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hichkok12 [17]
3 years ago
14

Its D right??????? need help

Mathematics
1 answer:
AlladinOne [14]3 years ago
3 0
I think it is correct but I am really not sure I am doing this for the free trial
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Will give brainliest for right answer!
Annette [7]
This is a system of equations.  We solve it by setting it up so that when we add the two equations together, one of the variables will cancel out.  We can do this by multiplying the bottom equation by 3.  This will make our system of equations equal:

3a + b + 225
-3a + 3b = 75

Now we add these two equations together, because the a terms will cancel out.

4b = 300.

We can find what b is by dividing both sides by 4.

b = 75

Next, we plug in b in one of the equations and solve for a.  You can use either equation, but I will use the second.

75 - a = 25

Subtract 25 from both sides and add a to both sides:

a = 50

So, the first option is correct.  A = 50 and b = 75.
8 0
3 years ago
24 + 2 - 6 divided by 3 x 4
just olya [345]

Answer:

18

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Henry paid $84 for 3 shirts. each shirt costs the same amount. let s represent the cost of each shirt. solve the equation 3s=84
KengaRu [80]
Hmm, 3 shirts cost $84 all together 84 divided by 3 is 28. 28+28+28=84. Each shirt had to be $28 to equal $84 for the final price. Hope this was right!
4 0
3 years ago
7,080,267 written in expanded form
Alex787 [66]
If you know the definition of expand (to increase or make bigger)
then this will be easy.

when ever it asks for expanded for that means your answer has to be bigger than the number your given.

for your question:
 you have 7,080,267

so u first do the biggest value which is the first 7 on the left.
and then work your way down to the smallest which would be 7 on the right.

7000000
000000
80000
0000
200
60
7
that is the numbers expanded

but now u have to write it in the fom so you just add a + after each number

7000000+000000+80000+0000+200+60+7
you can shorten it by removing the numbers with no value:
7000000+80000+200+60+7

6 0
3 years ago
2/3 ÷ 8/9 with explanation and steps... ​
pishuonlain [190]

Answer:

2/3 ÷ 8/9

\frac{2}{3}  \div  \frac{8}{9}

\frac{2}{3}  \times  \frac{9}{8}

\frac{1}{1}  \times  \frac{3}{4}

\frac{3}{4}

hope this will help you more

8 0
3 years ago
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