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olya-2409 [2.1K]
3 years ago
5

Please help me with these problems!

Mathematics
2 answers:
MariettaO [177]3 years ago
8 0
The answers are 
A,C,and B
Dafna11 [192]3 years ago
4 0
The answer is c.........
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Ilia_Sergeevich [38]
What kind of coordinates?
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Justin, Cam, and Ben are playing a board game where exactly one player will win. Ben estimates that Justin has a 20%, percent ch
stira [4]

Answer:

30%

Step-by-step explanation:

If Justin has a 20% chance and Cam has a 50% chance that adds up to 70%

But you need to get to 100% so all you do is

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2 years ago
How to write the number equal to 2 tens 15 ones
const2013 [10]

2 tens & 15 ones is equal to 35

Because 2 tens = 20

15 already has a ten so add +10 to 20

30+5 is 35.

8 0
2 years ago
Twice the quantity b plus 9
mojhsa [17]

Answer:

2b+9

Step-by-step explanation:

Twice the quantity b is 2*b = 2b

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5 0
2 years ago
Eq 1 X+Y=16 <br> Eq 2 6x+9y=120<br><br> Solve by substitution <br> Solve step by step
Alexxx [7]

Answer:

X = 8, Y = 8

Step-by-step explanation:

Step 1) Solve for Y w/ bottom equation to yield - y = -2/3x + 40/3.

Step 2) substitute equation into x + y = 16 to get 1/3x + 40/3 = 16 multiply by 3 to clear the fractions and get x + 40 = 48 - subtract 40 by both sides to get x = 8.

Step 3) Plug x = 8 into the bottom equation to get 48 + 9y = 120, subtract 48 by both sides to get 9y = 72 and then divide by 9. The product is y = 8.

7 0
2 years ago
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