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Lunna [17]
3 years ago
12

Please answer !!! quickly thank you! ​

Mathematics
2 answers:
pshichka [43]3 years ago
8 0

Answer:

This line has zero slope.

Step-by-step explanation:

The slope of the line doesn't change it just stays straight.

lukranit [14]3 years ago
6 0

Answer:

B) this line has zero slope.

Step-by-step explanation:

it doesn't increase or decrease. it is a constant; zero

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A chemical company mixes pure water with their premium antifreeze solution to create an inexpensive antifreeze mixture. The prem
katrin [286]

Amount of water = 260 gallons

Amount of antifreeze = 60 gallons

Explanation:

let the amount of water = w

amount of water + amount of antifreeze will give 320 gallons of mixture

w + amount of antifreeze = 320

amount of antifreeze = 320 - w ...(1)

The concentration for the antifreeze = 80% = 0.8

The concentration of the mixture = 15% = 0.15

From our question, we are mixing antifreeze with pure water (two different things). In our calculation, we can write the concentration in terms of water or in terms of antifreeze.

Writing the concentration in terms of amount of antifreeze

0.8(amount of antifreeze) + percent of antifreeze (amount of water) = concentraton of the mixture

The mixture contains 15% antifreeze

water contains no antifreeze, percent = 0

0.8(320 - w) + 0(w) = 0.15(amount of mixture)

0.8(320 - w) + 0 = 0.15(320)

256 - 0.8w + 0 = 48

256 - 0.8w = 48

collect like terms:

256 - 48 = 0.8w

208 = 0.8w

divide both sides by 0.8:

208/0.8 = w

w = 260

substitute for w in equation (1)

amount of antifreeze = 320 - 260 = 60

Amount of water = 260 gallons

Amount of antifreeze = 60 gallons

3 0
1 year ago
Need help asap this is due in 20 min!!! i will gove brainliest too! questions 8-11
andreev551 [17]

8. x= 7

9. x= 9

10. x= -10

11. x= -18

7 0
3 years ago
What was Jada’s error?
alukav5142 [94]
The correct answer is: "Jada should have multiplied both sides of the equation by 108"

The goal of this equation is to isolate x, which is something that Jada failed to do. And the only way to isolate x is to multiply each side by 108, since it is the reciprocal of \frac{1}{108}
8 0
3 years ago
13 52<br> — = —<br> 6 X<br> Solve for x please answer quickly
OleMash [197]

Answer:

1/24

Step-by-step explanation:

13/6x = 52

1/6x = 52/13

1/6x = 4

1 = 4(6x)

1 = 24x

24x = 1

x = 1/24

8 0
3 years ago
Can someone help me pls
Vlad [161]

Answer:

70°

Step-by-step explanation:

If arc BY is 40, angle BAY is 20.

BAC is 90.

90-20 is 70.

m<YAC=70

8 0
3 years ago
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