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Fittoniya [83]
3 years ago
12

(-4).(-8) = Please helpppp

Mathematics
1 answer:
jenyasd209 [6]3 years ago
7 0

Answer:

32

Step-by-step explanation:

negative times negative = positive

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find the volume of the cone. either enter exact answer in terms of pi or use 3.14 for pi and round your final answer to the near
SCORPION-xisa [38]

Answer:

6\pi u^3 = 18.8u^3

Step-by-step explanation:

the information we have is:

  • the radius of the circle in the base: r=3u (u for units)
  • and the height of the cone: h=2u

to find the volume we need the formula for the volume of a cone:

V=\frac{\pi r^2h}{3}

where r is the radius and h is the height.

Substituting the known values to find the volume:

V=\frac{\pi (3u)^2(2u)}{3} \\\\V=\frac{\pi (9u^2)(2u)}{3}\\ \\V=\frac{18\pi u^3}{3}\\ \\V=6\pi u^3

the volume in terms of \pi is 6\pi u^3

and if we substitute the value of pi: \pi=3.14 we get:

V=6(3.14)u^3\\V=18.8u^3

5 0
3 years ago
Read 2 more answers
What is 38 times 4 plus the square root of 30
bulgar [2K]

Answer:157.47722557

Step-by-step explanation:

6 0
3 years ago
39 is the percent of 12.5
Rashid [163]
You mean '39 is what percent of 12.5 ?'

So, the answer is

39/12.5 × 100
= 3.12 × 100
= 312%

So, 39 is 312% of 12.5.

(The percentage is greater because 39 is greater than 12.5)
7 0
3 years ago
(x+ 3/8 ​ ) 2 + y 2 =1<br> what is the radius &amp; units?
Pani-rosa [81]

The radius of the circle of the circle equation (x + 3/8)^2 + y^2 = 1 is 1 unit

<h3>How to determine the radius of the circle?</h3>

The circle equation of the graph is given as:

(x + 3/8)^2 + y^2 = 1

The general equation of a circle is represented using the following formula

(x - a)^2 + (y - b)^2 = r^2

Where the center of the circle is represented by the vertex (a, b) and the radius of the circle is represented by r

By comparing the equations (x - a)^2 + (y - b)^2 = r^2 and (x + 3/8)^2 + y^2 = 1, we have the following comparison

(x - a)^2 = (x + 3/8)^2

(y - b)^2 = y^2

1 = r^2

Rewrite the last equation as follows:

r^2= 1

Take the square root of both sides of the equation

√r^2 = √1

Evaluate the square root of 1

√r^2 = 1

Evaluate the square root of r^2

r = 1

Hence, the radius of the circle of the circle equation (x + 3/8)^2 + y^2 = 1 is 1 unit

Read more about circle equation at:

brainly.com/question/1559324

#SPJ1

8 0
2 years ago
On a graph with y-values ranging from 1,013,020 to 9,618,115, what is a reasonable scale to use on a y-axis with 10 tick marks?
Dominik [7]
9618115-1013020 = 8605095

                            8605095/10 = 860509.5  per tick mark starting at 1,013,020
8 0
3 years ago
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