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torisob [31]
2 years ago
14

Last two!!(ty for all the help) :

Mathematics
2 answers:
malfutka [58]2 years ago
7 0
With the b2+b- 12 your gonna want to do this
b2+b-12
b2+4b-3b-12
which is the sum product
after doing that you wanna common the factors from the two pairs. Which is b2+4b-3b-12 then you do you parentheses around b(b+4)-3(b+4) just like that after you do that then you rewrite it in factored form b(b+4)-3(b+4) you then want to rewrite it to this (b-3)(b+4) after that your solution will be (b-3)(b+4) for the first one.
scoray [572]2 years ago
6 0
(B-3)(b+4) is the answer to the solution
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Rewrite each fraction in simplest form using the GCF of the numerator and denominator.
Elanso [62]

Answer:

\sf 6. \quad \dfrac{7}{10}

\sf 7. \quad \dfrac{5}{17}

Step-by-step explanation:

<h3><u>Question 6</u></h3>

To find the greatest common factor (GCF), first list the prime factors of each number:

  • 42 = 2 × 3 × 7
  • 60 = 2 × 2 × 3 × 5

42 and 60 share one 2 and one 3 in common.

Multiply them together to get the GCF:  2 × 3 = 6.

Therefore, 6 is the GCF of 42 and 60.

Divide the numerator and the denominator by the found GCF:

\implies \sf \dfrac{42 \div 6}{60 \div 6}=\dfrac{7}{10}

<h3><u>Question 7</u></h3>

To find the greatest common factor (GCF), first list the prime factors of each number:

  • 80 = 2 × 2 × 2 × 2 × 5
  • 272 = 2 × 2 × 2 × 2 × 17

80 and 272 share four 2s in common.

Multiply them together to get the GCF:  2 × 2 × 2 × 2 = 16.

Therefore, 16 is the GCF of 80 and 272.

Divide the numerator and the denominator by the found GCF:

\implies \sf \dfrac{80 \div 16}{272 \div 16}=\dfrac{5}{17}

5 0
1 year ago
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Does the X in math really represent that it value is still unknown?
belka [17]

Answer:Yes

Step-by-step explanation:

5 0
3 years ago
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--
lara [203]
21 I hope this helps :)
5 0
3 years ago
Plsss helpppp urgentttt​
romanna [79]

Answer:

B=100

Step-by-step explanation:

A=100

C=100 (opposite angles are equal0

B=D= 100

complementary angles are 180 so

180-80=100

4 0
2 years ago
A rectangular tank with a square​ base, an open​ top, and a volume of 5324 ft cubed is to be constructed of sheet steel. Find th
ira [324]

Answer:

Step-by-step explanation:

I can't unless you give me the length and width or its impossible

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3 years ago
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