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Brums [2.3K]
3 years ago
14

Consider U = {x|x is a real number}.

Mathematics
2 answers:
sveta [45]3 years ago
8 0

Answer:

Option c.

Step-by-step explanation:

We have the set of real numbers greater than 8 and B the set of real numbers greater than 5 here:

A: x+2>10 ⇒ x>8

B: 2x > 10 ⇒ x>5

8∉A ; 8∈B

Note: We can see (graph) that the intervals are open, so the corresponding points do not belong to their respective sets.

RUDIKE [14]3 years ago
8 0

Answer:

C

Step-by-step explanation:

took the test

Brainliest plz

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Simplify (3x − 5) − (4x + 6).
irinina [24]

(3x − 5) − (4x + 6)

Pretend that there is a 1 in front of the first bracket.

Pretend that there is a -1 in front of the second bracket.

Multiply the first bracket by 1

(1)(3x)=3x, (1)(-5)=-5

Multiply the second bracket by -1

(-1)(4)=-4, (-1)(6)=-6

3x-5-4x-6

3x-4x-5-6 ( combine like terms)

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3 0
3 years ago
ILL GIVE BRAINLIEST.
marysya [2.9K]

Answer:

D

Step-by-step explanation:

There is only one variable in this situation which means you can rule out A and C, B is wrong because it said it wants Y, so D is your answer!

5 0
3 years ago
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Help ASAP can u explain a little too? (pls help if u don’t know it don’t answer pls) Thank You:)
larisa [96]
Since they are similar, the dimensions are in the same ratio. L1 = 5, L2 = 15, so they are in a 3:1 ratio. So if V1 = 60, then W1×H1 = 60/5 = 12
W2 must also be 3×W1 and H2 3×H1, and
3×3 = 9. So take 12×9 (W×H1×9) ×15 (L2) = V2
V2 = 12×9×15 = 1620 cm^3

Let me know the right answer when you find out!
8 0
3 years ago
Solve 3[-X + (2 x + 1)] = x - 1.
vlabodo [156]

Answer:

X=-2

Step-by-step explanation:

All steps are shown in the image

4 0
3 years ago
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