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Ann [662]
2 years ago
9

-9<2x+1<5 A. -5 B. -4 C. 4>x>-3 D. 5>x>-2

Mathematics
1 answer:
Lilit [14]2 years ago
4 0

Answer:

B

Step-by-step explanation:

1.

- 9 < 2x + 1

- 10 < 2x

X > - 5

2.

2x + 1 < 5

2x < 4

X < 2

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HELP!!! Find the length of PM.
solniwko [45]

Answer:

Your answer is 7

Step-by-step explanation:

The two lines are the same length, so set the lengths equal to each other.

5x-3=11-2x

add 2x

7x-3=11

add 3

7x=14

divide by 7

x=2

Then you just plug x in

5(2)-3

multiplication first

10-3

subtraction

7

That is your answer

4 0
3 years ago
Read 2 more answers
Jordan drives to the store at 30 miles per hour. On her way home she averages only 20 miles per hour. If the total driving time
cupoosta [38]

Answer:

Jordan lives 18 miles away from the store

Step-by-step explanation:

Distance=speed × time

Where,

d= distance

s= speed

t= time

Total driving time takes half an hour

Distance=speed × time

time=Distance/speed

t=1.5

Speed 1=30 mph

Speed 2:=20 mph

t=d/s1 + d/s2

1.5=d/30 + d/20

1.5=20d + 30d / 600

1.5=50d/600

Cross product

1.5×600=50d

900=50d

Divide both sides by 50

900/50=d

18=d

Therefore,

d=18 miles

Jordan lives 18 miles away from the store

8 0
3 years ago
What is 12 divided by 6/7
Naddik [55]
What is the easiest way to divide whole numbers to fractions?
Just follow these two easy steps:
1. Multiply the whole number  to the denominator of the fraction. In other words, the bottom number of the fraction will be multiplied to the whole number, like this:

12 ÷ 6/7 = n
 <u>   6    </u>
7 x 12
You will have 6/ 84.
2. Simplify.
6  = 1, 2, 3, 6
84= 1, 2, 3, 4, 6, 7, 12, 14, 21, 42, 84

the GCF is 6.  divide both numbers by 6, so the answer will be 1/14.

You can also get the reciprocal and proceed to multiplication , like this: (12/1 is the fractional form or the whole number 12.)
 1/12 x 6/7=n
that makes 6/84 or 1/14.
8 0
3 years ago
Read 2 more answers
Which must be true of a quadratic function whose vertex is the same as the y-intercept ?
jeka94
A quadratic function whose vertex is the same as the y-intercept has the equation
y=x^2+k   (where k is the y-intercept, with vertex (0,k))

Since the vertex coincides with the y-intercept, the axis of symmetry is x=0.
3 0
3 years ago
What is the slope of the line on the graph below?
Mrac [35]
I believe the slope of the line is 1/3
5 0
2 years ago
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