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Archy [21]
3 years ago
6

What is the solution to this equation?

Mathematics
1 answer:
WITCHER [35]3 years ago
8 0

Answer:

A. x = 4

Step-by-step explanation:

7x-2(x-10)=40\\7x-2x+20=40\\5x+20=40\\5x=20\\x=4

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5x4-2+x=<br> 3937/993x9374
jonny [76]

the answer would be x=−0.870452,0.712370

6 0
3 years ago
Dennis and Connie purchased a radio for $128. Dennis paid $36 more than Connie. How much did each pay?
never [62]

Answer:

Dennis paid $82 and Connie paid $46.

Step-by-step explanation:

We can set up an equation by putting in variables, c representing how much Connie paid. Since we know that Dennis paid $36 more, we will also factor that in the equation.

c + c + 36 = 128

Where c + 36 represents the amount Dennis paid, and 128 represents the total amount paid as given in the question. We can start by adding like terms. 2c + 36 = 128

Now, we can subtract 36 from each side,

2c + 36 - 36 = 128 - 36

2c = 92

Divide each side by two,

2c/2 = 92/2

c = 46

Now, to make sure this is correct, let's substitute our c for 46 in our equation:

46 + 46 + 36 = 128

92 + 36 = 128

128 = 128

Therefore, our equation is correct, and Dennis paid $82 while Connie paid $46.

6 0
3 years ago
a package of markers includes 3 black markers and 9 colored markers. What percent of the markers in the package are colored mark
enyata [817]

0.75

just divide 9 by 12

3 0
3 years ago
Read 2 more answers
An electronic store sells a large flat screen television for $1,699. Last month, the store sold 8 of these television sets. Abou
serg [7]
1699 / 8 = 212.375 and then round $212.38 per TV
6 0
3 years ago
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Suppose you see a car advertised with a price of $32,450 and payments of $627.35 per month for 5 years. What is the amount of mo
Semmy [17]

Answer:

37,641 would be the interest payed or other wise fully paid off and owned

Step-by-step explanation:

4 0
3 years ago
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