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Eddi Din [679]
2 years ago
14

Please help on this i dont get it at all!

Mathematics
1 answer:
OverLord2011 [107]2 years ago
7 0

I hope this helps you out!!

We start off by drawing out the triangle on a graph! Placing points (x ,y) at

(-3, 5), (-5, -2) and (2, -2). I've included a screenshot of how the triangle should look to help you out visually!

From there, to find the area we use the equation, area = \frac{1}{2} b • h.

To find the base, we subtract: -5 - 2 = -7, meaning that the base equals 7.

And to find the height, we subtract: 5 - (-2) = 7, also meaning that the height equals 7 as well.

Plugging those two numbers in the equation for area, we get:

area = \frac{1}{2} 7 • 7

area = \frac{1}{2} 49

area = 24.5 or 24 1/2, in this case your answer should be B.

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6 0
3 years ago
A campus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. The club members charge
OLEGan [10]

Answer:

The number of  bacon and egg sandwiches sells are 2 .

Step-by-step explanation:

Let us assume that the number of coffee cups campus club sells be x .

Let us assume that the number of muffins  cups campus club sells be y .

Let us assume that the number of bacon and eggs sandwiches campus club sells be z .

As given

Campus club sold a total of 55 items .

Thus the equation becomes

x + y + z = 55

Of the club members sold 5 more muffins than cups of coffee .

Thus

Number of muffins = 5 + Number of cups of coffee

y = 5 + x

Putting the value of y in the equation x + y + z = 55 .

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As given

The club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a bacon and egg sandwich and earns $119 .

Thus the equation becomes

x + 3y + 4z = 119

Putting the value of y in the above

x + 3 × (x + 5) + 4z = 119

x + 3x + 15 + 4z = 119

4x + 4z = 119 - 15

4x + 4z = 104

Simplify the above

x + z = 26

Thus the two equations are

2x + z = 50

x + z = 26

Multiply x + z = 26 subtracted from 2x + z = 50.

2x -x + z - z = 50  - 26

x = 24

Put the value of x in x + z = 26 .

24 + z =26

z = 26 - 24

z = 2

Therefore the number of  bacon and egg sandwiches sells are 2 .

7 0
3 years ago
Mrs. Rodriguez is going to use 6 1/3 yards of material to make two dresses . the large dress requires3 2/3 yards of material. ho
Dmitry_Shevchenko [17]

Answer:

She has 6 1/3. The larger dress need 3 2/3. So 6 1/3 - 3 2/3 = 2 2/3

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Step-by-step explanation:

7 0
3 years ago
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