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Art [367]
3 years ago
11

PLS HELP MEEEEEE!!!!!!!!

Mathematics
2 answers:
zheka24 [161]3 years ago
6 0

Answer:

A

Step-by-step explanation:

the y intercerpt is what is given as (0,5) and the slope is given as -4, so using y=mx+b where m=slope and b=y int, we get y=-4+5

SVEN [57.7K]3 years ago
5 0

Answer:

A, y = -4x + 5

Step-by-step explanation:

the slope intercept form is y = mx + b with mx being the slope, and y being the y-intercept

we are given the y-intercept (0,5) and the slope -4, so we plug this into slope intercept form

y = -4x + 5

the answer is A

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A block of steel in the shape of a prism with a rectangular base. The measurements of the base are 30 cm by 20 cm and the height
Luden [163]

9514 1404 393

Answer:

  1 marble

Step-by-step explanation:

The volume of steel is ...

  V = LWH

  V = (30 cm)(20 cm)(10 cm) = 6000 cm³

The volume of a marble is ...

  V = (4/3)πr³ = (4/3)π(11.273 cm)³ = 6000 cm³

The block of steel will make 1 marble.

8 0
3 years ago
3(x+1)+ 5=2x- 2 <br>i need help with this equation​
aev [14]

Answer:

x = -10

Step-by-step explanation:

3(x+1) +5 = 2x -2

<em>Distribute the 3 to the x+1</em>

3x+3 +5 = 2x -2

<em>Combine like terms</em>

3x + 8 = 2x -2

<em>Subtract 2x from both sides</em>

x + 8 = -2

<em>Subtract 8 from both sides</em>

x = -10

Hope this helps!

6 0
3 years ago
Read 2 more answers
A ramp is being constructed with wood and then filled with concrete. How many cubic get of concrete will be needed to complete t
Molodets [167]

Answer:

The cubic volume of concrete needed to complete the ramp is 360 ft³

Step-by-step explanation:

We note that the ramp shape is that of a right ngled triangular cube with dimensions

Height = 10 ft

Base = 12 ft

Width = 6 ft

The amount of concrete to fill the ramp is approximately the volume of the ramp.

Volume of ramp = volume of triangular prism = 0.5×Base ×Height  × Width

Volume of ramp = 0.5×12×10×6 = 360 ft³.

The cubic volume of concrete needed to complete the ramp = 360 ft³.

8 0
3 years ago
Write any three rational number between -3 and 0
ella [17]

Answer:

negative square root of 2

negative square root of 3

negative square root of 5

Step-by-step explanation:

:)

8 0
3 years ago
Please help, will give brainlist!
Free_Kalibri [48]

Answer:

(5, 4 )

Step-by-step explanation:

Given the 2 equations

4x + 6y = 44 → (1)

4x + 2y = 28 → (2)

Subtracting (2) from (1) term by term eliminates the term in x, that is

(4x - 4x) + (6y - 2y) = (44 - 28), that is

4y = 16 ( divide both sides by 4 )

y = 4

Substitute y = 4 into either of the 2 equations and solve for x

Substituting y = 4 in (1)

4x + 6(4) = 44

4x + 24 = 44 ( subtract 24 from both sides )

4x = 20 ( divide both sides by 4 )

x = 5

Solution is (5, 4 )

5 0
4 years ago
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