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valina [46]
3 years ago
15

Which value of x makes the equation shown below true? 2 x + 7 = -10

Mathematics
2 answers:
alexandr402 [8]3 years ago
7 0
The answer to this problem is D!
stellarik [79]3 years ago
3 0

Answer:

-17 / 2

Step-by-step explanation:

First, find out what x is:

2x + 7 = -10

2x = -10 - 7

2x = -17

x = -17 / 2

I'm not sure if there's a mistake on the question, but if you plug in every number none of them work. Maybe try talking it out with your teacher!

If you plug in -34 you get -61 = -10.

If you plug in 34 you get 75 = -10.

If you plug in 6 you get 19 = -10.

If you plug in -6 you get 5 = -10.

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The function shown in the graph is A) f(x) = x - 1 B) f(x) = 2x - 1 C) f(x) = x - 0.5 D) f(x) = 2x - 0.5
ryzh [129]

Answer:

B

Step-by-step explanation:

B because the y-intercept is (0,-1) and another point is (5,9). Using the slope formula, 10/5=2 so the right equation is B.

5 0
3 years ago
The function f(x) = –0.3(x – 5)2 + 5 is graphed. What are some of its key features? Check all that apply. The axis of symmetry i
kompoz [17]

Answer:

The answer is option 1 , 2 and 3     or     A , B and C

Step-by-step explanation:

4 0
2 years ago
The area of Asia is about 44600000 square kilometers. The area of Europe is about 9.94 x 10^6 square kilometers. What is the com
choli [55]
The answer is B . because when u add them u will get 14400000 which is 1.44*10^7sq kilometers. did this help you?
7 0
3 years ago
Read 2 more answers
HELP!!!!!!!!!!!!!!!!!!!!
solong [7]

Answer:

y = -1/2x+4

Step-by-step explanation:

y = 2x-1

This equation is in slope intercept form  y = mx+b  where m is the slope

m=2

A line perpendicular will have a slope that is the negative reciprocal

m = -1/2

Using the slope intercept form

y = mx+b

y = -1/2x+b

and the point given (2,3)

3 = -1/2(2)+b

3 = -1+b

4 =b

y = -1/2x+4  is the equation of a line that is perpendicular to the original line and contains (2,3)

6 0
2 years ago
Sara ran 10km in 2.5 hours. Katerina ran 7.5 km in 2 hours. Candice ran 9.5 km in 2.25 hours. Who had the fastest average speed?
Arisa [49]

10 km ÷ 2.5 hours = 4 km/h — This is Sara's record

7.5 km ÷ 2 hours = 3.75 km/h — This is Katerina's record

9.5 km ÷ 2.25 hours = 4.2 km/h — This is Candice's record

Therefore, the answer is Candice had the fastest average speed.

6 0
3 years ago
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