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geniusboy [140]
2 years ago
11

Please help 20 points

Mathematics
2 answers:
patriot [66]2 years ago
5 0

Answer:

138

Step-by-step explanation:

6*7=42

8*6=48

6*8=48

42+48+48=138

Zielflug [23.3K]2 years ago
3 0
Your awnser is 120 if I’m wrong please tell me and I’ll help you again
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Please please pleaseee help me on this :) it would be amazing
Semenov [28]

Answer:

Turn off battery supply → The electromagnet turns off.

Place a magnet care inside the coil of wire → The strength of the electromagnet increases.

Change the direction in which the current flows → The poles of the electromagnet reverses

3 0
3 years ago
The data set 80, 84, 79, 44, 87, 73, 89, 90, 82, 89, 93, 97, 77, and 71 is graphed below. A graph shows the horizontal axis labe
guajiro [1.7K]

Based on the information given, it can be deduced that the distribution is a skewed distribution and the best choice is a median.

<h3>How to calculate the mean.</h3>

The mean will be:

= (80 + 84 + 79 + 44 + 87 + 73 + 89 + 90 + 82 + 89 + 93 + 97 + 77 + 71) / 14

= 1135/14

= 81.07

The median will be the middle number after the numbers are arranged in ascending order. This will be:

44, 71, 73, 77, 79, 80, 82, 84, 87, 89, 89, 90, 93, and 97. Therefore, the median will be:

= (82 + 84) / 2

= 83

Lastly, the measure of center that is the best choice for this data set is median.

Learn more about median on:

brainly.com/question/14805451

8 0
2 years ago
Read 2 more answers
When the shaded region below is rotated about the x-axis the resulting solid is a circular cone with radius 2 m and height 3 m.
WARRIOR [948]

Answer:

Therefore, the volume of the cone is V=4π.

Step-by-step explanation:

From task we have a circular cone with radius 2 m and height 3 m. We use the disk method to find the volume of this cone.  

We have the formula:

\boxed{V=\int_0^h\pi \cdot \left(\frac{r}{h}x\right)^2\, dx}

We know that r=2 and h=3, and we get:

V=\int_0^3\pi \cdot \left(\frac{2}{3}x\right)^2\, dx\\\\V=\int_0^3 \pi \frac{4}{9}x^2\, dx\\\\V= \frac{4\pi}{9} \int_0^3 x^2\, dx\\\\V= \frac{4\pi}{9} \left[\frac{x^3}{3}\right]_0^3\, dx\\\\V= \frac{4\pi}{9}\cdot 9\\\\V=4\pi

Therefore, the volume of the cone is V=4π.

7 0
3 years ago
A line passes through the point (4,–2) and is perpendicular to the line with the equation y = 2∕3x + 4. What's the equation of t
prisoha [69]

Answer:

Step-by-step explanation:

perp. -3/2

y + 2 = -3/2(x - 4)

y + 2 = -3/2x + 6

y = -3/2x + 4

answer is D

5 0
3 years ago
I speak with a mouth
mylen [45]

Answer:

is it an echo

Step-by-step explanation:

. ................

8 0
3 years ago
Read 2 more answers
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