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Oksana_A [137]
3 years ago
8

What number would you add to complete the square? x^2+14x=0

Mathematics
1 answer:
hjlf3 years ago
7 0
You would need to go in the order of pemdas
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If 75 people attend a concert and tickets for adults cost $2.75 while tickets for children cost $2.25 and
Serhud [2]

Answer:

Adult = 39

Children = 36

Step-by-step explanation:

The total number of people = 75

Cost of adult ticket = $2.75

Cost of children ticket = $2.25

Total receipts = $188.25

Let the number of adult = x

Let the number of children = y

X + y = 75 ......equation (i)

(X × 2.75) + (y × 2.25) = 188.25

2.75x + 2.25y = 188.25.......equation (ii)

To find the numbe of adult and children that attended, we'll have to solve equation (i) and (ii) simultaneously.

From equation 1,

X + y = 75

X = 75 - y......equation(iii)

Put equation (iii) into equation (ii)

2.75*(75 - y) + 2.25y = 188.25

206.25 - 2.75y + 2.25y = 188.25

206.25 - 0.5y = 188.25

Collect liketerms

0.5y = 206.25 - 188.25

0.5y = 18

Y = 18 / 0.5

Y = 36

Put y = 36 into equation (i)

X + 36 = 75

X = 39

Therefore the number of adult is 39 while that of children is 36.

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3 years ago
How do you rwite an equation in slope intercept form?
Free_Kalibri [48]
Use a online equation to slope form calculater it gives you all the steps. Hope this helps.
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I NEED THE ANSWER ASAP PLEASEEEE
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Well, I need a picture
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Read 2 more answers
Help please thank you!
irga5000 [103]

Answer:

Step-by-step explanation:

W(-4,-10) lies on third quadrant.

M(-12,0) lies on second quadrant or can say in x axis

C(8,3) lies on first quadrant.

K(11,-5) lies on fourth quadrant.

8 0
3 years ago
If you have the circumference of a circle. How do you find the radius?
algol13

The formula for finding c...” No, you would divide it. The formula for finding circumference is 2 x pi x r, where r is the radius. 2 x r = d, where d is diameter.

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3 years ago
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