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omeli [17]
2 years ago
5

98 PTS HELP!!! Please show work! ExPlAiN PlEaSe.

Mathematics
2 answers:
cupoosta [38]2 years ago
5 0

Answer:

2x ≥ 4

x ≥ 2

-x+7<-6

-x < - 13

x > 13

Region towards right of x = 13, with x = 13 being dotted

y > -x + 3

Draw a dotted line passing through (0,3) and (3,0)

Shade the region above this line which is towards right of x = 13

ludmilkaskok [199]2 years ago
4 0

Answer:

see below

Step-by-step explanation:

2x ≥ 4

Divide by 2

2x/2 ≥ 4/2

x ≥ 2

-x+7<-6

Subtract 7 from each side

-x+7-7<-6-7

-x < -13

Divide each side by -1, remembering to flip the inequality

x > 13

y>-x+3

This is a line with slope -1 and y intercept 3

This is a dotted line since there is no equals sign and graph above

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Colt1911 [192]

Answer:

multiply them together

Step-by-step explanation:

8 0
3 years ago
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saveliy_v [14]

Answer:

x=0

Step-by-step explanation:

3x + 34x - 40x = 0

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Kazeer [188]

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5% decrease

Step-by-step explanation:

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2 years ago
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Write an equation in point slope form for a line that includes the origin and (9,-3)
aivan3 [116]
So we are given two points that the line crosses, the origin and (9, -3), we can calculate the slope m of the line with these data, dividing the y segment by the x segment:
m = (-3 - 0)/(9 - 0) = -3/9
m = -1/3
then we can use the point slope line equation to find the line equation, lets use the point origin (0,0) to do so:
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3 0
2 years ago
Write the following<br> number in scientific<br> notation.<br> .00078
Aliun [14]

Answer:

7.8 × 10^-4

Step-by-step explanation:

Although this answer is perfectly O.K., most commonly the base, or the 0.00078, is written as a number with just one digit to the left of the decimal.

To format your number in this way, we'll multiply the .00078 by 10, 4 time(s), making it a 7.8.

We do this, because each multiplication by 10 moves the decimal point to the right one digit.

But in order to keep our number the same number, we must have a × 10-4 next to the 7.8.

So, the final answer is 7.8 × 10^-4

4 0
3 years ago
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