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Damm [24]
2 years ago
10

A triangle ABC has A(1,-4) B(3,-1) C(3,-8).Find the length of the sides AB and AC

Mathematics
1 answer:
mr_godi [17]2 years ago
4 0

Answer:

Step-by-step explanation:

AB=\sqrt{(1^{2} -3^{2})+((-4)^{2} -(-1)^{2} ) }

     =\sqrt{7}

AC=\sqrt{(3^{2} -1^{2} )+((-8)^{2}- (-4)^{2} )} \\

     =\sqrt{56}

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Arte-miy333 [17]
Cylinder (A):
-Surface area: adding all areas of all faces of the shape.

*10 x 6= 60m^3
*3.14 x 3^2 = 28.274 m^2. Then We times it by 2 since we have 2 circles. Which equals to 56.55m^2

Total surface area: 60 + 56.55 = 116.55m^2

-Volume: 3.14 x r^2 x h, then substitute.

*3.14 x 3^2 x 10 = 282.74m^3

(B):
-surface area:

*7 x 11= 77
*5 x 11 = 55
*11 x 11 = 121
*7 x 5 = 35/2 = 17.5 > then again we times it by 2 cuz we have 2 triangles. Which equals to 35.

Total surface area: 77 + 55 + 121 + 35 = 288 cm^2

-Volume:
*7 x 5 x 11 = 385 cm^3

Make sure to check the units!!!
Hope this helped :)
3 0
3 years ago
Which of the following expressions represents “the quotient of nine times a number and seven ?
blsea [12.9K]

Answer:

9n÷7

Step-by-step explanation:

A quotient means a ratio or one quantity being divided by another, or in algebraic terms (a/b). In this case, the first quantity is "nine times a number" represented in terms of n as (n). The other quantity is just the number 7.

Dividing the 9 times n by 9 gives us the following:

9n÷7

<u><em>Hope this helps :></em></u>

7 0
3 years ago
Milly has 636 shopkins arranged in 12 rows how many shopkins are in each row
kodGreya [7K]
Divide 636 / 12 which equals 53 ?
8 0
3 years ago
Read 2 more answers
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anygoal [31]

Answer:

360 inch

Step-by-step explanation:

Step 1: Converting

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Step 2: Finding the area

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8 0
3 years ago
Misty took a multiple choice test in science that had 50 questions. If the relationship between the number she got correct and t
Alex
In this case, the total number of questions in the test is 50. The possible outcome for the question would be answered wrong, answered correctly or not answered. To know the amount of the correct answer, you need to multiply the incorrect with correct/incorrect ratio. The equation would be:
correct answer: 9 answer * 7/3= 21 answer.

Then for this test misty has:
9 incorrect answer
21 correct answer
20 blank/ not answered
4 0
3 years ago
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