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3 years ago

Simplify to create an equivalent expression.

Mathematics

2 answers:

Harrizon [31]3 years ago

5 0

Your Answer is C to this questions

eduard3 years ago

4 0

so the answer is of option C....

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Write the phrase as an expression. the difference of 12 and a number x

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Answer:

12-x=y

Step-by-step explanation:

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3 years ago

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HELP SOON PLEASE HELP! The dimensions of a rectangle are 8 1/2 cm by 6 3/10 cm. What is the area of the rectangle?

oee [108]

Answer:

Convert 8 1/2 to 8.5 and 6 3/10 to 6.3, and then multiply 8.5 by 6.3. Answer:

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Step-by-step explanation:

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2 years ago

Find the exponential function P(t)=P0a^t where P(2)=5 and P(4)=10

asambeis [7]

Answer:

$P(t)=\frac{5}{2} \cdot (\sqrt{2})^t$

Step-by-step explanation:

$P(2)=5$ meants when $t=2$ , that the value for $P(t)$ is 5.

So this gives us this equation:

$5=P_0 \cdot a^2$

$P(4)=10$ meants when $t=4$ , that the value for $P(t)$ is 10.

So this gives us this equation:

$10=P_0 \cdot a^4$

So I take equation 2 and divide it be equation 1 I get:

$\frac{10}{5}=\frac{P_0 \cdot a_4}{P_0 \cdot a_2}$

Simplifying:

$2=a^2$

Since the base for an exponential function can't be negative then $a=\sqrt{2}$ .

So plugging into one of my equations I began with gives me an equation to solve for the initial value, $P_0$ :

$5=P_0 \cdot (\sqrt{2})^2$

$5=P_0 \cdot 2$

Divide both sides by 2:

$\frac{5}{2}=P_0$

The function is:

$P(t)=\frac{5}{2} \cdot (\sqrt{2})^t$

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3 years ago