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HACTEHA [7]
3 years ago
11

In 1978, the amount of earnings required to earn one Social Security credit was $250. Thirty-eight years later, in 2016, the amo

unt was $1260. What was the percent increase in the amount required to earn a credit over this 38-year span?
Mathematics
1 answer:
lys-0071 [83]3 years ago
4 0

Answer:

404%

Step-by-step explanation:

To find the percentage difference do the following: (FV - SV)/|SV| * 100

(1260 - 250)/|250| * 100 <em>{Subtract 250 from 1260 to get 1010. The absolute value of 250 is 250.}</em>

1010/250 * 100 <em>{Divide 1010 by 250 to get 4.04, or 101/25.}</em>

101/25 * 100/1 <em>{CROSS CANCELLATION}</em>

101 * 4 <em>{Multiply 4 by 101 to get 404.}</em>

404%

The percent increase in the amount required to earn a credit over 38 years is 404%.

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Frank is making a pennant in the shape of a triangle for his senior class photo. He wants the base length of this triangle to be
Sav [38]

Answer:

Height should be ≤ 9 inches.

Step-by-step explanation:

Given:

Frank is making a pennant in the shape of a triangle for his senior class photo.

Base of triangle = 6 in

Area of triangle ≤ 27 in^2

Let height of the triangle be h

Now we now that,

Area of triangle = \frac{1}{2}\times base \times height

\frac{1}{2}\times 6 \times h \leq 27\\\\3h\leq 27\\\\h\leq \frac{27}{3}\\\\h\leq 9 \ in.

Hence the height of the triangle must be at most or ≤ 9 inches.

5 0
3 years ago
A line passes through the point (-7, 5) and has a sloe of 1/2. Which is another point that the line passes through?
Mekhanik [1.2K]

The point through which the same line is passing will be (9,13) so option (C) will be correct.

<h3>What is a line segment?</h3>

A line section that can connect two places is referred to as a segment.

A line segment is just part of a big line that is straight and going unlimited in both directions.

The line is here! It extends endlessly in both directions and has no beginning or conclusion.

The equation of any line with slope m can be given as

y = mx + c

Given,

slope m = 1/2

Point of passing  (-7, 5)

So,

5 = -7/2 + c ⇒ c = 17/2

So the equation will be,

y = x/2 + 17/2

2y = x + 17

Now checking all points (9,13) is satisfying.

2(13) = 9 + 17

26 = 26

Hence point (9,13) is passing through the line.

For more about line segment

brainly.com/question/25727583

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7 0
2 years ago
I'LL GIVE U BRAINLY IF U ANSWER CORRECTLY Willie runs 5 miles in 20 minutes. If Willie runs at the same rate, how many miles can
elena55 [62]

Answer:

Willie will run 7 miles in 28 minutes.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
A surveyor on one side of a river wishes to find the distance between points a and b on the opposite side of the river. On her s
Tcecarenko [31]
Question not clear, i think it's incomplete else sorry
5 0
2 years ago
(I need someone to answer fast please and a clear answer too so ill mark them as brainlyest) :)
AVprozaik [17]

Answer: 12.6 m

Step-by-step explanation:

Use the pythagorean theorem, we get that the height, or x, is

sqrt(22x22-18x18) = sqrt(484-324) = sqrt(160) = 4sqrt(10) = 12.6 m

4 0
2 years ago
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