3 years ago

how would you solve this problem? I don't know how to find the 2nd term, but I already found the first and 3rd term. (7-3x)^2

Mathematics

2 answers:

gogolik [260]3 years ago

5 0

Answer:

7-3=4x2=8 maybe i dont know

TEA [102]3 years ago

3 0

Answer:

Step-by-step explanation:

FOIL ? know it? first, outside , inside , last

(7-3x)(7-3x)

49 -21x -21x + 9 $x^{2}$

49 - 42x + 9 $x^{2}$

write it in descending order ( of x )

9 $x^{2}$ -42x + 49

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Inscribed angles<br> Please help!!!!!!!! With explanation!!!!!

emmasim [6.3K]

Answer:

a = 72° b = 88°

Step-by-step explanation:

We know in the cyclic quadrilateral opposite angles are supplementary so

a + 108° = 180° { being opposite angles of cyclic quadrilateral }

a = 180° - 108°

a = 72°

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b = 180° - 92°

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3 0

3 years ago

Robby has 9 coins that total $2.15. if he only has nickels and dimes, write the system of equations.

Illusion [34]

Let's assume

number of nickels =n

number of dimes =d

we are given

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so, we get

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and

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so, total amount is

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total amount =$2.15

so, we get

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$n+d=9$

$0.05n +0.10d=2.15$ ................Answer

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3 years ago

Manuel has four pieces of bubble gum. His friend gives him nine more pieces. By what percent has Manuel’s amount of bubble gum c

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Answer:

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Step-by-step explanation:

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3 years ago

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melisa1 [442]

700,000 + 20,000 + 80

there are no exponents

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3 years ago