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2 years ago

Please answer! Find EF in the trapezoid. EF= (Everything in picture above)

Mathematics

1 answer:

BARSIC [14]2 years ago

8 0

Ed because 2 and 8 are equal

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I Is x= -2 a solution to: a. 7X = -1 b. X* 14 = -28

raketka [301]

Answer:

Step-by-step explanation:

-2 x 14 = -28

b is the answer

8 0

3 years ago

PLZ HELP!!!!!!!!!!!!!!!!!!

Inessa05 [86]

Answer:

D.) If soccer balls are sold for $2.05 or $14.61 each, the store will break even but will not make a profit.

Step-by-step explanation:

Let us assume x = selling price of each soccer ball

y = daily profit earned from selling of soccer balls

Given that

Y= $-6x^2+100x-180$

where,

a = -6

b = 100

c = -180

Now we have to applied the formula which is as follows

x $= \frac{-b\pm\sqrt{b^2-4ac}}{2a}$$

$= \frac{-100\pm\sqrt{100^2-4\times -6\times -180}}{2\times -6}$$

$= \frac{-100\pm\sqrt{10,000 - 4,320}}{-12}$$

$= \frac{-100\pm\sqrt{5.680}}{-12}$$

$= \frac{-100 + 75.3658}{-12}$$

$= \frac{24.6342}{-12}$

x^1 = -2.05285

Now

x^2 $= \frac{-100 - 75.3658}{-12}$$

$= \frac{- 175.3658}{-12}$

x^2 = 14.6138

Based on this the option D is most appropriate as per the given situation

4 0

3 years ago

Read 2 more answers

Courtneys belong to a health club that charges monthley fee of $25, plus $80 to join

densk [106]

PART A: the function is
Y=25x+80
X represents the number of months.

PART B:
You plug in 6 for X
(25*6)+80=230

5 0

3 years ago

Which set of side lengths form a right triangle?

Reil [10]

I just took the test and the answer was D
50 in, 48 in, 14 in are the side lengths that form a right triangle

4 0

3 years ago

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A=5 btw Please help btw I’m in 7th Grade

AlexFokin [52]

Answer:

1. a =3(2a) +5 and a= 6a+5

2. 47=3(2times 7) +5 and 47 =6 time 7 plus 5

Step-by-step explanation:

5 0

2 years ago