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3 years ago

Simplify the equation for x.

Mathematics

2 answers:

scoray [572]3 years ago

6 0

Answer:

x = 6/5

Step-by-step explanation:

1x/2 + 1x/3 = 4-3

3x/6 + 2x/6 = 1

5x/6 = 1

5x = 6

x = 6/5

LenaWriter [7]3 years ago

4 0

Answer: 6/5

Step-by-step explanation:

Group the variables together on one side and the numbers together on the other.

(5/6)x = 1

x = 6/5

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Please help! Find the x-intercepts of the parabola with vertex (-4, 2) and y-intercept (0, -30). Write your answer in this form:

ch4aika [34]

X1-y1
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-6
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the answer would be -0.2

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3 years ago

31,059 is rounded by ten thousands in math

kifflom [539]

This would be 30,000

8 0

3 years ago

Help would be appreciated :)

Orlov [11]

Answer:

3y-x=-18

Step-by-step explanation:

3y-x=-18

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8 0

3 years ago

Maria has added 2 liters of pure alcohol to 8 liters of a 48% alcohol solution. What is the alcohol concentration of the resulti

ss7ja [257]

Answer:

The alcohol concentration of the resulting solution is 58.4%

Step-by-step explanation:

- At first we must to find the quantity of pure alcohol in the 8 liters

∵ The alcohol concentration is 48% in 8 liters

∴ The quantity of pure alcoholic = $\frac{48}{100}*8=3.84$ liters

- She added 2 liters pure alcohol to the solution that means the solution

increased by 2 liters and alcohol quantity increased by 2 liters

∵ She added 2 liters pure alcohol

∴ The quantity of pure alcohol = 2 + 3.84 = 5.84 liters

∴ The resulting solution = 2 + 8 = 10 liters

- Now we need to find the concentration of alcohol in the resulting

solution

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∵ The resulting solution = 10 liters

∴ The concentrate of alcohol = $\frac{5.84}{10}*100$ % = 58.4%

The alcohol concentration of the resulting solution is 58.4%

5 0

3 years ago

Read 2 more answers

Plz help! anybody. i'll mark brainliest 20 points!!!!

lisabon 2012 [21]

(1) Snow fall in last week = $3 \frac{1}{2}$ inches

Snow fall in today= $5 \frac{3}{4}$ inches

Let us first change mixed fraction to improper fraction.

$\begin{aligned}&3 \frac{1}{2}=\frac{7}{2}\\&5 \frac{3}{4}=\frac{23}{4}\end{aligned}$

Now, make the denominators same.

$3 \frac{1}{2}=\frac{7}{2}=\frac{7 \times 2}{2 \times 2}=\frac{14}{4}$ , $5 \frac{3}{4}=\frac{23}{4}$

Now, find the difference between 14/4 and 23/4.

$\frac{23}{4}-\frac{14}{4}=\frac{9}{4}=2 \frac{1}{4}$

So, compared to last week $2 \frac{1}{4}$ more inches of snow fell today.

(2) Given three times a number, minus nine, equals six times six, divided by four.

Let a number be X.

3X – 9 = 6 × 6/4

(3) To solve the equation:

3X – 9 = 6 × 6/4

3X – 9 = 36/4

3X – 9 = 9

3X = 18

X = 6

5 0

3 years ago