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scZoUnD [109]
4 years ago
15

This one too thanks !!

Mathematics
1 answer:
Varvara68 [4.7K]4 years ago
5 0
2 1/7 
your welcome give me brainliest
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Find the perimeter of ABC with vertices A (1,1), B (7,1), and C (1,9)
Effectus [21]

Answer:

24 unit

Step-by-step explanation:

Given,

The vertices of the triangle ABC are,

A (1,1), B (7,1), and C (1,9),

By the distance formula,

AB=\sqrt{(7-1)^2+(1-1)^2}=\sqrt{6^2}=6\text{ unit}

BC=\sqrt{(1-7)^2+(9-1)^2}=\sqrt{6^2+8^2}=\sqrt{36+64}=\sqrt{100}=10\text{ unit}

CA=\sqrt{(1-1)^2+(1-9)^2}=\sqrt{8^2}=8\text{ unit}

Thus, the perimeter of the triangle ABC = AB + BC + CA = 6 + 10 + 8 = 24 unit

4 0
3 years ago
Juan is determining the volume of a box using the expression 7.2*8.4*12.8 how many digits will be shown to the right of the deci
beks73 [17]

Answer:

Juan will have 3 digits after decimal.

Step-by-step explanation:

A number having one digit after decimal when multiplied by another number having single digit after decimal, we get a number having two digits after decimal.

Example:

0.2 × 0.6 = 0.12

0.3 × 0.3 = 0.09

Now we have to find the volume of a box having dimensions 7.2 units by 8.4 units by 12.8 units.

Volume = 7.2×8.4×12.8 [Each number having one digit after decimal]

             = 774.144 unit³ [Number with 3 digits after decimal]

Therefore, Juan will have 3 digits after decimal in the final answer.

5 0
3 years ago
Please help me with this geometry question
77julia77 [94]

Answer:

C: Point T

Step-by-step explanation:

Hopefully this helps!

3 0
3 years ago
Factor the expression completely. 4-10x 4−10x
Bad White [126]

Answer:

6x 6x

I might be wrong

Step-by-step explanation:

I hope that's the answer

8 0
3 years ago
What is 1 1/4 divided by 16? In decimal?
WINSTONCH [101]
0.078125
Hope u like it
4 0
3 years ago
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