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JulsSmile [24]
3 years ago
11

David made a class banner out of a large rectangular piece of paper. He cut a

Mathematics
1 answer:
Irina18 [472]3 years ago
6 0

Answer:

100 in²

Step-by-step explanation:

The area of the banner is equal to the area of the initial rectangle minus the area of the cutout triangle.

The rectangle has a height of 8 inches and width of 14 inches, so its area is:

A = (8 in) (14 in) = 112 in²

The triangle has a base of 8 inches and a height of 3 inches, so its area is:

A = ½ (8 in) (3 in) = 12 in²

So the area of the banner is 112 in² − 12 in² = 100 in².

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Find the value of y
Rainbow [258]
You'll apply the geometric mean formula. The idea is to multiply the two pieces of the hypotenuse: 5*11 = 55

Then apply the square root to get sqrt(55)

The exact answer in terms of radicals or square roots is sqrt(55)

Using a calculator, the approximate answer is sqrt(55) = 7.416198

If your teacher wants you to use a proportion, then one way to do it is to have
11/y = y/5
11*5 = y*y
55 = y^2
y^2 = 55
y = sqrt(55)
y = 7.416198 approximately
4 0
4 years ago
The school fu fair made $1768 on games and $978 on food sales. How much money did the fun fair make on games and food sales?
ololo11 [35]

1768 + 978 = 2746
because when you add 1768 and 978 it would equal $2746 so the total between the both is 2746 so your answer is 2746
8 0
3 years ago
How many triangles can be constructed with three sides measuring 11 meters 16meters and 26 meters
Semenov [28]

Answer:

One  

Step-by-step explanation:

The most triangles you can make from three given sides is <em>one</em>.

However, you may not be able to make any.

To form a triangle, the sum of the two smaller sides must be <em>greater than</em> the longest side.

16 + 11 > 26, so you can form one triangle: an obtuse scalene triangle.

6 0
3 years ago
Mr.Tricon’s class is tracking the number of books read each week.The class goal is to read 50 books.How many more books does the
ss7ja [257]
1+8+6+12=27……………………..
6 0
3 years ago
What is the area of one face of a cube if the cube measures 6.6 inches on each side?
Umnica [9.8K]
Since all sides of a cube are congruent, the area of one face of the cube can be found using the area formula of a square. A= length x width

Since all sides are the same, you can fill in your formula as:
6x6
Multiply and you get
6 x 6= 36

Then, make sure you use the proper units for area and your final answer is
36 in^2
8 0
3 years ago
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