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Nezavi [6.7K]
2 years ago
13

Please help me guys are these true or false​

Mathematics
1 answer:
Varvara68 [4.7K]2 years ago
8 0

Answer:

There are integers that are not rational numbers is false

There are whole numbers that are not rational numbers is false

There are integers that are not whole numbers is true

All rational numbers are integers is false

Step-by-step explanation:

Integers are whole numbers, or numbers that aren't fractions. For example, 1 and 2 are integers, while 5/2 isn't. Integers will always be rational, as rational means that it can be represented as a fraction and the integer 2 can be represented as 2/1 as can 4/2.

Whole numbers are just positive integers.

Not all integers are whole numbers though, since negative integers would not fit the definition of whole numbers (whole numbers have to be positive)

All rational numbers are integers is false, as rational numbers include fractions such as -3/7 or 2/5, which don't cover integers.

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mario62 [17]

Answer:

5 and a half hours

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3 years ago
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An excursion group of four is to be drawn from among 5 boys and 6 girls.
tresset_1 [31]

Answer:

Because you are recounting people several times. Say for example, let us number those people

{1,2,3,4} for the four girls and {1,2…7} for the boys.

One possible combination by your way is to fix one boy and girl each, say

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So we get ∑4=1(4)(75−)=441

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3 years ago
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andreev551 [17]
The answer to your question is c. y=4
3 0
4 years ago
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Which is the equation of the parabola?
Umnica [9.8K]

Answer: y=-\dfrac{1}{8}(x - 2)^2 - 3

<u>Step-by-step explanation:</u>

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NOTE: p is the distance from the vertex to the focus

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Insert those values into the vertex formula to get:

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4 0
3 years ago
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nadezda [96]

Answer:

168 cm^2

Step-by-step explanation:

Given,

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4 0
3 years ago
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