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Kamila [148]
3 years ago
9

Solve the open sentence. 8 < 2b OR 2b + 18 < 8

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
5 0

The Answer Is

b > 4 or b < -5

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How do you use a number line from least to greatest
Arlecino [84]

Step-by-step explanation:

left to right.

the smallest numbers are on the left, the largest in the right.

all the numbers in the line are sorted.

so, going from left to right the numbers get continuously larger (no exception), and when going from right to left, they get continuously smaller.

remember that the negative numbers are smaller than the positive numbers. so, the negative numbers (if there are any in your case) are on the left side.

and negative numbers get smaller by "seemingly increasing" : -1 is larger than -2 and so on.

so, the range of the negative numbers starts on the left side with the "largest" negative number (but when you think about it, it IS the smallest number) and their absolute value gets smaller until they reach 0, and then the positive numbers start from small to large.

this also asked to fractions and mixed fraction numbers :

e.g. -2 1/2 is smaller than -2 and larger than -3.

because it is -2 + -1/2 = -2 - 1/2 = -2 1/2.

in that sense it is the same principle as with positive numbers :

2 1/2 = 2 + 1/2

-2 1/2 = -2 - 1/2

6 0
2 years ago
A meteorologist reported that 6.5 inches of snow fell last night. what is the value of the 5 in 6.5?
Vanyuwa [196]
.5 can also be written .50 or 1/2 this means the .5 means half inch
4 0
3 years ago
Read 2 more answers
Find the slope of the line passing through the points (-5, 3) and (7,9).
dybincka [34]

Answer:

\huge\boxed{slope=\dfrac{1}{2}=0.5}

Step-by-step explanation:

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points

(-5;\ 3)\to x_1=-5;\ y_1=3\\(7;\ 9)\to x_2=7;\ y_2=9

Substitute:

m=\dfrac{9-3}{7-(-5)}=\dfrac{6}{7+5}=\dfrac{6}{12}=\dfrac{6:6}{12:6}=\dfrac{1}{2}

5 0
4 years ago
Read 2 more answers
What is the correct way to write 25% of N
Zepler [3.9K]
I think it would be .25N
6 0
4 years ago
Read 2 more answers
What is this? Help me!
VladimirAG [237]

Answer:

4 weeks : 5 books

8 weeks : 10 books

Step-by-step explanation:

alright so she is reading at a rate of 1.25 books per week, we know this becasue we can divide 15/12 which is equal to 1.25. Know we know the rate we can just multiply the rate by the number of weeks, so 4 * 1.25 = 5, and 8 * 1.25 = 10.

7 0
3 years ago
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