2 years ago

PLS HELP WILL MARK BRAINLIEST

Mathematics

1 answer:

Anuta_ua [19.1K]2 years ago

6 0

It’s 112:8 I’m pretty sure:)

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Please help me please

Contact [7]

Answer:

458

Step-by-step explanation:

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2 years ago

Factorize this expression completely <br>using (a-b)² formula<br>3a²- 36a + 108

Novosadov [1.4K]

Answer:

$3a^2 - 36a + 108 = (\sqrt{3}a - 6\sqrt{3} )^2$

Step-by-step explanation:

$3a^2 = (\sqrt{3} a)^2\\108 = 9 \times 4 \times 3= 3^2 \times 2^2 \times 3 = (3\times2 \sqrt{3} )^2 = (6\sqrt{3})^2$

$so, a = \sqrt{3} a \ , \ b = 6\sqrt{3} \\\\(a - b)^2 = a^2 -2ab + b^2\\\\-36a = -2ab\\\\-36a = -2 \times \sqrt{3} a \times 6\sqrt{3}$

Therefore ,

$3a^2 - 36a + 108 = (\sqrt{3}a )^2 - 2(\sqrt{3}a \times 6\sqrt{3} ) + (6\sqrt{3} )^2 = (\sqrt{3}a - 6\sqrt{3} )^2$

6 0

2 years ago

At camp in Green Bay, Wisconsin, 7/9 of the participants were from Wisconsin. Of that group 3/5 were 12 years old. What fraction

In-s [12.5K]

Since the problem stated that 7/9 of the participants were from Wisconsin, so 2/9 of it were not from Wisconsin. Now out of 7/9 participants, 3/5 of them were 12 years old, so 2/5 of them are not 12 years old. Since we now know the fractions, we'll get the equation 7/9 x 3/5 multiply 7 and 3 then divide it to the product of 9 and 5 to have the answer of 7/15. 7/15 of the participants of the camp in Green Bay is from Wisconsin and are 12 years old.

4 0

2 years ago

Read 2 more answers

The scale on a map indicates that 1 inch corresponds to an actual distance of 95 miles. two cities are 4.5 inches apart on the m

arlik [135]

The two cities are actually 427.5 miles apart.

3 0

3 years ago

Please help me with this and dont play around pls

Kisachek [45]

Answer:

Improper fraction = 14/5

Step-by-step explanation:

You see on the fraction strip there Is 14 out of the 15 parts colored in. So out of that answer you can tell the improper fraction would be 14/5 and the mixed number would be 2 4/5.

Hope this Helps!

5 0

2 years ago

Read 2 more answers