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choli [55]
2 years ago
15

Please help! I will give brainliest!

Mathematics
2 answers:
g100num [7]2 years ago
6 0

Answer:

A

Step-by-step explanation:

trust me brother

subtracting a negative number is the same as adding the number

den301095 [7]2 years ago
4 0
It’s A because a negative and negative makes a positive with makes it +
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Identify the equation that does not belong with the other three. Explain your reasoning. Y+4=2 , x+6=4, t+5=-3, 1+1m=-1
motikmotik
y+4=2\ \ \ \ | subtract\ 4\\\\
y=-2\\\\\\
x+6=4\ \ \ \ \ | subtract\ 6\\
x=-2\\\\\\
t+5=-3\ \ \ | subtract\ 5\\
t=-8\\\\\\
1+m=-1\ \ \ | subtract\ 1\\
m=-2

7 0
3 years ago
PLZ help me i will give you ten points for it and for helping me on the rest of the 6 problems PLZ HELP!!
Helen [10]

<u>Answer:</u>

Yes, I believe so.

<u>Step-by-step explanation:</u>

When you look at this equation on a graphing table, it is a straight line that goes directly through the 0,0 cords.

I hope this helped!

If it's wrong I'm very sorry!

6 0
2 years ago
A father's age is three less than two times the son's age. The difference in their ages is 30 years. Find the son's age.
kkurt [141]

You can set up a systems of equations to solve this problem.

The equation y = 2x-3 represents the father's age where y = The father's age and x = The son's age.

The equation 30=y-x represents the difference between the two ages.

In order to be able to solve a system, the two equations can be in the same form. (They don't need to be it's just easier for me to have them in the same form) One is in standard form (ax+by= c) and the other one is in slope intercept form (y=mx+b where m is the slope and b is the y- intercept).

Lets put the equation y=2x-3 into standard form.

y=2x-3

+3 +3

y+3=2x

-y -y

3=2x-y

We have the two equations 30=y-x and 3=2x-y

Now to solve the system.

30=y-x

3=2x-y or 3=-y+2x

30=y-x

3=-y+2x The -y and y cancel each other out since they are the same term but are the inverse of each other one is neg one is pos.

Your left with

30=-x Now you just combine the two equations. 30+3 and 2x-x

3=2x

33=x The son's age is 33. To Find the Fathers age we would just plug 33 for x into one of the equations to find the Fathers age.

SON'S AGE IS 33

6 0
3 years ago
What is 0.888 into a fraction, is it over 100ths or 1,000's?
Bingel [31]

Thanks for using Brainly!

0.888 = 111/125 = 88.8percent

I just gave you 0.888 is it's fraction and percentage.

First, 111/125 is the simplified answer and is over the 100th and is not big enough for the 1,000's.

Second, 111/125 as a percentage is 88.8%.

Have a great day.

8 0
2 years ago
Joannie lent 200$ to her sister. Four years later, her sister repaid her in full with 228$. What a simple annual interest rate d
tatiyna
I believe the interest world be 3.5%
6 0
3 years ago
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