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Mkey [24]
3 years ago
13

At the beginning of 2012 Jacob's saving account had $675.20. He deposited $40 each month and earned $66.50 interest for the year

What was the percent of increase for Jacob's saving account at the end of the year to he nearest whole percent
A.) 37%
B.) 45%
C.) 55%
D.) 81%
Mathematics
1 answer:
meriva3 years ago
5 0
Not sure but i think it’s B
You might be interested in
If a rectangle is altered by increasing its length by 20 percent and its width by 10 percent, its area increases by a percent. W
aleksklad [387]

Answer:

D

Step-by-step explanation:

Remember that the formula for the area of a rectangle is:

A=lw

Where l is the our length and w is our width.

If we increase our length by 20%, this means that we add 20% or 0.2 of our old length to our old length. So, our new length will be:

l_{new}=l+.2l

Combine like terms:

l_{new}=1.2l

Similarly, if we increase our width by 10%, this means that we add 10% or 0.1 of our old width to our old width. So, our new width is:

w_{new}=0.1w+w

Combine like terms:

w_{new}=1.1w

Therefore, our new area will be:

A_{new}=(l_{new})(w_{new})

Substitute 1.2l and 1.1w. This yields:

A_{new}=1.2l(1.1w)

Multiply:

A_{new}=1.32lw

Our old area is:

A_{old}=lw

So, our area increased by a factor of 1.32.

This is the same as 32% of our old area.

So, our answer is D.

And we're done!

5 0
3 years ago
I don't get this plz plz help me thanks
olasank [31]
The circumference of the blue circle is about: 20 cm
The circumference of the orange circle is about: 10 cm
6 0
2 years ago
Y multiple 3 = 3/5 so y =
Rasek [7]
Y × 3 = 3 / 5
y = 3 / 5×3
y = 3/15
y = 1/5

In short, Your Answer would be 1/5

Hope this helps!
7 0
3 years ago
Read 2 more answers
Q2:
anygoal [31]

Answer: rectangular prism

Step-by-step explanation:

4 0
3 years ago
Solve for t:<br>t-3(4-t)=-24​
OleMash [197]

Answer:

t = -3

Steps:

4t - 12 = -24

4t - 12 + 12 = -24 + 12

4t = -12

4t/4 = -12/4

t = -3

7 0
2 years ago
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