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Alenkinab [10]
3 years ago
5

Solve the equation 3x_2=7​

Mathematics
2 answers:
sukhopar [10]3 years ago
7 0
3x-2=7
+2 +2
——
3x=9
_____
3
X=3
valentina_108 [34]3 years ago
4 0

Answer:

x = 3

Step-by-step explanation:

3x = 2 + 7

3x = 9

x = 3

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What is the value of x in the equation -2/3x + 9 = 4/3x - 3 ?​
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Answer:

x = 1/6

Step-by-step explanation:

hope it helps.

x= 1/6

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A motorcycle can go 50 miles using one gallon of gas. About how many gallons of gas will be used to go 150 kilometers? (Hint: 1
gayaneshka [121]

Answer:

The answer to your question is 1.875 gallons

Step-by-step explanation:

Data

distance = 50 mi

volume of gas = 1 gal

volume for 150 km = ?

Process

1.- Convert 50 mi into kilometers

                         1 mile ------------------- 1.6 km

                          x        ------------------ 150 km

                          x = (150 x 1)/1.6

                          x = 93.75 mi

2.- Calculate the gallons wasted

                          1 gallon ----------------- 50 mi

                          x            ---------------- 93.75 mi

                          x = (93.75 x 1)/50

                          x = 93.75/50

                         x = 1.875 gallons

4 0
3 years ago
Tamara finds the sum of two number cubes rolled at the same time. The chart below shows all possible sums from the 36 possible c
Georgia [21]

Answer:

18 times

Step-by-step explanation:

Sample space ; roll of 2 number cubes = 6^2 = 36

Sum of 4 in 2 cube rolls = 3

Probability = required outcome / Total possible outcomes

P(sum of 4) = 3 / 36 = 1 / 12

If number cube is rolled 216 times :

Probability on 1 roll * Number of rolls

(1 / 12) * 216

0.0833333 * 216

= 18

3 0
3 years ago
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