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solmaris [256]
3 years ago
9

the building manager put new door knobs on 4 doors in each apartment there are 3 apartments on each floor and 3 floors in the ap

artment building how many new door knobs did he install
Mathematics
1 answer:
barxatty [35]3 years ago
6 0
(4) x (3) x (3)= (12) x (3)= 36
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solniwko [45]

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Step-by-step explanation:

4 0
3 years ago
List all of the factors of 72
True [87]
Well the factors of "72" is→ 1,2,3,4,6,8,9,12,18,24,36,72

To find the factor(s) "72" just write out the muliples that equals 72 
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3 years ago
Read 2 more answers
PLS HELP ME I ADDED MORE POINTS
ZanzabumX [31]

Answer: D. (-6,2)

Step-by-step explanation:

y = x + 8  

2x + y = -10

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2x + x +8 = -10

x = -6

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4 0
2 years ago
9. Todd makes $9.25 per hour plus a $50 bonus. Todd made $235 this week.
Daniel [21]

Answer:

20 hours

Step-by-step explanation:

use this linear equation

y = 9.25x + 50

plug in 235 for y and solve for x

235 = 9.25x + 50

185 = 9.25x

20 = x

so he worked for 20 hours

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8 0
3 years ago
1. Sarah's current account balance is $2,600. She made a single lump sum amount of
ziro4ka [17]

Answer:

The simple interest that said investment yielded was 3.75% per year.

Step-by-step explanation:

Given that Sarah's current account balance is $ 2,600, and she made a single lump sum amount of $ 2,000 eight years ago into the account, to calculate the equivalent simple interest rate (quoted annually) that she earned the following calculation must be performed:

(2,600 - 2,000) / 8 = X

600/8 = X

75 = X

2,000 = 100

75 = X

75 x 100 / 2,000 = X

7,500 / 2,000 = X

3.75 = X

Thus, the simple interest that said investment yielded was 3.75% per year.

7 0
3 years ago
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