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Igoryamba
3 years ago
7

Consider the system of equations. y = –5x – 1 y = 2x + 6 Choose the correct answer to each question. What is the slope of the fi

rst line? What is the slope of the second line? How many times do the lines intersect? How many solutions does the system have?
Mathematics
2 answers:
andrew-mc [135]3 years ago
6 0

Answer:

Step-by-step explanation:

-5x - 1 = 2x + 6

-7x - 1 = 6

-7x = 7

x = -1

y = 2(-1) + 6

y = -2 + 6

y = 4

(-1, 4)

Alex_Xolod [135]3 years ago
4 0

What is the slope of the first line?  

✔ –5

What is the slope of the second line?  

✔ 2

How many times do the lines intersect?  

✔ 1

How many solutions does the system have?  

✔ 1

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Answer:

Snacks are distributed in a school.

There are only 36 apples and 44 bananas for the students, but there are 72 orange juices and 28 tangerine juices. The distribution would be 4/5, it would take 20 fruits so that the snack per student be the same.

Step-by-step explanation:

A fraction is a whole number that expresses a certain number of portions that are taken from a whole divided into parts.

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2 years ago
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3 years ago
To increase an amount by 17.5% what single multiplier would you use?
zaharov [31]

You would multiply that number by 1.175


Remember that 17.5%=17.5/100=0.175

I this case, there is a whole number that is increasing by 17.5% so we add a whole to the 17.5%

100%+17.5%=117.5% or 1.175


So if 'x' was the number, the expression would look like:

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7 0
3 years ago
Read 2 more answers
If the interest rate is 7%, how many years will it take for your bank balance to double from $1,000 to $2,000?Enter the followin
svlad2 [7]

Answer:

It will take 14.29 years for your bank balance to double from $1,000 to $2,000.

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

E = P*I*t

In which E are the earnings, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

After t years, the total amount of money is:

T = E + P.

If the interest rate is 7%, how many years will it take for your bank balance to double from $1,000 to $2,000?

We have that P = 1000, I = 0.07

We want to find t when E = 1000, so T = P + E = 2000.

E = P*I*t

1000 = 1000*0.07*t

t = \frac{1}{0.07}

t = 14.29

It will take 14.29 years for your bank balance to double from $1,000 to $2,000.

8 0
3 years ago
Check me please for mistakes
andriy [413]
The first 3 are correct but for the last one I’m not sure
3 0
3 years ago
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