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topjm [15]
3 years ago
5

A dealer bought an item for $20 sold it for 24 bought it for 25

Mathematics
1 answer:
yuradex [85]3 years ago
6 0

Answer:

$3

Step-by-step explanation:

Started with $20 Sold for $24 Bought it for $25 Then sold it for $28

so, $24 -$20= so she made $4.

then she bought it for $25-$24= so she only made $1

Finally she sold it for $28-$25 so she made a total of $3

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Find the equation of a line that has the same slope as y=3-7x and the same y-intercept as y= -4x – 10.
Gekata [30.6K]

Answer:  y=3x -10

slope : 3 y-int : -10

Step-by-step explanation: I believe this is the answer

5 0
3 years ago
Marcus invested $2000 in a bank account earning simple interest. The interest, I, he has after t years at an interest rate r is
Whitepunk [10]

Answer:

  • 4%

Step-by-step explanation:

<h3>Given</h3>

<u>The equation for simple interest:</u>

  • I = 2000rt

<u>And values</u>

  • Total = $2160
  • t = 2
  • r = ?
<h3>Solution</h3>

<u>Interest amount is</u>

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<u>Solving for annual interest rate</u>

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6 0
3 years ago
Read 2 more answers
Find y if the line through (3, 1) and (9, y) has a slope of 4.
klio [65]

Answer:

y = 25

Step-by-step explanation:

To find slope, we use this expression: \frac{y2-y1}{x2-x1}

Since we already know the slope and are trying to figure out a y-value, we can input all of the values we do know in the expression and solve for the missing y.

\frac{y-1}{9-3}=4

Simplify the denominator:  \frac{y-1}{6}=4

Multiply both sides by 6 to isolate the y - 1:   y - 1 = 24

Add 1 to both sides to isolate the y:  y = 25

y = 25

7 0
3 years ago
15 pts + brainliest to right/best answer
den301095 [7]

Split the second term in 5x^2 + 23x + 26 into two terms

5x^2 + 13x + 10x + 26

Factor out common terms in the first two terms, then in the last two terms

x(5x + 13) + 2(5x + 13)

Factor out the common term; 5x + 13

<u>(5x + 13)(x + 2)</u>

6 0
4 years ago
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Stolb23 [73]

Answer:

2 and 1/2 = 2.5

2.5 divided by 3 = 0.83

0.83 x 2 = 1.66 or 1 and 2/3 gallons of paint left

Step-by-step explanation:

Hope this helps! Have a nice day!

4 0
3 years ago
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