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Pachacha [2.7K]
3 years ago
8

WILL GIVE BRAINLIEST PLEASE HELP

Mathematics
1 answer:
kakasveta [241]3 years ago
7 0

Answer:

Step-by-step explanation:

y intercept is <u>8.53 hrs</u>

-0.73(4) + 8.53 = <u>5.61 hrs</u>

slope is -<u>0.73 hr</u>

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Representation of the function f(x)=-2x2+8x-6
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X-intercepts: (1,0), (3,0)
Y-intercepts: (-6,0)
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3 years ago
An artist creates a​ cone-shaped sculpture for an art exhibit. If the sculpture is 5 feet long and has a base with a circumferen
Semenov [28]

the volume of the​ sculpture is Volume = 64.11ft^3 .

<u>Step-by-step explanation:</u>

Here we have , An artist creates a​ cone-shaped sculpture for an art exhibit. If the sculpture is 5 feet long and has a base with a circumference of 21.980 feet, We need to find the volume of the​ sculpture . Let's find out:

We know that

⇒ Circumference = 2\pi r

According to question ,

⇒ 21.980 = 2\pi r

⇒ \frac{21.980}{2\pi} =  r

⇒ r=3.5

Now , We know that Volume of cone :

⇒Volume = \frac{1}{3}\pi r^2h

⇒Volume = \frac{1}{3}(3.14) (3.5)^25

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Therefore , the volume of the​ sculpture is Volume = 64.11ft^3 .

4 0
3 years ago
Write 3.242424... as a mixed number.
victus00 [196]

Answer:

3\frac{8}{33}

Step-by-step explanation:

3.242424.....

This number can be written as 3  + 0.242424....

We convert the decimal part into fraction

Let x= 0.242424......

Multiply both sides by 100

100x = 24.2424....

     x=     0.2424.....

------------------------------------- (subtract  it)

99x = 24

Divide both sides by 99

So x= 24/ 99

simplify the fraction

\frac{24}{99} =\frac{8}{33}

3.242424... can be written as 3  + 0.242424....

Replace the fraction for decimal

So final answer is 3\frac{8}{33}


7 0
3 years ago
10 students of a class had a mean score of 70. The remaining 15
Anton [14]

Oops someone else answered it before me

3 0
3 years ago
Nada is making square coasters with sides of 3 inches. On each coaster is a circular design. What is the radius of the largest c
Natasha2012 [34]

Answer:

1.5

Step-by-step explanation:

diameter is half the length of the circle so if it is 1.5 the full length will be 3 inches which is the full length of the coaster

4 0
3 years ago
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