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Dmitry [639]
3 years ago
9

Help please!!! In y = mx + b form

Mathematics
1 answer:
nekit [7.7K]3 years ago
4 0

Answer: y=7+-7

Step-by-step explanation:

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A chemist is using 362 milliliters of a solution of acid and water. If 12.1% of the solution is acid, how many milliliters of ac
PSYCHO15rus [73]

Answer:

The answer to your question is 43.8 mL of acid.

Step-by-step explanation:

Data

Total volume = 362 ml

12.1 % is acid

The Volume of acid = ?

Process

1.- Use the rule of three and cross multiplication to solve this problem.

               362 ml ------------------- 100%

                    x       -------------------  12.1 %

                    x = (12.1 x 362) / 100

                    x = 4380.2 / 100

                    x = 43.802 ml

2.- Round your answer to the nearest tenth.

                        43.802   only consider the first decimal

                        43.8 mL

3.- Conclusion

    A 12.1% solution of acid has 43.8 mL of acid.

6 0
3 years ago
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Solve x^2 + 2x - 48 = 0
Georgia [21]

Answer:

x = - 8, x = 6

Step-by-step explanation:

{x}^{2}  + 2x - 48 = 0 \\  \\  {x}^{2}  + 8x - 6x - 48 = 0 \\  \\ x(x + 8) - 6(x + 8) = 0 \\  \\ (x + 8)(x - 6) = 0 \\  \\ x + 8 = 0 \:  \: or \:  \: x - 6 = 0 \\  \\ x =  - 8, \:  \:  \:  \: x = 6 \\

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3 years ago
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Please please help me
Anastaziya [24]

Answer: For every 7 followers Brianna has Mia has 1 follower

Hope this helps

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Jodha wants to tip the pizza delivery person 20%. If the cost of the pizzas is $15.99, what would be a reasonable amount to tip?
Lunna [17]

Answer:

$3.20

Step-by-step explanation:

20%-> .20

15.99*.20

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3 years ago
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What is the slope and y-intercept of 5x+4y=16<br> Also put the equation in slope intercept form.
Arturiano [62]
Y=mx+b
m=slope
b=y intercept
just solve for y


5x+4y=16
minus 5x both sides
4y=-5x+16
divide both sides by 5
y=(-5/4)x+4

slope=-5/4
y intercept is y=4
7 0
3 years ago
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