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Sidana [21]
3 years ago
9

Solve for x: 4(3x8-x)=4

Mathematics
2 answers:
mr_godi [17]3 years ago
7 0

Answer:

x=23

Step-by-step explanation:

4(3\cdot8-x)=4

Divide both sides by 4:

\implies 3\cdot8-x=1

Add x to both sides:

\implies 3\cdot8=x+1

Multiply 3 × 8:

\implies 24=x+1

Subtract 1 from both sides:

\implies 23=x

poizon [28]3 years ago
5 0

Step-by-step explanation:

4\left(3\cdot \:8-x\right)=4

\mathrm{Divide\:both\:sides\:by\:}4

\frac{4\left(3\cdot \:8-x\right)}{4}=\frac{4}{4}

Simplify

24-x=1

\mathrm{Subtract\:}24\mathrm{\:from\:both\:sides}

24-x-24=1-24

Simplify

-x=-23

\mathrm{Divide\:both\:sides\:by\:}-1

\frac{-x}{-1}=\frac{-23}{-1}

Simplify

x=23

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Step-by-step explanation:

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4 years ago
Read 2 more answers
A scientist had 3 1/2 liters of vinegar. He poured 2/3 of the vinegar into beaker. He then used 3/5 of the vinegar in the beaker
valentinak56 [21]

Answer:

A)2100 ml

Step-by-step explanation:

Given total vinegar is 3 1/2 liters and the used vinegar is  3/5 of the vinegar in the beaker:

#First calculate the amount of vinegar not poured in the beaker:

V_o=V_t-V_b\\\\=3\frac{1}{2}(1-\frac{2}{3})\\\\=1\frac{1}{6}

#Calculate amount of vinegar used in experiment:

V_b=\frac{2}{3}V_t=\frac{2}{3}(3\frac{1}{2})=2\frac{1}{3}\\\\V_u=\frac{3}{5}V_b=\frac{3}{5}\times 2\frac{1}{3}=1\frac{2}{5}

#The unused vinegar is therefore calculated by subtracting the used vinegar from the total at the start of the experiment:

V_r=V_t-V_u\\\\=3\frac{1}{2}-1\frac{2}5}\\\\=2\frac{1}{10}\times 1000\ ml\\\\=2100\ ml

Hence, the unused vinegar is 2100 ml

8 0
4 years ago
Rate of change and unit rate basically<br> mean the same thing.<br><br> false or True?
enot [183]

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3 years ago
Combine these radicals. 3/5 + 2/45
Jet001 [13]

Answer:

(3√3 + 3√10)/3√5

Step-by-step explanation:

Radical means square root.

√3/5 + √2/45 = (3√3 + 3√10)/3√5

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3 years ago
If right you get brainiest!
denis23 [38]

Answer:

20 mph

Step-by-step explanation:

time = distance / speed

speed up stream = s - 4

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80 = 4s

Divide both sides by 4

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20mph

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3 years ago
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