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erica [24]
3 years ago
9

Find The T value for point that splits segment EF in half if point E is located at (5,-2) and point F is located at (-1,3).

Mathematics
1 answer:
Tanzania [10]3 years ago
4 0

The formula of a midpoint between two points:

M\left(\dfrac{x_1+x_2}{2},\ \dfrac{y_1+y_2}{2}\right)

We have:

(5,\ -2)\to x_1=5,\ y_1=-2\\\\(-1,\ 3)\to x_2=-1,\ y_2=3

Substitute:

\dfrac{5+(-1)}{2}=\dfrac{4}{2}=2\\\\\dfrac{-2+3}{2}=\dfrac{1}{2}

Answer: T\left(2,\ \dfrac{1}{2}\right)

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Simplify (-x^2 – 28x + 7) + (-7x^2 + 14x + 8).
Anon25 [30]

Add numbers with the same amount of variables

-x^2 + (-7x^2) = -8x^2

– 28x (+ 14x )= -14x

7 (+ 8) = 15

-18x² - 14x + 15 is your answer

hope this helps

6 0
3 years ago
A skirt originally cost $10. How much will it cost if you sell it in Amazon with 25% mark-up price
san4es73 [151]

Answer:

$20.40

Step-by-step explanation:

20% off means that the new price of the skirt will be 80% of the original price:

$30(100%  – 20%) = $30(80%)

Converting the percent to a decimal gives:

$30(0.8) = $24.00

There is an additional 15% off the sale price of $24.00, so the final price is 85% of the sale price:

$24(100%  – 15%) = $24(85%)

Again converting the percent to a decimal gives:

$24(0.85) = $20.40

5 0
3 years ago
What is the measure of angle Q to the nearest degree?
Alla [95]

Answer:

D

Step-by-step explanation:

It's 110. Since the one leg is not on zero it's not a full 160 instead you have to subtract 50 where the leg is.

4 0
3 years ago
The actual distance between two villages is 120 kilometers. On a map of the area, 0.5 centimeter represents 2 kilometers.
stira [4]

Answer:

30 centimeters

Step-by-step explanation:

120 ÷2 =60 now you must use only .5 of that number so you have thirty

3 0
2 years ago
Arrange the slopes from flattest to steepest.<br><br> -3/2, 0, 4/3, undefined
Dovator [93]
To arrange the slopes we need to take their absolute values.
1. U<span>ndefined  slope means a vertical line, so it is going to be steepest.
2.|4/3| = 4/3
3.|-3/2| = 3/2
4. 0  means horizontal line.

</span>From flattest to steepest: 0, -3/2, 4/3, undefined.
8 0
4 years ago
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