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Nadusha1986 [10]
4 years ago
5

Can you plsss help you will get 22 points!

Mathematics
1 answer:
marta [7]4 years ago
5 0
The answer is B because if you multiply 3*3 you get 9 and if you multiply 6*2 you get 12.Then you add 9 and 12 to get 21

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2x +(3y+8z)=(2x+3y) is an example of which property?
irga5000 [103]
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4 years ago
Read 2 more answers
which of the following ordered pairs is a solution of the equation -2y + 9 = -x? A.(2,5) B.(-3,15) C.(4,-1)
vlada-n [284]

Answer:

Step-by-step explanation:

-2y + 9 = -x

x - 2y = -9

Plug in each set of points and see if the equation holds true.

A. 2 - 2(5) = ?

B. -3 - 2(15) = ?

C. 4 - 2(-1) = ?

I don't think that any of them work.

4 0
3 years ago
$450 and sold them for $828. what is the mark-up, as a percentage?
hjlf
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4 0
3 years ago
The volume of the figure 12in 12in 6in 10in 8in 18in
sladkih [1.3K]

Answer:

2304 cubic inches

Step-by-step explanation:

Volume of the green is (12)(12)(6)=864

Volume of the blue = (18)(8)(10)=1440

So the total volume is 864 + 1440 = 2304 cubic inches

3 0
2 years ago
Simplify the expression. 2+2^2÷4+3 6 7 21 67
True [87]

Answer:

6

Step-by-step explanation:

2+2^2÷4+3

PEMDAS says exponents first

2+4÷4+3

Then multiply and divide from left to right

2+1+3

Then add and subtract

6

3 0
4 years ago
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