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denpristay [2]
3 years ago
6

Is (8, 3) a solution of y > 3x − 4?

Mathematics
2 answers:
Alekssandra [29.7K]3 years ago
8 0
In (8, 3), x=8 and y=3.

3>3(8)-4, 24=4=10

3>20.


Obviously, 3 is NOT greater than 20, and therefore is the point is NOT a solution.
marishachu [46]3 years ago
3 0
Y > 3x - 4

x = 8
y = 3

3 > 3(8) - 4
3 > 24 - 4
3 > 20 (false)

No (8,3) is not a solution for y > 3x - 4
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Solve |2x - 2| < 8
Alex777 [14]

Answer:

C

Step-by-step explanation:

|2x - 2| < 8

it implies that

2x - 2 < 8

2x -2 + 2 < 8 + 2

2x < 10

x < 5

or

-(2x - 2) < 8

-2x + 2 < 8

-2x + 2 - 2 < 8 - 2

- 2x < 6

x > -3 ( the sense of the inequality reverse because I divided by minus)

The solution can be combine to

-3<x<5

4 0
3 years ago
What is the distance from X to Y?
densk [106]

Answer:

15

Step-by-step explanation:

distance formula

\sqrt{((x2-x1)^2 + (y2-y1)^2)}

\sqrt{(9-0)^2 + (-6-6)^2}

\sqrt{81 + 144}

\sqrt{225}

15

7 0
2 years ago
The surface area of a cube is 96 in.?.<br>What is the volume of the cube?​
salantis [7]

Answer:

64

Step-by-step explanation:

surface area of the cube =96

suppose one side of the cube = a

volume of the cube(V) =?

surface area = 6a^2    

6a^2=96

a ^2 =96/6  

a^2=16  

a = 4

SO

V= a^ 3  

V=64.

brainliest plz :'D

3 0
2 years ago
Read 2 more answers
*GEOMETRY*please help me find the surface area of the solid along with the volume of it step by step!
Serjik [45]

Surface area of the solid = 7.1781 in²

Volume of the solid = 0.804 in³

Explanation:

Surface area of the solid = surface area of the square prism - 2(base of the cylinder) + lateral surface of cylinder

surface area of a square prism = 2(lw + lh + wh)

l = length = 1 in

w = length = 1 in

h = height = 1 in

\begin{gathered} \text{Surface area = 2(1}\times1\text{ + 1}\times1\text{ + 1}\times1) \\ \text{Surface area = 2(1 + 1 + 1) = 2(3)} \\ \text{Surface area = 6 in }^2 \end{gathered}

using the value π as it is on the calculator

Base area of a cylinder = πr²

2(Base area of cylinder) = 2πr² = 2π(0.25)² = 0.3927

Lateral surface area = 2πrh = 2π(0.25)(1) = 1.5708

Surface area of the solid = 6 - 0.3927 + 1.5708

Surface area of the solid = 7.178 in²

Volume of the solid = Volume of the square prism - volume of the cylinder

Volume of square prism = length × width × height

length = 1 in, width = 1 in, height = 1 in

Volume of the solid = 1 in × 1 in × 1 in = 1 in³

Volume of a cylinder = πr²h

Volume of the cylinder = π × 0.25 × 0.25 × 1 = 0.196

Volume of the solid = 1 - 0.196

Volume of the solid = 0.804 in³

4 0
1 year ago
How is 33 the answer to 6% of 550
NikAS [45]
Is  %
  =
of 100

x 6
 =
550 100
cross multiply and divide 

100x=3300
divide both sides by 100
x=33

6 0
3 years ago
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