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stich3 [128]
3 years ago
6

Which is equivalent to the expression below?

Mathematics
1 answer:
Paraphin [41]3 years ago
3 0
8(x+4x)
=8x+32x
=40x
40x is ur answer
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Solve the system by substitution.<br> y = 8x – 6<br> y = 2x
motikmotik

Answer:

x = 1

y = 2

Step-by-step explanation:

y =8x - 6  ---------------------------------(I)

y = 2x -------------------------------------(II)

substitute y = 2x in equation (I)

2x = 8x - 6

Add 6 to both sides

2x + 6 = 8x

Subtract 2x from both sides

6 = 8x - 2x

6 = 6x

Divide both sides by 6

6/6 = x

x = 1

Substitute x = 1 in equation (II)

y = 2*1

y = 2

3 0
3 years ago
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Can someone help me with this problem.
Ipatiy [6.2K]

Answer:

16,912 is the answer, Because you have to add it all up, then divide by 2, and then find the closest to your answer.

Step-by-step explanation:

7 0
2 years ago
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Helpp plz i'll mark brainliest (see picture). <br> The second part is, What is the value of y?
Art [367]

Answer:

116*

Step-by-step explanation:

36* + 28* = 64*

180* - 64* = 116*

4 0
3 years ago
Trudy bought a $40 prepaid long distance card. For every minute hat she talks, &amp;0.25 is deducted from her balance on the car
bezimeni [28]
The x intercept is the amount of money she has and I don't know what it is.... sorry. I knew what it stood for though. 
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3 years ago
Please help, Thanks.
Evgen [1.6K]

Answer:

C

Step-by-step explanation:

49x² + 28xy + 4y² ← is a perfect square of the form

(ax + by)² = a²x² + 2abxy + b²y²

49 = 7² ⇒ a = 7 and 4 = 2² ⇒ b = 2

2ab = 2 × 7 × 2 = 28

Hence

49x² + 28xy + 4y² = (7x + 2y)²

with factor 7x + 2y ⇒ C

8 0
3 years ago
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