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hodyreva [135]
2 years ago
14

Which of the following is the factored form of 9y2-121​

Mathematics
1 answer:
lukranit [14]2 years ago
4 0
It's the first one.

If you work backwords, I'd say it's easier. 3y swuared is 9y2, and 11 squared is 121. Then just keep the sign the same
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How many trolley cars are needed to hold all the passengers? Write as a mixed number
Oksanka [162]

Answer:

46\frac{1}{8}

Step-by-step explanation:

<u><em>Formulate</em></u>

<u><em /></u>1845\div40

<u><em>Calculate</em></u>

<u><em /></u>\frac{1845}{40}

<u><em>Cross out the common factor</em></u>

<u><em /></u>\frac{369}{8}

<u><em>Write </em></u>\frac{369}{8} <u><em>as a mixed fraction</em></u>

<u><em /></u>46\frac{1}{8}

<em>I hope this helps you</em>

<em>:)</em>

7 0
2 years ago
What is the value of 4p − 2, when p = 8
ddd [48]
If P=8, Then you would plug in 8 for P. 

4(8)-2 = 30 

Hope this helps :)
4 0
3 years ago
Read 2 more answers
PLS HELP DUE SOON GIVING BRAINLIEST
kupik [55]
102 and 102

72 and 72

142 and 142
6 0
2 years ago
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Sixty percent (60%) of those who attended the soccer game were parents. There were 120 people who
IrinaVladis [17]

Answer:

72

Step-by-step explanation:

<u>Given:</u>

There were 120 people in total.

60% were parents.

<u>To find:</u>

Number of parents attended.

Solution:

1. 60% of 120

It can also be written as:

\frac{60}{100}\times \frac{120}{1}

Simplify

  • Cancel zeros

\frac{60}{100}\\\\=\frac{6}{10}

  • Divide by common factor (2)

\frac{6\div2}{10\div2}=\frac{3}{5}

2. \bold{\frac{3}{5}\times \frac{120}{1}}

Multiply

\frac{3\times120}{5\times1} = \frac{360}{5}

Divide

\frac{360}{5}= 360\div5=72

Therefore, 72 parents attended the game.

4 0
2 years ago
Please answers asap i will give brainmaster
Troyanec [42]

Answer:

fourth and fifth

Step-by-step explanation:

If George gets a 20% raise, that means he will now earn

$445 + $445*20% = $445 + $445*0.2 = $445*1 + $445*0.2 = $445*(1 + 0.2) = $445 * 1.2

So we know the fourth is correct.

We also know that current pay is 100% of current pay and the new pay will be 120% of current pay, so x/455 must be equal to 120% / 100% which is equal to 120/100, so fifth is correct too.

8 0
2 years ago
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