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Kruka [31]
3 years ago
13

X-10%=y y-30%=z z-p=42 x=?

Mathematics
1 answer:
babunello [35]3 years ago
6 0
442 the answer cause if you add you will get 442
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Mary had $25,000 to invest. She invested part of that amount at 3% annual interest and part at 5% annual interest for one year.
emmasim [6.3K]
(25000-f)(.03)+.05f=1100

750-.03f+.05f=1100

750+.02f=1100

.02f=350

f=$17500

So Mary invested $17500 @ 5% and 7500 at 3% to earn $1100 in interest.


3 0
3 years ago
I need answers I’ll cash app 10 dollars
posledela

1. 0 > 3x - 3 - 6

0 > 3x -9

9 > 3x

3 > x

It would be a closed circle starting from 3 going to the right.

2. 4x + 1 - 1 >/ -8

4x >/ -8

x >/ -2

It would be an open circle starting from -2 going to the right.

3. -1 </ 2n + 4 - 5

-1 </ 2n -1

0 </ 2n

Undefined.

4. -6 > 5n + 5 + 4

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-15 > 5n

-3 > n

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4 0
3 years ago
A pine tree grows about 18 inches per year. After how many years will the tree be 90 inches tall? [Type your answer as a number.
Monica [59]

5 years because when you divide 90 by 18 to get how many years it takes the tree to grow to 90 inches tall, you get 5.

3 0
3 years ago
Sarah bought 7 more songs than Betsy.If Sarah bought 21 songs from Apple Music, how many songs did Betsy buy?
kipiarov [429]
21-7 = 14
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4 0
3 years ago
julio is payed 1.4 times his normal hourly rate for each hour he works over 30 hours in a week last week he worked 35 hours and
Morgarella [4.7K]
Divide 30/1.4 and 436.60 should give uu how much he makes in his normal hourly rate multiply that by 5 and subtract that number from 436.60
7 0
3 years ago
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