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Georgia [21]
4 years ago
10

PLS HELPP ILL MARK BRAINLIST { have to get it right }

Mathematics
1 answer:
Sonbull [250]4 years ago
6 0

Answer:

=1

=−7

Step-by-step explanation:

(+3)2−5=11

(+3)(+3)−5=11

2+3+3+9−5=11

2+6+9−5=11

x-1=0

x+7=0

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2
maksim [4K]

Answer:

y-5=3(x- (-9)

Step-by-step explanation:

3 0
3 years ago
Pls answer this question I give brainliest thank you! Number 2
zzz [600]

Answer:

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Solve the quadratic function by completing the square. What are the missing pieces in the steps?
Anna [14]

Answer:

Step-by-step explanation:

-32 = 2(x² + 10x)

Complete the square

 coefficient of the x term: 10

 divide coefficient in half: 5

 square it: 5²

 use 5² to complete the square and keep the equation balanced:

-32+2·5² = 2(x² + 10x + 5²)

18 =2(x+5)²

9 = (x+5)²

x+5 = ±√9 = ±3

x = ±3 - 5 = -2, -8

7 0
3 years ago
(7th grade work) How many gallons of water were in the bucket after 1 second? Explain your thinking.
Hunter-Best [27]

Answer:

one-third of a gallon is in the bucket

Step-by-step explanation:

6 0
3 years ago
150 parents were surveyed. 26% said that the kids were noddy and 70% said their kids were nice. How many parents didn't answer w
alexandr1967 [171]

Answer:

The parents who didn't answer with either naughty and nice are <u>6</u>.

Step-by-step explanation:

Given:

150 parents were surveyed. 26% said that the kids were naughty and 70% said their kids were nice.

Now, to find parents who didn't answer with either naughty and nice.

<em>So, as given in question:</em>

<em>70% said that their kids are naughty.</em>

<em>26% said that their kids are nice.</em>

So, to get the percentage of parents who didn't answer we subtract.

<em>Thus, the percentage of  parents who didn't answer with either naughty and nice:</em>

100% - (70% + 26%)

100% - 96% = 4%.

Hence, 4% of parents didn't answer.

Now, to get how many  parents didn't answer we calculate the percentage of the total who didn't answer:

<em>Total parents surveyed = 150.</em>

<em>Parents who didn't answer =  4% of the total parents surveyed.</em>

Parents\ who\ didn't\ answer = 4\% of 150.

Parents\ who\ didn't\ answer = \frac{4}{100}\times 150.

Parents\ who\ didn't\ answer = \frac{600}{100}.

Parents\ who\ didn't\ answer = 6.

Therefore, the parents who didn't answer with either naughty and nice are 6.

8 0
3 years ago
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