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2 years ago

12

jenell wants to invest $5800 in a savings account that pays 6.6% simple interest. how long will it take for this investment to d

ouble in value?

1 answer:

solong [7]2 years ago

5 0

30.35 years so 31 years

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what is true about every rotation? the image and pre-image are congruent. the image is larger than the pre-image. the image over

Rudiy27

I think the correct answer from the choices listed above is the first option. The statement that is true for every rotation would be that the image and pre-image are congruent. A<span>ll the rest deals with changing the rotated shape not a constant. Hope this helps.</span>

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3 years ago

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NC0 + nC3 + nC6 + nC9 + ...<br><br> what does this equal to?

galina1969 [7]

NC18 apparently this is too short of an answer and is not explained well

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3 years ago

What is 7x5+9(2x9)2+3(8+6)5-=___?

Ne4ueva [31]

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3 years ago

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A survey among freshman at a certain university revealed that the number of hours spent studying before final exams was normally

patriot [66]

Answer: 0.0775

Step-by-step explanation:

Given : Mean : $\mu = 25$

Standard deviation : $\sigma =15$

Sample size : $n=36$

Since its normal distribution , then the formula to calculate the z-score is given by :-

$z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

For x= 28.2 hours

$z=\dfrac{28.2-25}{\dfrac{15}{\sqrt{36}}}=1.28$

For x= 30 hours

$z=\dfrac{30-25}{\dfrac{15}{\sqrt{36}}}=2$

The P- value = $P(1.28$

$=P(z$

Hence, the probabiliy that the average time spent stydying for the sampe was between 28.2 and 30 hours = 0.0775

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3 years ago

At a cake sale, David bought 3 cakes and paid $10.50. At the same price, Lisa bought 4 cakes and 8 cookies and paid $14.80. What

Olin [163]

Price of a Cake

10.5/3= 3.5

1 Cake = $3 and 5 cents, 3.5

Price of a cookie

3.5*4=14

14 out of 14.80 was the cost of 4 cakes

Which leaves us with 0.8

8/0.8= 0.1

The Price of 1 cookie is 0.1

1 Cake: 3.5

1 Cookie: 0.1

7 0

3 years ago