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Afina-wow [57]
2 years ago
6

Math giving 29 points

Mathematics
1 answer:
Alexeev081 [22]2 years ago
8 0
How many do you want me to answer? I will answer in the comments :)
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Will you help me?
Volgvan

Answer:

The length side of the original square banner was 9 ft

Step-by-step explanation:

Let

x-----> the length side of the original square banner

we know that

The new area of the banner is equal to

91=(x+4)(x-2)

Solve for x

91=(x+4)(x-2)\\ \\91=x^{2}-2x+4x-8\\ \\x^{2}+2x-99=0

Solve the quadratic equation by graphing

The solution is x=9 ft

see the attached figure

8 0
3 years ago
James had $15,345.21 withheld from his income one year. He
puteri [66]

Answer:

$2,373.23

Step-by-step explanation:

-Tax refund is determined by comparing your total income tax to the amount that was withheld for federal income tax.

-Assuming that the amount withheld for federal income tax was greater than your income tax for the year, you will receive a refund for the difference.

#Refund =Withheld -Actual Tax liability=$15345.21-$12971.98=$2,373.23

Hence James' tax refund will be $2,373.23

5 0
3 years ago
Median of 70 61 87 85 72 65 86 80 90 60 63 81 75 77 67
liberstina [14]
I am pretty sure that the median is 80, correct me if I'm wrong :)
7 0
3 years ago
Read 2 more answers
Equivalent expression for 18x and 9y
alukav5142 [94]
18x+9y
9x+y
x+1/9y
2x+4.5y
x+2.25y
4 0
3 years ago
When is estimating an effective tool
aev [14]
Whaen it says round to the nearest 
6 0
3 years ago
Read 2 more answers
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