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3 years ago

The answer and you got it

Mathematics

1 answer:

Ksju [112]3 years ago

5 0

It would be nice If I could read it better. The answer is C if is says angle 3 and angle 5.

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What is ab+4+a+4b - do factoring by grouping

lakkis [162]

2a+b4.....................

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3 years ago

Sergei uses 4 cups of ice cream to make 3 milk shakes.

natta225 [31]

Answer:

He gets 2.4 cups. This is a case of inverse proportion

Step-by-step explanation:

Hope this helps! If you need extra info, just comment me for an explanation

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2 years ago

Sam earned $380 working for 8 hours. How much does Sam earn per hour? $ per hour

Crank

Answer:

$47.50

Step-by-step explanation:

You just take $380 and divide it by 8 hours to get the amount of money per hour, which is $47.50 .

7 0

3 years ago

Read 2 more answers

It costs $3.45 to buy 3 4lb of chopped walnuts. How much would it cost to purchase 7.5 lbs of walnuts? Explain or show your reas

Nuetrik [128]

Answer:

8.05

Step-by-step explanation:
3.45 divide by 3 = 1.15
1.15 times 7=8.05

5 0

3 years ago

Walter invests $100,000 in an account that compounds interest continuously and earns 12%. How long will it take for his money to

prohojiy [21]

Answer:

$300000= 100000 e^{0.12 t}$

We divide both sides by 100000 and we got:

$3 = e^{0.12 t}$

Now we can apply natural logs on both sides;

$ln(3) = 0.12 t$

And then the value of t would be:

$t = \frac{ln(3)}{0.12}= 9.16 years$

And rounded to the nearest tenth would be 9.2 years.

Step-by-step explanation:

For this case since we know that the interest is compounded continuously, then we can use the following formula:

$A =P e^{rt}$

Where A is the future value, P the present value , r the rate of interest in fraction and t the number of years.

For this case we know that P = 100000 and r =0.12 we want to triplicate this amount and that means $A= 300000$ and we want to find the value for t.

$300000= 100000 e^{0.12 t}$

We divide both sides by 100000 and we got:

$3 = e^{0.12 t}$

Now we can apply natural logs on both sides;

$ln(3) = 0.12 t$

And then the value of t would be:

$t = \frac{ln(3)}{0.12}= 9.16 years$

And rounded to the nearest tenth would be 9.2 years.

5 0

3 years ago