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FinnZ [79.3K]
3 years ago
9

1. Solve by factoring. Mark all solutions. 2x2 + 3x - 14 = 0

Mathematics
2 answers:
Aleks04 [339]3 years ago
3 0
<span>2x2 + 3x - 14 = 0
(2x + 7)(x - 2) = 0
2x + 7 = 0; x = -7/2
x - 2 = 0; x = 2

answer: </span>A. -7/2  and <span>C. 2 </span>
erik [133]3 years ago
3 0
A. is the answer hope I helped;3
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PLEASE HURRY
givi [52]
Point A is the midpoint of CT which means the ratio of CA:CT would be 1:2.
To find CT, you need to find the distance of CA then applies 2 times of the distance to the point C

Xca= Xa-Xc= 1- (-2)= 3
Yca= Ya- Yc= -3 -5= -8

Xt= Xc + 2* Xca= -2 + 2*3= 4
Yt= Yc + 2* Yca= 5 + 2*-8= -11
T(Xt, Yt)= T(4, -11)

The coordinate for point T would be (4, -11)
8 0
3 years ago
David rents DVDS from a company that changes a $7.00 monthly fee and $1.50 for each dvd rental. He ends up paying $20.50 for the
serious [3.7K]
1.5x + 7 = 20.5
First subtract 7 from both sides
1.5x = 13.5
Then divide both sides by 1.5
x = 9


Let me know in comments if you have questions
3 0
3 years ago
Which of the following are identities? Check all that apply.​
Hatshy [7]

Answer:

b. cos²3x - sin²3x = cos6x

if its wrong sorry

hope this helps you☺️☺️

5 0
3 years ago
Read 2 more answers
An ostrich run 6 mile in12 minut how far he could come in 40 minutes
bogdanovich [222]

The ostrich can run 20 miles in 40 minutes.

<u>Solution:</u>

Given that, An ostrich run 6 mile in 12 minutes

We have to find how far he could come in 40 minutes

Now, according to the given information  

Ostrich runs 6 miles ⇒ 12 minutes

Then, “n” miles ⇒ 40 minutes

Now, by criss cross multiplication we get,

\begin{array}{l}{\rightarrow 6 \times 40=n \times 12} \\\\ {\rightarrow 40=n \times 2} \\\\ {\rightarrow n=20}\end{array}

Hence, the ostrich can run 20 miles in 40 minutes

8 0
3 years ago
9. One winter day, the temperature increased
Andru [333]

Answer: A~ 45

Step-by-step explanation:

8 0
3 years ago
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