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2 years ago

I will give you brainlyest and give you points

Mathematics

1 answer:

allsm [11]2 years ago

5 0

Answer:

VOL_cone is 70.7

which is LESS THAN

the vol of cylinder. VOL_cyl is 71.6

Step-by-step explanation:

Volume of a cone:

V= (1/3)pi•r^2 • h

=(1/3)pi•3^2 • 7.5

= 70.7 cubic inches

(rounded to tenths this is the same if you use a pi key on the calculator or if you use 3.14)

The Volume of a cylinder:

V = pi•r^2 • h

= pi• 2.25^2 • 4.5

= 71.6 cubic inches

(more accurate with pi key, using 3.14 it rounds to 71.5)

The last blank could be the words "less than" but if they are asking for a fraction or percent, calculate by putting the big number on the bottom and the smaller number on top.

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Write the perfect square trinomial that factors as (p + 7q)²

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3 years ago

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Lacey's mom makes her a birthday cake in the shape of an "L" . Lacey loves frosting, so her mom covers the entire outside of the

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8 0

2 years ago

Help please asap. Also please teach how to do this type of problem

lana [24]

Answer:

$64m^{2}$

Step-by-step explanation:

TSA (total surface area) of cuboid= 2(lw+wh+hl)

and the problem said one small cube with 1m width that means it also has 1m length and height

so lets count the cubes for the height, length and width

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Length contains 4 cubes also (4m)
Width contains 2 cubes (2m)

Now lets put the givens we got from the figure in the formula of TSA

2*(4*2+4*2+4*4)=64

5 0

3 years ago

For the equation y=5x+4, determine the value of y when x=−1.

Furkat [3]

Step-by-step explanation:

y = 5x + 4, x = -1

y = 5(-1) + 4

y = -5 + 4

y = -1

5 0

3 years ago

Find the zeros of the following polynomial functions, with their multiplicities. (a) f(x)= (x +1)(x − 1)(x² +1) (b) g(x) = (x −

larisa [96]

Answer:

a) zeros of the function are x = 1 and, x = -1

b) zeros of the function are x = 2 and, x = 4

c) zeros of the function are x = $\frac{3}{2}$

d) zeros of the function are x = $\frac{-4}{3}$ and, x = 17

Step-by-step explanation:

Zeros of the function are the values of the variable that will lead to the result of the equation being zero.

Thus,

a) f(x)= (x +1)(x − 1)(x² +1)

now,

for the (x +1)(x − 1)(x² +1) = 0

the condition that must be followed is

(x +1) = 0 ..........(1)

(x − 1) = 0 ..........(2)

(x² +1) = 0 ...........(3)

considering the equation 1, we have

(x +1) = 0

x = -1

for

(x − 1) = 0

x = 1

and,

for (x² +1) = 0

x² = -1

x = √(-1) (neglected as it is a imaginary root)

Thus,

zeros of the function are x = 1 and, x = -1

b) g(x) = (x − 4)³(x − 2)⁸

now,

for the (x − 4)³(x − 2)⁸ = 0

the condition that must be followed is

(x − 4)³ = 0 ..........(1)

(x − 2)⁸ = 0 ..........(2)

considering the equation 1, we have

(x − 4)³ = 0

x -4 = 0

x = 4

and,

for (x − 2)⁸ = 0

x - 2 = 0

x = 2

Thus,

zeros of the function are x = 2 and, x = 4

c) h(x) = (2x − 3)⁵

now,

for the (2x − 3)⁵ = 0

the condition that must be followed is

(2x − 3)⁵ = 0

2x - 3 = 0

2x = 3

x = $\frac{3}{2}$

Thus,

zeros of the function are x = $\frac{3}{2}$

d) k(x) =(3x +4)¹⁰⁰(x − 17)⁴

now,

for the (3x +4)¹⁰⁰(x − 17)⁴ = 0

the condition that must be followed is

(3x +4)¹⁰⁰ = 0 ..........(1)

(x − 17)⁴ = 0 ..........(2)

considering the equation 1, we have

(3x +4)¹⁰⁰ = 0

(3x +4) = 0

3x = -4

x = $\frac{-4}{3}$

and,

for (x − 17)⁴ = 0

x - 17 = 0

x = 17

Thus,

zeros of the function are x = $\frac{-4}{3}$ and, x = 17

7 0

3 years ago

I will give you brainlyest and give you points​

I will give you brainlyest and give you points