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3 years ago

I need the answer quick please!!!!

Mathematics

1 answer:

4vir4ik [10]3 years ago

4 0

Answer: it says $18 plus $3. The equation would be y = 3x + 18 like said. And for the other one it’s y = 5x + 12 following the same logic.

I know I’m not helping much but I’m rushing rn. Hope this helps?

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For f(x) = 4x +1 and g(x) = x2 -5, find (f 3)(x).

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3 years ago

Write the equation of the line through (3,9) and (-2,9)

strojnjashka [21]

Answer:

y = 9

Step-by-step explanation:

y-y1 = m(x-x1)

m is the slope =y2-y1/x2-x1=9-9/-2-3=0

pick any number out of the given two for (x1, x2)

y-9 = 0*(x-3) so

y-9 = 0 add 9 to both sides

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3 years ago

Factor 4x^2 -6w+2x-12xw

kirill [66]

Answer:

2(2x+1)(x-3w)

7 0

4 years ago

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Find the volume of the solid where the cone and half sphere are hollow. Use 3.14 for П ; height is 19 in; radius is 5 in. Round

Vera_Pavlovna [14]

Volume of Solids

The volume of the solid is 758.83 in³

Step-by-step explanation:

Given that the cone and half sphere is hollow

The volume of the cone = $1/3 \pi r^{2} h\\$

The Volume of the sphere = $4/3 \pi r^{3}$

So the Volume of the half sphere = $2/3\pi r^{3}$

The volume of solid = volume of cone + volume of the half sphere

$V = V_{1} + V_{2}$

Given

height h = 19 in

radius r = 5 in

$V_{1\\}$ = $1/3 \pi r^{2} h$

= 1/3 × 3.14 × 5 × 5 × 19

= 497.16 in³

$V_{2} = 2/3 \pi r^{3}$

= 2/3 × 3.14 × 5 × 5 × 5

= 261.67 in³

V = 497.16 in³ + 261.67 in³

= 758.83 in³

Hence the volume of the solid is 758.83 in³

3 0

4 years ago

6 pencils costs 36 cents. How much do 2 pencils cost?

Nina [5.8K]

Answer:

72 cents

Step-by-step explanation:

5 0

3 years ago

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