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ICE Princess25 [194]
3 years ago
10

What is the approximate volume of the cone below?

Mathematics
1 answer:
kogti [31]3 years ago
8 0
733 is the answer (gshhebd
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I kind of need help. I completely forgot how to do ratios
lana66690 [7]

Answer:

7:5

Step-by-step explanation:

a:b=4:5

a:c=2:7

c:b=7:5

brainliest please!!!<3

7 0
3 years ago
Graph line of the equation y=−2x−2
lukranit [14]

Explanation:

The minimum number of points needed to draw a strait line graph is 2. However, 3 is better as one of them forms a check. They should all line up. If not then something is wrong.

Lets determine 2 points

The line will 'cross' the y axis at

x

=

0

and cross the x axis at

y

=

0

So we can determine these points (intercepts) by substitution.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

For y-intercept set

x

=

0

giving:

y

=

2

x

.

.

+

2

y

=

(

2

×

0

)

+

2

→

y

=

2

So y-intercept is at the point

(

x

,

y

)

=

(

0

,

2

)


For x-intercept set

y

=

0

giving:

0

=

2

x

+

2

Subtract

2

from both sides

0

−

2

=

2

x

+

2

−

2

−

2

=

2

x

+

0

Divide both sides by

2

−

2

2

=

2

2

×

x

But

−

2

2

=

−

1

and

2

2

=

+

1

−

1

=

x

So the y-intercept is at the point

(

x

,

y

)

=

(

−

1

,

0

)


7 0
3 years ago
Suppose Y varies directlly With x. If y= 6 when x=2 find x when y= 12
coldgirl [10]

Answer:

The value of x = 4 when the value of y = 12

Step-by-step explanation:

∵ y α x ⇒ it is direct variation

- It means y increase when x increase

∴ y = kx ⇒ where k is a constant

- To find the value of k we will substitute the values of x

  and y in the equation above

- If y = 6 when x = 2

∴ 6 = k(2) ⇒ divide two sides by 2

∴ k = 3

∴ y = 3x ⇒ equation of variation

- To find the value of x when y = 12

- Substitute the value of y in the equation of variation

∴ 12 = 3x ⇒ divide both sides by 3

∴ x = 4

* The value of x = 4 when the value of y = 12

4 0
3 years ago
Read 2 more answers
At the end of a snow storm, Riley saw there was a lot of snow on her front lawn. The temperature increased and the snow began to
9966 [12]

Answer: the x-intercept of the fuction is 13 which represents the number of hours unit

All the snow has melted

Step-by-step explanation:

4 0
3 years ago
230% of some number is 48.2. what is the number?
expeople1 [14]
230% of some number is 48.2. What is the number? The number is 46
6 0
3 years ago
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