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Marianna [84]
3 years ago
14

Find the value of the expression below for x = 3. x2+ 5 A.8 B.11 C.14

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
5 0

Answer:

11

Step-by-step explanation:

Plz mark brainliest thanks

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100 Points!!!
Mars2501 [29]

Let's see

#a

Take 28

  • (28)²
  • (30-2)²
  • 30²-2(30)(2)+2²
  • 900-120+4
  • 780+4
  • 784

#2

Take 9,10

  • 9³+10³
  • (9+10)(9²-9×10+10²)
  • (19)(81-90+100)
  • 19(181-90)
  • 19(91)
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7 0
2 years ago
Read 2 more answers
Choose the system of inequalities that best matches the graph below.
lapo4ka [179]

Answer:

D) y\:, y\:>\:-x

Step-by-step explanation:

The blue boundary line has a y-intercept of 2 and a slope of  2.

It has equation : y=2x+2

Since the boundary line is not solid and the lower half plane of this line is shaded, its inequality is

y\:

The blue boundary line passes through the origin and has slope -1.

Its equation is y=-x.

Since the boundary line is not solid and the right half-plane is shaded, its inequality is y\:>\:-x

The correct choice is D.

4 0
3 years ago
|h-3|<5 how do I solve using inequalities
Readme [11.4K]

You can find the approximate value of h in this the same way you could with an algebraic expression.

h - 3 < 5

+3

h < 8

8 0
3 years ago
Which equation represents the graph below?<br><br> A. y=3x-2<br> B.y=-2x+3<br> C.y=3x-2<br> D.2x+3
KatRina [158]

Answer:

d

Step-by-step explanation:

5 0
3 years ago
I need help it's really hard<br>Properties of exponents
Agata [3.3K]

\bf 12^x\times 12^4=12^8\implies \stackrel{\textit{if the base is the same, so are the exponents}}{12^{x+4}=12^8} \\\\\\ x+4=8\implies x=4

3 0
3 years ago
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