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hjlf
3 years ago
12

10 – 7x = 2 – 8x What is x

Mathematics
2 answers:
SVETLANKA909090 [29]3 years ago
7 0

Answer:

x = 12

Step-by-step explanation:

10 – 7x = 2 – 8x

– 7x + 8x = 2 + 10

x = 12

Nuetrik [128]3 years ago
4 0
-8
You first have to subtract and add from both sides meaning 10-7x=2-8x
+8x +8x
10+x=2
-10 -10
X=-8
Then you check 10-7(-8)=2-8(-8)
66=66
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One and one tenth decimal number
Elden [556K]
Hi there!

One and one tenth looks hard but that would be because it's in word form.
In standard, or decimal form, this would be 1.1.
The first 1 represents the whole number and the second 1 represents the tenths.

Hope this helps! Let me know if you need anymore help! :)
3 0
3 years ago
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Alon and his friend Marna own a chimney sweep service company. Working together, they can clean a 20-foot chimney in 1 Five-seve
Akimi4 [234]

Answer:

3 hours

Step-by-step explanation:

Given that:

Time taken by Kalon = 4 hours

Time taken by Marna =?

Time taken if the work together = 1 5/7 hours

Kalon's rate = 1/ time =. 1/4

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AfilCa [17]

Answer:

y = 2x + 14

Step-by-step explanation:

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Question 8 of 10
AleksandrR [38]
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3 years ago
Help!!!!!!!!!!!!!!! A square tabletop has side lengths of (4x − 8) units. Enter a polynomial that represents the area of the tab
kherson [118]

Answer: 16x^{2}-64x+64

Step-by-step explanation:

1. The formula for calculate th area of a square is shown below:

A=s^{2}

Where s is the side of the square.

2. Therefore, if the square tabletop has side lengths of (4x-8) units you have:

(4x-8)^{2}

3. By definition, the square of a binomial is always a trinomial:

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4. Then, you obtain:

(4x-8)^{2}=(4x)^{2}-2(4x)(-8)+8^{2}=16x^{2}-64x+64

 

7 0
3 years ago
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