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anyanavicka [17]
3 years ago
5

What expression con you substitute in the indicated equation to solve the system below?

Mathematics
1 answer:
Mila [183]3 years ago
6 0
Looking at the first half of all the options, only x=2-4y can be derived from the original equations therefore
Final answer:
A. 2-4y for x in 5x+y=8
Hope I helped :)
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What is the area of the figure?
uysha [10]
I think it'd be 10in. If you cut it into three parts, where the bottom is sectioned off from the other two rectangles, the two rectangles on the side both have an area of 3in, so together they'd be 6in. The rectangle on the bottom has a length of 4 and a width of 1, so it'd be 4in... add those together and get 10in. Hope this helps
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3 years ago
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Identify the value them make the inequality true x &gt;4<br><br> Answers: x=4,x=6,x=10,x= -4
Alika [10]

Answer:

x= -4

Step-by-step explanation:

This is correct because no other options fit.

3 0
3 years ago
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Step-by-step explanation:

8 0
3 years ago
Marty's class collected $16.00 in a school-wide penny collection contest.If Tommy's class collected,x, and then multiplied the d
Gala2k [10]

Answer: A.$23.00

Step-by-step explanation:

This question is incomplete, please remember to be carful and submit the whole question :)

However, if we assume the money Tommy's class substracted from its penny collection is \$15, we will have the following:

<em>Marty's class collected $16.00 in a school-wide penny collection contest. If Tommy's class collected,x, then substracted  \$15 and then multiplied the difference by 2,they would have the same amount of money as Marty's class. How much money did Tommy's class collect?</em>

<em />

This can be mathematically expressed as follows:

(x-\$15)2=\$16

Isolating x, which is the amount of money Tommy's class collected:

2x-\$30=\$16

x=\frac{\$46}{2}

x=\$23

Hence, the correct option is A.

8 0
3 years ago
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den301095 [7]
It should be option b
8 0
3 years ago
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