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Rufina [12.5K]
3 years ago
10

Rewrite the equation below so that it does not have fractions, Do not use decimals in your answer.

Mathematics
1 answer:
Paul [167]3 years ago
7 0

Answer:

74/15

Step-by-step explanation:

\frac{3}{4}x - 3 = \frac{7}{10}

to remove fractions multiply each side of equation by 40

3/4x(40) - 3 = 7/10(40)

120/4x - 120 = 280/10

simplify:

30x - 120 = 28

add 120 to each side to get:

30x = 148

x = 148/30 or 74/15 simplified

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Given the points (2,k) and (0,−6), for which values of k would the distance between the points be 5–√ ?
natka813 [3]

The value of k are -5 and -7 if the distance between points (2,k) and (0,−6) is √5

<h3>What is a distance formula?</h3>

It is defined as the formula for finding the distance between two points. It has given the shortest path distance between two points.

The distance formula can be given as:

\rm d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

The question is:

Given the points (2,k) and (0,−6), for which values of k would the distance between the points be √5

\rm \sqrt{5}=\sqrt{(0-2)^2+(-6-k)^2}

5 = 4 + (6 + k)²

After solving:

\rm 4+\left(6+k\right)^2-4=5-4

(6 + k)² = 1

k = -5 or -7

Thus, the value of k are -5 and -7 if the distance between points (2,k) and (0,−6) is √5

Learn more about the distance formula here:

brainly.com/question/18296211

#SPJ1

8 0
2 years ago
A chemist needs 2,220 ml of potassium chloride to complete an experiment. She has 2 L. How many more liters does she need?
DerKrebs [107]

Answer:

  0.220 L

Step-by-step explanation:

One liter is 1000 mL, so 2,220 mL is 2.220 L. Subtracting the 2 L on hand gives the additional amount required:

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_____

The nice thing about metric units is that conversion factors are often powers of 10, so only movement of the decimal point is required. It can be worthwhile to become familiar with the SI prefixes.

7 0
3 years ago
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