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Setler79 [48]
3 years ago
10

12-b=12.5. Solve each equation

Mathematics
2 answers:
KonstantinChe [14]3 years ago
8 0
The answer to this question is 0.5
Hitman42 [59]3 years ago
6 0
Answer:0.5
Explanation: 12.5-12=0.5
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Write the percent as a fraction in simplest form<br><br> 16.24%
Alja [10]
16 24/100 or 16 6/25
3 0
3 years ago
A company has 50 employees all working in the same building.
balandron [24]
Yes it did because 90% of fifty is 45 (50 divided by 10 x 5) and the graph shows that 46 employees left the building within a minute
6 0
2 years ago
Could use some help pls.
Murrr4er [49]

Answer:

9 cans of soup and the 4 frozen dinners were purchased

Step-by-step explanation:

Let x represent the number of cans of soup purchased.

Let y represent the number of frozen dinners purchased.

Lincoln purchased a total of 13 cans of soup and frozen dinners. This means that

x + y = 13

Each can of soup has 250 mg of sodium and each frozen dinner has 550 mg of sodium. The 13 cans of soup and frozen dinners which he purchased collectively contain 4450 mg of sodium. This means that

250x + 550y = 4450 - - - - - - - - -1

Substituting x = 13 - y into equation 1, it becomes

250(13 - y) + 550y = 4450

3250 - 250y + 550y = 4450

- 250y + 550y = 4450 - 3250

300y = 1200

y = 1200/300

y = 4

Substituting y = 4 into x = 13 - y, it becomes

x = 13 - 4 = 9

7 0
3 years ago
What irrational number can be added to pi to get a sum that is rational
m_a_m_a [10]

Answer is  -pi

Let x be this unknown number. Adding on x to pi gets us the expression x+pi

If we set x+pi equal to zero (which is a rational number) and solve for x, we get

x+pi = 0

x+pi - pi = 0 - pi

x = -pi

so adding pi to -pi will lead to 0 since

x+pi = -pi+pi = 0

5 0
3 years ago
PLEASE HELP AND EXPLAIN WELL
Irina-Kira [14]

Answer:

5%

Step-by-step explanation:

so basically we know in 3 years she spent 390 dollars

so 390 divided by 3 is 130

so all we need to do is find this:

130 is what percent of 2600

so the final answer is 5%

5 0
2 years ago
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