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Oduvanchick [21]
3 years ago
7

Express the interval in set-builder notation and graph the interval on a number line (-6.2]

Mathematics
1 answer:
zzz [600]3 years ago
7 0

Answer:

{x|-6}

The number line is attached.

Step-by-step explanation:

By definition Set-builder notation is a mathematical shorthand used to provide specific details about a set.

In this case, you have the following interval:

(-6,2]

You can obsseve that the left hand contains a parentheses, which means that -6 it is not included, then:

-6

The right hand contains a bracket, which means that 2 is included:

\leq 2

The inequality is:

-6

Therefore, in Set-builder notation this is:

{x|-6}

Observe the number line attached. Since -6 is not included, you must use an unfilled circle. Since 2 is included, you must use a filled circle.

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Answer:

A. 64 trucks and 80 cars

Step-by-step explanation:

The ratio is 4:5 or 4/5, which equals 0.8. Divide the number of trucks by the number of cars to see which other answer equals 0.8. The only one that does is A.

8 0
3 years ago
Let X = the number of nonzero digits in a randomly selected 4-digit PIN that has no restriction on the digits. What are the poss
NISA [10]

Answer:

X = {0, 1, 2, 3, 4}

Step-by-step explanation:

If X is the number of nonzero digits in a 4-digit PIN with no restriction on the digits, the pin can have up to 4 nonzero digits.

Let's see some examples:

If the PIN is 0000 then X = 4

If the PIN is 2045 then X = 3

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Thus X = {0, 1, 2, 3, 4}

4 0
2 years ago
.Choose the equation that represents the line that passes through the point (−1, 6) and has a slope of −3.
leonid [27]
Y=-3+3 answer do I need to explain?
5 0
2 years ago
XD Plzzzzzz do 2 slides (4 problems)
Leya [2.2K]

Answer:

Slide 1:

1. Solution = (-3,2)

<em>y = 2x - 1</em>

<em>y = 3/2x + 6</em>

2. No solution

<em>y = -4/2x + 4</em>

<em>y = -4/2x - 5</em>

Slide 2:

3. Solution = (1, -6) ONE SOLUTION

4. Solution = (-4, -1) ONE SOLUTION

p.s i attached the graphs for problems 3 and 4. The first picture is for problem 3 and the second picture is for problem 4

I really hope this helped :)

6 0
3 years ago
Help please!! 15 points!!
maxonik [38]

Answer:

A and D

Step-by-step explanation:

One side-base right triangle and one angle-based right triangle.

6 0
2 years ago
Read 2 more answers
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