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kipiarov [429]
3 years ago
6

(2x2 + 2x - 4) + (x2 – x + 5) Simplify

Mathematics
1 answer:
Brums [2.3K]3 years ago
5 0

Answer:

8x times -14

Step-by-step explanation:

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Choose all true statements:
leva [86]
<span>1 - All real numbers are rational numbers.   FALSE
All real numbers are NOT rational numbers. The real numbers are made up of rational numbers and irrational numbers.

2 - Some rational numbers are natural numbers. TRUE
All natural number are rational numbers but not all rational numbers are natural numbers. Thus, some rational numbers are natural numbers.

3 - No real numbers are irrational numbers. FALSE
</span><span>The real numbers are made up of rational numbers and irrational numbers. Thus, some real numbers are natural numbers.

4 - All whole numbers are integers. TRUE
The whole numbers are the natural numbers plus 0. The integers comprises of the whole numbers plus the negative of the whole numbers.
Thus, all whole numbers are integers.

5 - Some integers are natural numbers. TRUE
</span>The integers comprises of the whole numbers plus the negative of the whole numbers. <span><span>The whole numbers are the natural numbers plus 0. The natural numbers are the counting numbers, i.e. 1, 2, 3, . . . which are also part of integers.
Thus, some integers are natural numbers.

</span>6 - No rational numbers are integers. FALSE
The rational numbers are made up of the integers and any number that can be expressed as a fraction.</span>
Thus, all integers are rational numbers and some rational numbers are integers.
8 0
3 years ago
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What is the surface area of the square pyramid represented by the net?
jeyben [28]
The surface area is 252 m
8 0
2 years ago
A corn vendor at a farmers market was selling a bag of 8 ears of corn for $2.56.Another vendor was selling a bag of 12 for $4.32
ankoles [38]

To decide which one is the better deal, you need to compare them on price per ear. So, the the first vendor is $2.56/8ears= $0.32/ear

the second vendor: $4.32/12 = $0.36/ear

The first vendor with the bag of 8 ears is the better deal!

5 0
3 years ago
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List the integers that satisfy both these inequality. 2x+9&lt;0 x&gt;-12
Ludmilka [50]

Answer:

<u>Given:</u>

  • 2x + 9 < 0 ⇒ 2x < - 9 ⇒ x < - 4.5
  • x > -12

<u>Combined we have:</u>

  • -12 < x < - 4.5

<u>The integers in the same interval are:</u>

  • x ∈ {-11, -10, -9, -8, -7, -6, -5}
6 0
3 years ago
Don't understand PLZ help
lesya692 [45]

Answer:

A

Step-by-step explanation:

A is the answer because the slope is 1 square which you can see from the line and also the y-intercept is 2 which means it is 2 on the y axis. Also please can I get brainly :)

5 0
3 years ago
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