3 years ago

The amount of money Beverly earns from selling her paintings at a craft show can be determined by the

Mathematics

1 answer:

Tanzania [10]3 years ago

8 0

Answer:

E = $385

Step-by-step explanation:

35 x 11 = 385

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Y=7×2^t/30 what is the equation solved for t

CaHeK987 [17]

Answer:

Option C

Step-by-step explanation:

Given expression in the question is,

y = $7(2)^{\frac{t}{30}}$

To get the value of t,

$\frac{y}{7}=2^{\frac{t}{30}}$

Take the log on both the sides of the expression,

log( $\frac{y}{7}$ ) = $\text{log}[(2^{\frac{t}{30}})]$

log( $\frac{y}{7}$ ) = $\frac{t}{30}(\text{log2})$

t = $30(\frac{\text{log}\frac{y}{7}}{\text{log}2} )$

t = $30[\text{log}_2(\frac{y}{7})]$ [Since, $\frac{\text{loga}}{\text{logb}}=\text{log}_a(b)}$ ]

Therefore, Option C will be the answer.

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3 years ago

Factor completely 4x2 + 16x.

Andrew [12]

First factor out the gcf.

4x(x+4)

The inner binomial cannot be factored so that is the final answer.

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Step-by-step explanation:

Equation: y = (x - 1)² + 4

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6. The perimeter of a square room is 48 m, how much square metre carpet required it cover it ?<br>

max2010maxim [7]

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144

Step-by-step explanation:

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A 500-kg car has 25,000 joules of kinetic energy. What is its speed?

Lelu [443]

(m.v^2)/ 2 = 25000
<=> 500.v^2 = 50000
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3 years ago