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Dahasolnce [82]
3 years ago
9

The area of a triangle

Mathematics
2 answers:
Naya [18.7K]3 years ago
8 0
The formula to solve the area of a triangle would be 1/2 times the base times the height.
krok68 [10]3 years ago
5 0
The area of a right angled triangle is:

{ A }_{ 1 }=\frac { 1 }{ 2 } ab

<em>*Width would have to be equal to (a) and the length would have to be equal to (b).</em>

The area of an irregular triangle would be:

{ A }_{ 2 }=\frac { 1 }{ 2 } ab\cdot \sin { C }
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The length of a rectangular poster is 2 more inches than three times its width. The area of the poster is 33 square inches. Solv
laiz [17]

Answer:

Step-by-step explanation:

Area of the rectangle = 33 inches sq

Area of a rectangle (formula) = l*b

let the width be x

length = 2 inches + 3x = 2+3x

Area of the rectangle = l*b = 2+3x + x

33 inches sq = 2+3x + x

33 in sq = 2+4x

33/2 = 4x

16.5/4 = x

x = 4.125

width= <u>4.125 inches</u>

length = 2+3x = 2+3(4.125) = <u>14.375</u>

<u></u>

(unless your poster is 32 sq inches and you made a mistake, just replace 33 with 32 and solve it)

7 0
2 years ago
Find x and y please help.
kherson [118]

Answer:

X=11º

Y=26º

Step-by-step explanation:

77=7x      11=x

180=77+77+y        26=y

6 0
2 years ago
Which one??? I need help. Be serious please
Talja [164]

Answer:

c

Step-by-step explanation:

10+12=22

=22^2

=484

4 0
3 years ago
Read 2 more answers
You recycled a total of 30 cans and bottles and made $1.80. For cans you get $0.05 and for bottles
Svetlanka [38]

Answer:

27

Step-by-step explanation:

x + y = 30

0.05x + 0.15y = 1.80

x = 30 - y

1.5 - 0.05y + 0.15y = 1.80

0.10y = 0.30

y = 3 (bottles)

x = 27 (cans)

5 0
3 years ago
Suppose your grandparents put $500 into an investment that earns 12% interest each year. How much, to the nearest cent, will be
SashulF [63]

Answer

After the 10 years with accrued interest, there will be roughly $1,552.92 in the account.

Explanation

Using the given equation A = P(1 +r)^t

We are given that our initial start is $500.

P = 500

We are further told that the percentage interest gained is 12%, so we need to convert this into a decimal to be able to work with it.

12% / 100% = 0.12

r = 0.12

t is then our time in years

t = 10

A = 500(1 + 0.12)^10

A = 500(1.12)^10

A = 500(3.1058)

A = 1,552.92

After the 10 years with accrued interest, there will be roughly $1,552.92 in the account.


3 0
3 years ago
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