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Elena-2011 [213]
3 years ago
11

Solve the following formula for a.

Mathematics
1 answer:
katrin2010 [14]3 years ago
5 0

Answer:

B is correct .trust me

Step-by-step explanation:

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In May Mr. Lee's earings were 60 percent of the Lee family's total income. In June Mr. Lee earned 20 percent more than in May. I
murzikaleks [220]

Answer: 64.29%

Step-by-step explanation:

Let the total earnings of the Lee family in May be x

Amount earned by Mr Lee in May = 60% of x = 0.6x

Amount earned by other family members in May = x - 0.6x (total earnings - Mr Lee's earnings) = 0.4x

Amount earned by Mr Lee in June = 20% more than what Mr Lee earned in May.

That is, amount earned by Mr Lee in June = 1.2 × 0.6x = 0.72x

Amount earned by other members of the family in June remains unchanged, that is = 0.4x

Total amount earned by the Lee family in June = 0.72x + 0.4x = 1.12x

Percentage of total earnings in June earned by Mr. Lee = (0.72x/1.12x) × 100% = 64.29%.

QED!

6 0
4 years ago
What is the width of this shape
77julia77 [94]
We see that the area is 159 3/8 and the length is 18 3/4.

Because the area is the length*width, to find the width, we must divide the area by the length.

Think of it this way:
A = l*w

Divide l on both sides:
\frac{A}{l} = w

And w is what we're looking for.
So, divide 159 3/8 by 18 3/4. 

You should get that the width is 8.5 feet :)
7 0
3 years ago
Solve the following inequality for the variable and graph the solution on the number line.
Likurg_2 [28]

The solved inequality is t > 12.

Divide both sides by 9 to isolate the variable.

9t becomes t, and 108 becomes 12.

<u>We do not flip the sign because we are dividing by a </u><u>positive</u><u>.</u>

5 0
3 years ago
Write the equation of the line that passes through (−1, 5) and has a slope of 3 in point-slope form. (2 points)
Sonbull [250]
-1 = 3(5) + b
-1 = 15 + b
-16 = b

y = 3x -16
y - 5 = 3(x +1)
8 0
4 years ago
I need help with a question I'll give brainliest answer to whoever helps.
zepelin [54]
D. it represents the product of two rational numbers and is equivalent to an irrational number
5 0
3 years ago
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