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a_sh-v [17]
3 years ago
7

Solve for x. 4(x + 3) = x +42 x = [?]

Mathematics
1 answer:
laila [671]3 years ago
7 0

Answer: x=10

Step-by-step explanation:

4(x+3)=x+42\\4x+12=x+42\\4x-x=42-12\\3x=30\\x=10

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John had to pay a combined electric and gas bill $150. The electric portion of the bill was $90. What is the ratio of money spen
tatuchka [14]

Given:

John had to pay a combined electric and gas bill $150.

The electric portion of the bill was $90.

To find:

The ratio of money spent on electric to that on gas.

Solution:

Let x be the amount of gas bill.

The electric portion of the bill was $90 and John had to pay a combined electric and gas bill $150.  So,

90+x=150

x=150-90

x=60

The gas portion of the bill was $60.

The ratio of money spent on electric to that on gas is:

\text{Required Ratio}=\dfrac{\text{Electric bill}}{\text{Gas bill}}

\text{Required Ratio}=\dfrac{90}{60}

\text{Required Ratio}=\dfrac{3}{2}

\text{Required Ratio}=3:2

Therefore, the ratio of money spent on electric to that on gas is 3:2.

7 0
3 years ago
HELP ASAP WILL MARK BRAINLIEST!<br><br> What is the length of TW?
love history [14]

Answer:

  8

Step-by-step explanation:

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  TW² + TY² = WY²

  TW² = 17² - 15² = 64

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3 0
3 years ago
Read 2 more answers
In the diagram Shown a 2 foot wide flower border surrounds the heart shaped pond.What is the area of the border?
Dimas [21]
This figure is what we would call a composite figure. A composite figure is a shape that is made up of multiple other shapes. when looking at the pond and the border that surrounds it, we can see that this heart shape is made up of two semi circles and a square. To find the area of the border, we will use the area formulas for semi circles and for squares: 

Semi Circle Area Formula: \pi  r^{2} ÷ 2
Square Area Formula: length x width 

Pi = 3.14 
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3 years ago
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valina [46]
That is impossible to answer because this is an expression. you can only solve for x in equations
6 0
2 years ago
21q - 7p and (3q - p)(7)
S_A_V [24]

Answer:

1

Step-by-step explanation:

4 0
3 years ago
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