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kari74 [83]
3 years ago
11

Please help FAST:

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
8 0

Answer:

car a, car b

Step-by-step explanation:

car a 2x + 2= 4x

car b 3x + 3= 9x

both cars 13x

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What is the midpoint of AC ?
Leno4ka [110]

Answer:

A: (m + p, n + r)

Step-by-step explanation:

Midpoint \:  of  \: AC  \\ =  \bigg( \frac{2m + 2p}{2}  \:  \:  \frac{2n + 2r}{2}  \bigg) \\  \\ =  \bigg( m + p, \:  \: n + r \bigg)

5 0
3 years ago
What is equivalent to<br>x2+ 14x = -13​
postnew [5]

Answer:

X= 1 AND 13

Step-by-step explanation:

x2+14x = -13

by completing the square method

you add the square of half the coefficient of b to both sides

which is (14/2)^2

x^2+14x+(7^2) = -13 +(7^2)

x^2 + 7^2 = -13 + 49

x^2 + 7^2 = 36

(x + 7)^2 = 36

find the square root of both sides

(x+7) = + or - 6

x=7-6 ; 1

or

x= 7+6 ; 13

8 0
2 years ago
1.1<br>Solve the following equations:<br>1.1.1 (x+5)(x-3)=33​
schepotkina [342]

Step-by-step explanation:

x²-3x +5x -15=33

x²-3x+5x=33+15

x²-3x+5x=48

x²+2x=48

divide both sides by 2

x²+x =24

x²= 24

x= ✓24

dunno from here

8 0
3 years ago
(Circumference or circles)<br> explain your answer so I can understand
Ghella [55]

Answer:

5.5 inches

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Please help asap! <br> Solve for X.
charle [14.2K]

Answer:

I believe it's 12

Step-by-step explanation:

I hope this helps

8 0
3 years ago
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