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adell [148]
2 years ago
9

In a survey of 600 students in a school. 150 student were found to be taking tea and 225 taking coffee, 100 were taking both tea

and coffee Find how many Students were taking neither tea nor coffee​
Mathematics
2 answers:
EastWind [94]2 years ago
7 0

Answer:

125

Step-by-step explanation:

600=150+225+100+X=475+X

600-475=125=X

X=125

KonstantinChe [14]2 years ago
3 0

Answer: 325 I believe!

Step-by-step explanation:

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For what value of x is the area of the rectangle greater than the perimeter? The base of the perimeter is x+2
TiliK225 [7]
If we call the area A, then A=7(x+2)=7x+14
if we call the perimeter P, then P=7*2+2(x+2)=2x+18
A>P
7x+14>2x+18
subtracting 14 gives 7x>2x+4
subtracting 2x gives 5x>4
dividing by 5 gives x>\frac{4}{5}
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8 0
3 years ago
Phone, it can expect to sell 1,000-2x phones.
Andreas93 [3]

Answer:

Step-by-step explanation:

The x intercepts are 0 and

1000 - 2x = 0              given condition

1000 = 2x                   Divide by 2

500 = x

So the two intercepts are 0,0 and 500,0

The intercepts mean that for (0,0) the phone company hasn't charged anything, yet. For 500,0 the phone company can sell a single phone -- not when they cost 500 dollars apiece.

The answer to the B part is completing the square.

r(x) = - 2x^2 + 1000x

r(x) = -2(x^2 - 500x )

1/2 ( 500) = 250

250^2 is what you put inside the bracket's to complete the square.

r(x) =  - 2(x^2 - 500x + 250^2) + 2*250^2

r(x) = -2(x - 250)^2 + 2*62500

r(x) = - 2(x - 250)^2 + 125000

They should sell their phones at 250 dollars a piece. The total revenue is 125000. Your graph shows exactly the same thing.

4 0
2 years ago
1 and 3/4 as an improper fraction
expeople1 [14]
7/4 you do this because, for example you can think of it like pizza and pizza slices. You have 1 pizza and 3/4 of a pizza, let’s say each slice is 1/4 of a pizza. How many slices do you have altogether? Seven. You can also think of 1 as 4/4, so the just add 3/4 + 4/4 (which is technically just 3+4) = 7/4
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3 years ago
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38.15 ft is the height of the tower using tangent
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Darya [45]
Divide the bh by 1/2

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