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DerKrebs [107]
4 years ago
12

A set of wheels sold in an online auction for $1,120. This was $20 more than four times the opening bid. How much was the

Mathematics
2 answers:
Tanya [424]4 years ago
7 0

Answer: 7

Step-by-step explanation:

i wish i knew why

xenn [34]4 years ago
7 0
It would be 7 the answer
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8. The product of 5, and 3 more than twice a number,<br> is 85. What is the number?
Zolol [24]

Answer:

Step-by-step explanation:

5(2x+3) = 85

10x + 15 = 85

x = (85 - 15)/10

x = 7

6 0
3 years ago
What is the answer I need help
netineya [11]

Answer:

i am very sorry i dont know the answer....

again very sorry...

Step-by-step explanation:

5 0
3 years ago
Please help FAST I need the answer along with you explaining the steps so I can get it thanks! I’ll give Brainlist also!
kupik [55]

Answer:

The equation of required line is: \mathbf{5x-8y+34=0}

Step-by-step explanation:

We need to write equation in the form Ax+By+C=0 of the line parallel to 5x-8y+12=0 and through the point (-2,3)

First we need to find slope and y-intercept of the required line.

Using equation of line  5x-8y+12=0 to find slope.

Since the given line and required lines are parallel there slope is same.

Writing equation in slope intercept form: y=mx+b where m is slope.

5x-8y+12=0 \\-8y=-5x-12\\\frac{-8y}{-8y}=\frac{-5x}{-8}-\frac{12}{-8}\\y=\frac{5}{8}x+\frac{3}{4}

So, the slope m = 5/8

The slope of required line is m=\frac{5}{8}

Now finding y-intercept using slope m=\frac{5}{8} and point(-2,3)

y=mx+b\\3=\frac{5}{8}(-2)+b\\3=\frac{-5}{4}+b\\b=3+\frac{5}{4}\\b=\frac{3*4+5}{4}\\b=\frac{12+5}{4}\\b=\frac{17}{4}

So, the equation of required line having slope m=\frac{5}{8}  and y-intercept b=\frac{17}{4}

y=mx+b\\y=\frac{5}{8}x+\frac{17}{4}\\y=\frac{5x+17*2}{8}\\y= \frac{5x+34}{8}  \\8y=5x+34\\5x-8y+34=0

So, The equation of required line is: \mathbf{5x-8y+34=0}

3 0
3 years ago
If the check after the substitution of the answer doesn't work, does that mean that the result is incorrect for equation with va
Alecsey [184]
I don't understand what your point is. Mind posting a picture or something?
8 0
3 years ago
Write the following numbers in order starting with the smallest 1.75kg 1975g 0.9kg 1800g
Jobisdone [24]

0.9kg

1.75kg

1800g

1975g

6 0
3 years ago
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