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Ber [7]
3 years ago
11

Susie opens a simple interest checking account. After 6 months, her account grew from $500 to $508.75. What is the interest rate

on her account?
Mathematics
1 answer:
sammy [17]3 years ago
8 0

Answer:

3.5 %

Step-by-step explanation:

508.75 - 500 = 8.75

8.75 = (500) (0.5)

8.75/250 = (250)/250

.035

Move the decimal two places to the right to get 3.5%.

Hope this helps and best of luck!

Feel free to message me if you need more help! :)

You might be interested in
Determine the perfect cube whole number closest to 205 632
max2010maxim [7]

Answer:  205,209

Step-by-step explanation:

We want to find a perfect cube that is closest to the number N = 205,632

A perfect cube number is a number such that the square root is a whole number.

Now, to search this number we must take the square root of N:

n = √(205,632) = 453.47

Now, we can round it down or up and get whole numbers, and the squares of those whole numbers will be perfect squares that are near 205,632, lets start with rounding down.

n = 453

the square of 453 is:

453^2 = 205,209

If instead we round up the  453,47, we would get:

n = 454

and the square will be

n = 454^2 = 206,116

Now, to see which one is closser to N, we can take the differences:

205,632 -  205,209 = 423

206,116 - 205,632 = 484

so if we take n = 453 we are closser no N, then the perfect square that is closest to 205,632 is 205,209

8 0
4 years ago
Drag each statement to show whether it is true, based on the graph.
brilliants [131]

Answer:

The price per one pound of almonds equal $2.20/0.65 lb

0.65 pounds of almonds cost $2.20

Step-by-step explanation:

Verify each case

case 1) The price per one pound of almonds equal $2.20/0.65 lb

<em>The statement is true</em>

To find the price per one pound calculate the unit rate

so

$2.20/0.65 lb=$3.38 per one pound

case 2) 2.2 pounds of almonds cost $0.65

The statement is not True

The correct is 0.65 pounds of almonds cost $2.2

case 3) Each bag of almonds weighs 2.2 pounds

Cannot be determined

In the problem there is no information about how much each bag of almonds weighs

case 4) 0.65 pounds of almonds cost $2.20

The statement is True

The point (0.65,2.20) lie to the line of the the graph

6 0
4 years ago
Read 2 more answers
A quality inspector must verify whether a machine that packages snack foods is working correctly. The inspector will randomly se
Zina [86]

Answer: 52

Step-by-step explanation:

Formula for sample size:-

n= (\dfrac{z_{\alpha/2\cdot \sigma}}{E})^2

, where \sigma = population standard deviation.

z_{\alpha/2} = Two -tailed z-value for {\alpha (significance level)

E= margin of error.

Given : tex]\sigma=\text{ 0.30 ounce}[/tex]

⇒Significance level for 99.6% confidence level :\alpha=1-0.996=0.004

By using z-value table ,Two -tailed z-value for \alpha=0.01:

z_{\alpha/2}=z_{0.002}=2.878

E= 0.12 ounces.

Minimum sample size will be :-

n= (\dfrac{2.878\cdot 0.30}{0.12})^2\\\\= (7.195)^2\\\\=51.768025\approx52

Hence, the minimum sample size  for the number of packages the inspector must select = 52

7 0
3 years ago
8 to the fifth power
german

Answer:

32786

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
4. If the area of a semi-circle is 100.48 square inches, what is the radius
sp2606 [1]
If we take the area which is 100.48, and multiply it by 2 because it’s obviously a semi-circle and we’re looking for the radius, we will get 200.96. Then we divide it by 3.14 to get 64. Then square root 64 to get 8. So it’s B.
6 0
3 years ago
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