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tester [92]
3 years ago
7

Need help on this one please

Mathematics
1 answer:
Archy [21]3 years ago
3 0
The answer is A because there are only acute angles
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Giving brainlist to whoever answers
Elena-2011 [213]

Answer:

14

Step-by-step explanation:

The trapezoids are similar, so you need to find which sides allign with each other. It can be seen that among the paralel sides of the trapezoid, the longer ones will be similar by the factor of 2. So, 2*7=14

6 0
2 years ago
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The drama club is selling tickets for a play. The profit, y, is
Goshia [24]

Answer:

80 tickets

Step-by-step explanation:

Given the profit, y, modeled by the equation, y = x^2 – 40x – 3,200, where x is the number of tickets sold, we are to find the total number of  tickets, x, that need to be sold for the drama club to break  even. To do that we will simply substitute y = 0 into the given the equation and calculate the value of x;

y = x^2 – 40x – 3,200,

0 = x^2 – 40x – 3,200,

x^2 – 40x – 3,200 = 0

x^2 – 80x  + 40x – 3,200 = 0

x(x-80)+40(x-80) = 0

(x+40)(x-80) = 0

x = -40 and x = 80

x cannot be negative

Hence the total number of  tickets, x, that need to be sold for the drama club to break  even is 80 tickets

8 0
3 years ago
50 pointsssssssssssssss!!!!!!!!!!!!!!!!! check image!!!!!!!!!!!!!!!!!!!!1111111
Ivahew [28]
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7 0
3 years ago
How do I solve this??
pshichka [43]
Well, first you should make both sides of the equation to the power of 2. 
So, you'll have 7X = 1225, and then X is 175 :)

Have a wonderful day! 
6 0
3 years ago
If three times a number is increased by 4, the result is -8. Determine the number.
Natali [406]

Answer:

Step-by-step explanation:

let the number is x

3x+4=-8

3x=-8-4

3x=-12

x=-4

3 0
3 years ago
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