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Aleks04 [339]
3 years ago
8

4x+4y=-12 2x+4y=6 I am studying math and I i don’t know how to answer this question

Mathematics
1 answer:
Romashka [77]3 years ago
3 0

Answer:

X = -y -3

X= -2y + 3   (if correct, please mark brainliest. :))

Step-by-step explanation:

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I’m not sure how to do this any help would be great
KIM [24]

Answer:

785.4cm^3

Step-by-step explanation:

(10÷2)^2*π=25π

25π*10=250π≈785.4

4 0
1 year ago
Two trials are conducted for an experiment. In Trial A, the measured value is 240, while the actual value is 200. In Trial B, th
Zepler [3.9K]

Answer:

A is the answer 456% and 512%

Step-by-step explanation:

Percent Errors

Trial A

Trial B

Measured Value

240

195

Actual Value

200

240

Percent Error

​?

​?

Complete the table.

Percent Errors

Trial A

Trial B

Measured Value

240

195

Actual Value

200

240

Percent Error

440440​%

435435​%

5 0
2 years ago
2x-1<br> Hahahahahhaahhahahahahahahhahaha
sweet-ann [11.9K]

Answer:

x=1/2

Step-by-step explanation:

Set up the equation: 2x-1=0

Add one to both sides. 2x=1

Divide two by both sides: x=1/2

Therefore, x =1/2, or .5

4 0
3 years ago
Read 2 more answers
Helen ate 1/10 of a cake. She divided The remainder into 3 equal portions. What fraction of the cake was in each portion
Vlad1618 [11]

Answer:

As she ate 1/10 of cake, we need to know how many cake remains after it, so we can substract:

1 - 1/10 = 10/10 - 1/10 = 9/10

Then, we need to divide the 9/10 into 3 portions:

(9/10) / 3 = 9/30 = 3/10

So we know the fractions would be 3/10 each on this situation..

6 0
2 years ago
Simplify. 12+(38−18)2
julia-pushkina [17]
The answer is 52. remember PEMDAS (parentheses, exponents, multiplication, division, addition, subtraction) you can use "please excuse my dear aunt sally" to help you remember!  :)
3 0
3 years ago
Read 2 more answers
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