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Bad White [126]
3 years ago
8

QUESTION 5 of 10: You have a choice of a $2,000 rebate on a $13,000 vehicle or 18% off. Which is better?

Mathematics
1 answer:
SVEN [57.7K]3 years ago
7 0

Answer:

18% off

Step-by-step explanation:

i just took the test

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2(-3a+5)=-4(a+4)<br>helps plzs!!!!.....​
Nana76 [90]
-6a+10=-4a-16
-6a+26=-4a
26=2a
A=13
8 0
3 years ago
A cart is coasting past Gordon. As it passes, he exerts a force on it. Whether the cart speeds up, slows down, or changes direct
Ksivusya [100]

Answer:

Direction

Step-by-step explanation:

Whether the car slows down or speeds up depends on the direction of the force applied, because if Gordon applied the force opposite the direction of the cart's movement, then the cart will slow down. If however, the force is applied in the direction of the carts movement, then the cart will speed up.

6 0
3 years ago
How do i solve 4m^2+3m-1=0 using the quadratic formula
elixir [45]
Quadratic formulat is used when a^2+bx+c=0 x= \frac{-b+/- \sqrt{b^{2}-4ac}   }{2a} 4m^2+3m-1=0 a=4 b=3 c=-1 input x= \frac{-3+/- \sqrt{3^{2}-4(4)(-1)}   }{2(4)} x= \frac{-3+/- \sqrt{9+16}   }{8} x= \frac{-3+/- \sqrt{25}   }{8} x= \frac{-3+/-5  }{8} x= \frac{-8}{8} or \frac{2}{8} x=-1 or 1/4
8 0
3 years ago
George is twice the age of Mike minus 5. The sum of George and Mike's ages is 31. How old is George and write an equation to rep
Temka [501]

Answer:

  • George is 19

Step-by-step explanation:

George is g and Mike is m

  • g = 2m - 5
  • g + m = 31

Substitute g in the second equation

  • 2m - 5 + m = 31
  • 3m - 5 = 31
  • 3m = 36
  • m = 12

Finding g

  • g = 2*12 - 5 = 24 - 5 = 19
6 0
3 years ago
Solve the system y= -x + 7 and y=0.5(x - 3)^2
solniwko [45]

Answer:

(- 1, 8 ) and (5, 2 )

Step-by-step explanation:

Given the 2 equations

y = - x + 7 → (1)

y = 0.5(x - 3)² → (2)

Substitute y = 0.5(x - 3)² into (1)

0.5(x - 3 )² = - x + 7 ← expand and simplify left side

0.5(x² - 6x + 9) = - x + 7 ( multiply both sides by 2 )

x² - 6x + 9 = - 2x + 14 ( subtract - 2x + 14 from both sides )

x² - 4x - 5 = 0 ← in standard form

(x - 5)(x + 1) = 0 ← in factored form

Equate each factor to zero and solve for x

x - 5 = 0 ⇒ x = 5

x + 1 = 0 ⇒ x = - 1

Substitute these values into (1) for corresponding values of y

x = 5 : y = - 5 + 7 = 2 ⇒ (5, 2 )

x = - 1 : y = 1 + 7 = 8 ⇒ (- 1, 8 )

8 0
2 years ago
Read 2 more answers
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