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kipiarov [429]
3 years ago
11

What is the area of the triangle below? Please explain too.

Mathematics
1 answer:
Neko [114]3 years ago
5 0

Answer:

144 ft^2

Step-by-step explanation:

property of 45-45-90 triangle: side lengths are 12rt2

12rt2*12rt2/2=144

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AVprozaik [17]

Answer:

x=−y−1

Step-by-step explanation:

y=−x−1

Step 1: Flip the equation.

−x−1=y

Step 2: Add 1 to both sides.

−x−1+1=y+1

−x=y+1

Step 3: Divide both sides by -1.

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3 years ago
Whats the easiest way to do long division
Anastaziya [24]

Answer:

Set up the equation. On a piece of paper, write the number being divided on the right, under the division symbol, and the number doing the division to the left on the outside. ...

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6 0
3 years ago
Find the value of x explain how you got your answer ​
aliya0001 [1]

Answer:

step 1: x+50+4x=90

the angle of a right-angled triangle is 90 degrees, therefore if we add everything together ,we could work out what x is.

step 2: x+50+4x=90

                  x+4x=50

                      5x=50

                        x=10

then you solve the equation, x is 10

4 0
2 years ago
Lucas is making a banner that has an area of 2,046 square centimeters and has a length of 62 centimeters. Emily is making a bann
UkoKoshka [18]
B and c are correct because you use divison and multiplication to get the right answer and the right answer is 99cm
4 0
3 years ago
Read 2 more answers
28 points !!!! help
RoseWind [281]

Answer:

12 cm

Step-by-step explanation:

The area (A) of a trapezium is calculated as

A = \frac{1}{2} h (a + b)

where h is the perpendicular height and a, b the parallel bases.

Here A = 45, h = 5, a = 6 and b = ?, thus

45 = \frac{1}{2} × 5 × (6 + b) = 2.5(6 + b) = 15 + 2.5b ( subtract 15 from both sides )

30 = 2.5b ( divide both sides by 2.5 )

b = 12

The measure of the other parallel side is 12 cm

8 0
3 years ago
Read 2 more answers
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