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puteri [66]
3 years ago
8

Please helppp help pls

Mathematics
1 answer:
Andrew [12]3 years ago
4 0

Answer:

true is the answer

Step-by-step explanation:

hope it helps.

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Solve f(x)=x²+7x+12/-x²-3x+4
Zarrin [17]

x^2+7x+12=x^2+4x+3x+12=x(x+4)+3(x+4)=(x+4)(x+3)\\\\-x^2-3x+4=-(x^2+3x-4)=-(x^2+4x-x-4)\\\\=-[x(x+4)-1(x+4)]=-(x+4)(x-1)\\\\f(x)=\dfrac{x^2+7x+12}{-x^2-3x+4}=\dfrac{(x+4)(x+3)}{-(x+4)(x-1)}\\\\\text{The domain:} x\neq-4\ and\ x\neq1\\\\canceled\ (x+4)\\\\f(x)=\dfrac{x+3}{-(x-1)}=-\dfrac{x+3}{x-1}\ for\ x\neq-4\ and\ x=1

8 0
4 years ago
Four horses ran in a race
irina [24]

Answer:

  Dee won

Step-by-step explanation:

Using < to mean "finished ahead of ", we are given ...

  B = 3

  D < B

  D < C

  A < C

  D < A

Dee finished ahead of Air, Bart, and Caper, so Dee won the race.

_____

The order of finish must be D, A, B, C.

3 0
4 years ago
NEED SOLVING ASAP. The one that is highlighted is right I just need what the expression simplifies to.
Minchanka [31]

When you divide exponents you subtract the bottom one from the top one. The correct answer would be the first choice.

The expression should simplify to: X^4

8 0
3 years ago
Which values of a, b, and c represent the answer in simplest form?
Vladimir79 [104]

Answer:

1 16/24    1 2/3 answer is D

Step-by-step explanation:

3 0
3 years ago
A pole vaulter uses a 15 foot long pole. she grips the pole so that the segment below her left hand is twice the length of the s
ddd [48]
Answer: The pole is 3.5 foot above the right hand.
To answer this question first you need to determine the left hand height/position. The left hand divides the pole segment into 2:1 ratio. If the pole if 15 foot long, then the equation will be:
2/(2+1)x 15 foot= 10 foot.

The left hand is located 10 foot from the ground and the right hand is 1.5 foot above it. Then the right hand position from the ground is:
10 foot+ 1.5 foot= 11.5 foot

Since the right hand is 11.5 foot from ground and the pole is 15 foot long, then the equation will be:
15 foot- 11.5 foot= 3.5 foot.
5 0
3 years ago
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