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Yakvenalex [24]
2 years ago
10

1. An unknown number of liters of mixture containing 6% boric acid is to be mixed with 2 liters of

Mathematics
1 answer:
Nonamiya [84]2 years ago
4 0

Answer:

0.4

Step-by-step explanation

2/0.15+x/0.06=x+2/0.12

30=x/0.12+2/0.12

1.6+2x=x+2

x=0.4

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If a woman get 7000 dollars for every 3 hour how much will she make for 81 hours
vovikov84 [41]

Answer:

567000 dollars

Step-by-step explanation:

Straightforward if 7000 for 3 hours then 3*27=81 and 7000*81=567000

5 0
2 years ago
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What is the slope of the line that passes through the points (10,5) and (9,5)? Write
Alex_Xolod [135]

Answer:

slope of line is 0.

Step-by-step explanation:

Slope of a line passing through (x1,y1) and (x2,y2) is given by

m = (y2-y1)/(x2-x1)

Given points are  (10,5) and (9,5)

thus

slope = (5-5)/(9-10) = 0/-1 = 0

Thus, slope of line is 0.

When slope of line is zero it means that the line the which passes through given point is parallel to x-axis.

4 0
3 years ago
Which number sentence correctly solves this problem? There were 52,165 people at the soccer game on Friday. There were 49,872 pe
Romashka [77]

Answer: D.


Step-by-step explanation:


52,165 + 49,872 = 102,037


8 0
3 years ago
Jina received a $70 gift card for a coffee store. She used it in buying some coffee that cost $7.51 per pound. After buying the
dem82 [27]

Answer: 3 pounds

Step-by-step explanation:

The equation can be set up according to slope form: y=mx+b where x represents cost per round.

$70 = $7.51x + $47.47

Subtract 47.47 to both sides: $22.53 = $7.51x

Divide both sides by 7.51: 3 = x

4 0
3 years ago
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The question is in the screenshot
zmey [24]
Correct probability : 3/7

To find the correct probability, Noura needs to count ALL of the times she tossed the coin. To find that we just add 15 + 20, which equals 35.

Then to calculate the probability she will get heads is out the number of heads landed over the amount of times the coin was flipped.

15/35

We then simplify this fraction by dividing the top and bottom both by 5.

This leaves us with the answer of 3/7.
3 0
3 years ago
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