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4 years ago

Please help me with my math homework

Mathematics

1 answer:

kondor19780726 [428]4 years ago

6 0

1. 7×7=49 2. 21×21=441 3. -3×-3= -9
it's to much work to do the rest but I know you can do it

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Grace [21]

Answer:

B, 3 the numbers go in multiples of 3 you see it goes 3, 6, 9 12, 15 they can all be divided by 3

Step-by-step explanation:

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3 years ago

What properties should we use to solve -5 + (5 + 3)?

alukav5142 [94]

im going to say 3 but im not very good at math hope that helps

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4 years ago

Help me I’m stuck and please can someone explain this to me

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Answer:

84 degrees

Step-by-step explanation:

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3 years ago

Simplify the expression: -18/2+ 9 x 6 A.)63 B.)63 C.)45 D.)45

Liula [17]

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Step-by-step explanation:

Let's simplify step-by-step.

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6 0

3 years ago

For the equation ae^ct=d, solve for the variable t in terms of a,c, and d. Express your answer in terms of the natural logarithm

saveliy_v [14]

We have been given an equation $ae^{ct}=d$ . We are asked to solve the equation for t.

First of all, we will divide both sides of equation by a.

$\frac{ae^{ct}}{a}=\frac{d}{a}$

$e^{ct}=\frac{d}{a}$

Now we will take natural log on both sides.

$\text{ln}(e^{ct})=\text{ln}(\frac{d}{a})$

Using natural log property $\text{ln}(a^b)=b\cdot \text{ln}(a)$ , we will get:

$ct\cdot \text{ln}(e)=\text{ln}(\frac{d}{a})$

We know that $\text{ln}(e)=1$ , so we will get:

$ct\cdot 1=\text{ln}(\frac{d}{a})$

$ct=\text{ln}(\frac{d}{a})$

Now we will divide both sides by c as:

$\frac{ct}{c}=\frac{\text{ln}(\frac{d}{a})}{c}$

$t=\frac{\text{ln}(\frac{d}{a})}{c}$

Therefore, our solution would be $t=\frac{\text{ln}(\frac{d}{a})}{c}$ .

5 0

4 years ago