2 years ago

Solve the compound inequality for x and identify the graph of its solution.

Mathematics

1 answer:

ladessa [460]2 years ago

8 0

Answer:

x<-4 or x≤4

Step-by-step explanation:

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Nick can run the 440 yard dash in 55 seconds, and Jack can run it in 88 seconds. How great a handicap must Nick give Jack for th

Zepler [3.9K]

Jack --> 440 = rate * 88Jack --> 5 yrds/sex = rateJack in 55 seconds --> distance = 5 * 55 = 275 yrds440 - 275 = 165 yards handicap.

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3 years ago

The ___________ of a lens or mirror is a rotational symmetry axis of the surfaces.

densk [106]

Answer:

Optical axis

Step-by-step explanation:

Optical axis is the rotational symmetry axis of the surfaces.

A line with a certain degree of rotational symmetry is called as the optical axis in an optical system.

It is the straight line that passes through the geometric center of the lens and joins two curvature centers of its surfaces.

It is also called as the principal axis.

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3 years ago

What is 1 7/8 Times 2 1\3

slamgirl [31]

We need to convert the mixed fractions into improper fractions.

1*8 = 8
8+7 = 15

15/8

2*3 = 6
6+1 = 7

7/3

Now we can finish and multiply

$\frac{15*7}{8*3}$

15*7 = 105
8*3 = 24

Simplify 105/24

105/24

24*4 = 96

105 - 96 = 9

4 is the whole number, and 9 is the numerator.

4 9/24

Simplify that,

9/3 = 3
24/3 = 8

4 3/8

Answer: $4\frac{3}{8}$

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3 years ago

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What is the y - intercept for y=4-2x

Alexus [3.1K]

0,4 hope that helps

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2 years ago

If AB=20, then AB+CD=?

Leona [35]

Answer:

20*20+CD=400+CD

Step-by-step explanation:

Multiply

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3 years ago