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Vikentia [17]
3 years ago
8

Helene invested a total of $1,000 in two simple-interest bank accounts. One account paid 5% annual interest; the other paid 9% a

nnual interest. The total amount of interest she earned after 1 year was $70. Find the amount invested in each account.
Helene invested $ ___ in the 5% interest account and $ ___ in the 9% account.
Mathematics
1 answer:
Alex17521 [72]3 years ago
3 0

Answer:

Step-by-step explanation:

yoooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo thats a test question

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Kim and her 5 friends hiked over a three day weekend hey hiked the same distance each day how many miles did they hike per day?
weeeeeb [17]
Honestly, this would depend how many miles they hiked all together. then you divide it by 3. Until you have the total amount, you don't get a correct answer. 
7 0
4 years ago
One line passes through the points \blueD{(-3,-1)}(−3,−1)start color #11accd, (, minus, 3, comma, minus, 1, ), end color #11accd
mart [117]

Answer:

The lines are perpendicular

Step-by-step explanation:

we know that

If two lines are parallel, then their slopes are the same

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of their slopes is equal to -1)

Remember that

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

<em>Find the slope of the first line</em>

we have the points

(-3,-1) and (1,-9)

substitute in the formula

m_1=\frac{-9+1}{1+3}

m_1=\frac{-8}{4}

m_1=-2

<em>Find the slope of the second line</em>

we have the points

(1,4) and (5,6)

substitute in the formula

m_2=\frac{6-4}{5-1}

m_2=\frac{2}{4}

Simplify

m_2=\frac{1}{2}

<em>Compare the slopes</em>

m_1=-2

m_2=\frac{1}{2}

Find out the product

m_1*m_2=(-2)(\frac{1}{2})=-1

therefore

The lines are perpendicular

8 0
3 years ago
Read 2 more answers
A telephone company charges a fixed monthly rate plus a rate per minute of usage. The company charges $120 for 100 minutes of us
soldi70 [24.7K]
The answer to this is C.
6 0
3 years ago
Mary's team scores 18 points in the first half and 7 points in the second half. Mary scored a total of 5 points. What fraction o
jek_recluse [69]

Answer:

.2 <em>or </em>1/5

Step-by-step explanation:

First, calculate the total points by adding the two half's totals together.

7 + 18 = 25

Now, divide the number of points Mary scored by the total.

5 / 25 = 1/5

7 0
3 years ago
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lys-0071 [83]

Answer:

A B and D

Step-by-step explanation:

4 0
3 years ago
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