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Cloud [144]
3 years ago
15

Plzzzzzz help me i am timed

Mathematics
1 answer:
harkovskaia [24]3 years ago
6 0
The answers are 8.5 and 4.2
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10x + 4y = 24 6x +12y = 48 What is the value of y? * <br>A. 7 <br>B. 7/2 <br>C. 1 <br>D. -7/2​
ziro4ka [17]

Answer:

B

Step-by-step explanation:

1) lets use elimination to solve this:

multiply 10x+4y=24 with 3 in order to get "4y" into "12y"

3(10x+4y=24)

30x+12y=72

now subtract both equations to eliminate 'y"

30x+12y=72

-

6x+12y=48

---------------------

24x=24

x=1

now substitute 1 in the above equation:

6(1)+12y=48

6+12y=48

12y=42

y=7/2

4 0
2 years ago
Anyone know the answer ?!? Let me know please !!!
Andru [333]

Answer:

25/35 = .71 = 71%

Step-by-step explanation:

3 0
2 years ago
Pls someone help I don’t get this
MakcuM [25]

Answer:

its 8

Step-by-step explanation:

first divide 16 by pi which is 3.14

then divide your answer by 2 after that.

5 0
2 years ago
Can someone answer this question for me ?
arsen [322]

Answer:

I believe the answer is 3/10

5 0
3 years ago
Read 2 more answers
PLEASE HELP!!!!!<br> Combine the like terms to create an equivalent expression. 8k+5k
horsena [70]

Answer:

13k

Step-by-step explanation:

Given: 8k+5k

Finding the equivalent expression.

We know the rule of addition is that adding two positive integers will give positive result or sum.

Now, lets find the equivalent expression of 8k+5k.

∴ 8k+5k= 13k

Hence, the required equivalent expression is 13k.

3 0
3 years ago
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