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8_murik_8 [283]
3 years ago
10

8.4 + 0.18x = 0.32x

Mathematics
2 answers:
Olenka [21]3 years ago
7 0

Answer:

x=60

Step-by-step explanation:

Let's solve your equation step-by-step.

8.4+0.18x=0.32x

Step 1: Simplify both sides of the equation.

0.18x+8.4=0.32x

Step 2: Subtract 0.32x from both sides.

0.18x+8.4−0.32x=0.32x−0.32x

−0.14x+8.4=0

Step 3: Subtract 8.4 from both sides.

−0.14x+8.4−8.4=0−8.4

−0.14x=−8.4

Step 4: Divide both sides by -0.14.

−0.14x

−0.14

=

−8.4

−0.14

x=60

Answer:

x=60

bogdanovich [222]3 years ago
3 0

Answer:

  x = 60

Step-by-step explanation:

Perhaps you want the solution to this equation.

Subtract 0.18x from both sides:

  8.4 = 0.14x

Divide by the coefficient of x.

  8.4/0.14 = x = 60

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Answer:

34 km/h

Step-by-step explanation:

speed = distance/time

Distance = 17km

Time = 0.5 or 1/2 hours because it's 30 minutes between 17:15 to 17:45, and 30 minutes is a half of an hour and you want km over hours

So

speed = 17/0.5

speed = 34 km/h

7 0
2 years ago
Help plz i’ll give extra points
swat32

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3 years ago
Question 1 of 10
Archy [21]

Answer:

A. y = 7(x + 1)²-3

Step-by-step explanation:

Parabola:

y = 7x^{2} + 14x + 4

y = 7(x^{2} + 2x) + 4

Putting into vertex form, remember that:

(x + a)^{2} = x^{2} + 2ax + a^{2}

In this question:

x^{2} + 2x, to put into this format:

x^{2} + 2x + 1 = (x + 1)^{2}

We add one inside the parenthesis to do this. The parenthesis is multiplied by 7, so for the equivalent, we also have to subtract 7. Then

Vertex form:

y = 7(x^{2} + 2x + 1) + 4 - 7

y = 7(x + 1)^{2} - 3

So the correct answer is:

A. y = 7(x + 1)²-3

3 0
3 years ago
Please help !!! I don’t understand 25 points !
Goryan [66]

Answer: Triangle VUT:

84:70:42

Triangle RSQ:

30:25:15

Final simplified answer: 2.8:2.8:2.8

Scale factor of 2.8

Step-by-step explanation:

Each triangle's sides are a part of the ratio, then you divide each side by the corresponding one (84 by 30, and 70 by 25) to get your scale factor.

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1 year ago
What 4 2/5 as a improper fraction
Neporo4naja [7]

The answer is 22/5


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To double check, divide 22 by five and you should get 4.4, or 4 2/5 as a fraction

7 0
3 years ago
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