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koban [17]
3 years ago
5

Sammy draws 3 identical rectangles on his paper. If each rectangle has a base of 15 cm and a height of 12 cm, what is the total

area of all 3 rectangles added together?​
Mathematics
2 answers:
erik [133]3 years ago
6 0

Answer:

<em>540 cm</em>

Step-by-step explanation:

you multiply 15 x12 If you are getting an area 15 x12=180 then you multiply 180 by 3  180x3=540 I think

vagabundo [1.1K]3 years ago
5 0

Answer:

540

Step-by-step explanation:

If you do 15x12 which is the formula for area for a rectangle, you get 180. That's only the area of one rectangle but if you multiply it by 3 you get 540 for the areas added together.

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dimulka [17.4K]

Answer:1,152

you have to multiply each side :)

Step-by-step explanation:

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3 years ago
What is the area of triangle ABC ?
vladimir1956 [14]

Answer:

4.84 square inches

Step-by-step explanation:

To first find the missing angle, 180 - (50+47) = 83

Then I used the formula Area = (a x b x sinc) / 2

Plug in side one for a, side two for b, and the angle between for c

5 0
3 years ago
What is the exponential form of 3x3x3x5x5
Dennis_Churaev [7]

3x3x3x5x5 is in nonstandard form. Please, use " ^ " to denote exponentiation:

3x^3x^3x^5x^5.

Noting that a^b*a^c = a^(b+c), rewrite 3x^3x^3x^5x^5 as 3x^(3+3+5+5) = 3x^16.

5 0
4 years ago
How do you solve this problem
NNADVOKAT [17]
Answer is 9 root3
this is because it is one of the special triangle: with special ration of 2x:root3x:1x
you could plug values into the sin formula as well.

9 cm is the smallest length since it is across from the 30° angle. so there fore 9 is 1x
x is 9.

root3x = 9root3
4 0
3 years ago
Read 2 more answers
–4c+–6–4c+4c
kakasveta [241]

Answer:

-4c-6

Step-by-step explanation:

-4c+(-6)-4c-4c

Group like terms

-4c-4c-4c-6

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-4c-6

8 0
3 years ago
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