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Marta_Voda [28]
2 years ago
11

Solve the equation. y +8= 3 pls help 20 points

Mathematics
2 answers:
stiks02 [169]2 years ago
5 0

Answer:

y = 3-8 =-5

Step-by-step explanation:

mark me as brainliest ❤️

AlladinOne [14]2 years ago
5 0

hi <3

you have to isolate the variable 'y'

to do that, just subtract 8 from both sides of the equation

thus, y = 3 - 8

giving you an answer of y = -5

hope this helps :)

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USING PYTHAGORAS THEORAM,

x²+3²= 5²

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x= √16

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OPTION D

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2 years ago
What are the slope and the y-intercept of the line shown in the graph?
Darina [25.2K]

Answer:

Y-intercept: 2 Slope: -3 so... A.

Step-by-step explanation:

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Solve the following equation show your work 3{-x + (2x + 1)} = x - 1
Reika [66]

Answer:

x = -2

Step-by-step explanation:

For this problem, we must simply solve for x.  To do this, we will need equation operations, and the use of the distributive property.

Let's work this line by line until we have the value for x:

3{-x + (2x + 1)} = x - 1

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Cheers.

4 0
3 years ago
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Mekhanik [1.2K]
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3 years ago
What is the surface area of the triangular prism?
eduard

Answer:

The answer is the third

The surface area of prism = 81 ft²

Step-by-step explanation:

∵ The triangular prism has 5 faces

- Two triangles ⇒ bases

- 3 rectangles ⇒ side faces

* to find the surface area of it, we will find the area of

 each face and add them together

- Area of bases:

∵ The bases are right angle triangles with base 6 ft and height 4.5 ft

∵ Area triangle = 1/2 × base × height

∴ Area one base = 1/2 × 6 × 4.5 = 13.5 ft²

∴ Area two bases = 13.5 × 2 = 27 ft² ⇒ (1)

- Area of the first rectangle with dimensions 3 ft and 6 ft

∵ Area rectangle = L × W

∴ Area 1st rectangle = 3 × 6 = 18 ft² ⇒ (2)

- Area of the second rectangle with dimensions 3 ft and 7.5 ft

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- Area of the third rectangle with dimensions 3 ft and 4.5 ft

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Add (1) , (2) , (3) and (4)

∴ The surface area of prism = 27 + 18 + 22.5 + 13.5 = 81 ft²

8 0
3 years ago
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