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Roman55 [17]
1 year ago
15

What is the answer for x+$4.30 =$15.00 ​

Mathematics
2 answers:
prisoha [69]1 year ago
6 0

Answer:

x = 10.7

Step-by-step explanation:

DIA [1.3K]1 year ago
4 0
X + $4.30 = 15
Let’s flip the equation to make it easier!
15 = x + 4.30
15 - 4.30 = x
10.70 = x
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On Tuesday and Wednesday of last week I left home for school at the same time. On Tuesday I drove 40 mph (miles per hour) on my
meriva

Answer:

16.67 miles

Step-by-step explanation:

We have to:

t = time (in hours) required to arrive on time.

Now the time that is late or earlier, they give it in minutes, therefore it must be spent in hours:

In other words, 3 minutes late is 3/60 hours late, therefore:

t1 = t + 3/60

2 minutes before is 2/60 hours before, therefore:

t2 = t - 2/60

The distance is the same in both directions, so v1 * t1 = v2 * t2

We know that v1 = 40 and v2 = 50 by replacing:

40 * (t + 3/60) = 50 * (t - 2/60)

40 * t + 2 = 50 * t - 5/3

40 * t - 50 * t = -5/3 - 2

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t = 3.6 / 10

t = 0.366 hours = 0.366 * 60 = 22 minutes

That is, in the first case it takes 25 (22 + 3) minutes, therefore:

40 * 25/60 = 16.66 miles

In the second case it takes 20 (22 -2) minutes, therefore:

50 * 20/60 = 16.66 miles

Therefore lives 16.67 miles from work

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3 years ago
Identify the true and false statements about educational inequality in the united states.
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2 years ago
Can someone help me with this!
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Answer:

  2.  x = 18

  3.  x = 7

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Step-by-step explanation:

The simple rules involved here are ...

  • the sum of angles of a triangle is 180°
  • angles forming a linear pair are supplementary (total 180°).

Together, these tell you that the external angle of a triangle has the same measure as the sum of the opposite internal angles. (The third angle is the supplement of the external angle.)

<u>Problem 1</u>

Work shown is correct.

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<u>Problem 2</u>

Using the above observation, ...

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  18 = x

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<u>Problem 3</u>

The angles of an equilateral triangle are 60°, so that is the measure of the marked angle.

  9x -3 = 60

  9x = 63 . . . . . . add 3

  x = 7 . . . . . . . . .divide by 9

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<u>Problem 4</u>

You don't need to find the value of x to answer this question. The base angle of an isosceles triangle is the complement of half the apex angle. This comes from the fact that the two base angles are equal measure.

  (apex angle) + 2(base angle) = 180° . . . . sum of angles in isosceles triangle

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Filling in the given apex angle value, we get ...

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telo118 [61]

Answer:

B

Step-by-step explanation:

b - 3b + 15 - w + 4

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