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ycow [4]
3 years ago
10

Tom needs to drive 21 miles to work. So far, he has driven 2.2 miles. How many more miles must he drive?

Mathematics
2 answers:
wolverine [178]3 years ago
4 0
Tom needs to drive 18.8 more miles
Aleks [24]3 years ago
3 0
Tom needs to drive 18.8 miles
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(2,-4) reflected over the line y=-x
MatroZZZ [7]

Answer:

(2,4)

Step-by-step explanation:

that would be the answer because when you reflect it over the Y axis you are making the y turn into a + or - depending on what it already is if y=-4 when you reflect it over the y it would be y=4

6 0
4 years ago
Math help :) B and C are incorrect. Either A or D is correct. Please explain how you found your answer!
lubasha [3.4K]
The Answer is A because if you set it to a proportion you get 1 7/9

8 0
4 years ago
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Please help me solve this question with full solutions!!!
sladkih [1.3K]

Answer:

first

|a+3|/2=1

|a+3|=1*2

|a+3|=2

a=2-3

so,a=-1

second

2|b+1|=6

|b+1|=6/2

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so,b=2

now,|a+b|

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4 0
3 years ago
It takes 32 minutes for 8 people to paint 8 walls. How many minutes does it take 12 people to paint 12 walls ? Confused !
Radda [10]

Answer:

It takes 32 Minutes for 12 people to paint 12 walls

Step-by-step explanation:

If it takes 8 people 32 minutes to paint 8 walls, then that means each person takes 32 minutes to paint 1 wall. With that being said, If you have 12 people painting 12 walls, It will take 32 minutes for all 12 walls to be painted.

Hope this helps!

4 0
3 years ago
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Find the number that must be added to each expression to form a perfect square trinomial. Then write the trinomial as a binomial
maksim [4K]
<h2>Hello!</h2>

The answers are:

a) \frac{49}{4}

b) (x+\frac{7}{2})^{2}

<h2>Why?</h2>

First, we need to know that for this case:

a=1\\2ab=7

So,

b=\frac{7}{2}

b^{2} =(\frac{7}{2})^{2}=\frac{49}{4}

We must add \frac{49}{4}  to the expression in order to form a perfect square trinomial,

x^{2} +7x+\frac{49}{4}

Writing the trinomial as a binomial square:

(x+\frac{7}{2})^{2}=x^{2}+2*\frac{7}{2}*x+(\frac{7}{2})^{2}=x^{2} +7x+\frac{49}{4}

Have a nice day!

8 0
3 years ago
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