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antoniya [11.8K]
2 years ago
8

Simplify the expression: 4 ( x+3) +5(5-x)

Mathematics
1 answer:
ICE Princess25 [194]2 years ago
3 0
The answer is -x+37 .......
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John has a circular pool that has a radius of 7 feet. What is the area of his pool? Please use the formula sheet to assist you w
andrew-mc [135]

Answer:

153.86 square feet

Step-by-step explanation:

The formula for the area of a circle is A=πr2

area = pi x radius squared

the radius is 7 feet, square that to get 49

multiply 49 by pi to get the area: 153.86 square feet

5 0
2 years ago
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(x2−1)(x+1)≥0. pls help me​
docker41 [41]

Step-by-step explanation:

(x²-1)(x+1)≥0

As it has two multiples,

Therefore,

Either,

x²-1≥0

x²≥0+1

x²≥1

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x≤1

Or,

x+1≥0

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7 0
2 years ago
Brett tallies up the transactions in his check register and comes up with a total balance of $248.53, but his bank statement say
Veseljchak [2.6K]
I'm 100% sure the answer is d. II and IV

because $257.72 - $248.53 = $9.19

and $73.98 - $64.79 - 9.19

i hope this helps :)
7 0
3 years ago
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Find the minimum value of the <br> parabola<br> y = x2 − 4x − 5 .
enot [183]

Answer:

-2x-5

Step-by-step explanation:

8 0
3 years ago
Determine which postulate can be used
Kruka [31]

Answer:

SAS postulate

Step-by-step explanation:

The triangles have two congruent sides and one congruent angle. The congruent angle is the included angle. This meets SAS criteria.

<u>Hope this helps :-)</u>

3 0
3 years ago
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