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3 years ago

The 8 has a value of 8 x ?

Mathematics

1 answer:

kobusy [5.1K]3 years ago

5 0

Im confused on what ur asking but maybe it’s 8

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Write the equation of a line that is perpendicular to y=−1 and that passes through the point (8,-4)

Vera_Pavlovna [14]

Answer:

perp. slope: 1

y + 4 = x - 8

y = x - 12

5 0

3 years ago

Find the volume of the cone. Use 3.14 for π. Round to the nearest tenth.

Leviafan [203]

$Volume\,\,of\,\,cone=1527.1\,\,cm^3$

So, Option C is correct.

Step-by-step explanation:

We need to find Volume of cone.

We are given:

π = 3.14

Length = 27 cm

Diameter = 15 cm

The formula used to find Volume of cone is:

$Volume\,\,of\,\,cone=\frac{1}{3}\pi r^2h$

We are given diameter but we need radius in the formula

So, Radius = Diameter/2 = 15/2 = 7.5 cm

We need to find height of cone.

Using Pythagoras theorem:

$h^2=p^2+b^2\\ (27)^2=p^2+(7.5)^2\\729=p^2+56.25\\p^2=729-56.25\\p^2=672.75\\Taking\,\,square\,\,root:\\p=25.93$

So, Height of cone = p= 25.93

So, r= 7.5 and h= 25.93 and π = 3.14

Putting values in the formula:

$Volume\,\,of\,\,cone=\frac{1}{3}3.14*(7.5)^2*25.93$

$Volume\,\,of\,\,cone=1526.62$

Rounding off to the nearest tenth:

$Volume\,\,of\,\,cone=1527.1\,\,cm^3$

So, Option C is correct.

Keywords: Volume of cone.

Learn more about Volume of cone at:

#learnwithBrainly

6 0

4 years ago

Help me ASAP

KonstantinChe [14]

2 * 4 = 8

8 < 11 is true

2 * 5 = 10

10 < 11 is true

2 * 5.3 = 10.6

10.6 < 11 is true

2 * 5.7 = 11.4

11.4 < 11 is NOT true.

x = 5.7 is not a solution.

3 0

3 years ago

Read 2 more answers

Determine if f(x)= x + 12/ x is even, odd, or neither

Reptile [31]

F(-x)=-x+(12/-x)=-x-12/x
odd function

3 0

3 years ago

HELP PLEASE

Alex787 [66]

The answer that i got for your question is the first answer.

3 0

3 years ago

Read 2 more answers