = 1/5 = 0.2$ . So

$Q_{b}(t) = 6 - 0.2t$

After how many hours will both candles be the same height ?

This is t when

$Q_{r}(t) = Q_{b}(t)$

$8 - 0.7t = 6 - 0.2t$

$0.2t - 0.7t = 6 - 8[/yrc][tex]-0.5t = -2$

Multiplying by (-1)

$0.5t = 2$

$t = \frac{2}{0.5}$

$t = 4$

Both candles will have the same height after 4 hours.

6 0

4 years ago

What number is 120% of 70

kaheart [24]

70/x=100/120
(70/x)*x=(100/120)*x - we multiply both sides of the equation by x
70=0.833333333333*x - we divide both sides of the equation by (0.833333333333) to get x
70/0.833333333333=x
84=x
x=84

now we have:
<span>120% of 70=84</span>

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4 years ago

Find the slope of that line that goes through (-3,-1) and (3,5)

miskamm [114]

Answer:

Step-by-step explanation:

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3 years ago

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zloy xaker [14]

Answer:

a tree was 5 meters tall. a person used a chainsaw to cut 1/4 of the tree. how tall is the tree now?

also, please don't copy the answer word for word.

6 0

3 years ago

Which shows the correct solution of the equation, when 1/2a+2/3b=50, when b=50 ?

Llana [10]

Answer:

$a = \frac{100}{3}$

Step-by-step explanation:

We have the following equation:

$\frac{1}{2} a + \frac{2}{3} b = 50$

If $b=50$ , then:

$\frac{1}{2} a + \frac{2}{3}$ ×50 $= 50$

Solving for 'a':

$\frac{1}{2} a = \frac{50}{3}$

$a = 2\frac{50}{3}$

$a = \frac{100}{3}$

6 0

4 years ago

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