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Korvikt [17]
3 years ago
14

S-star rating! Thanks on question/Profile! first to answer ALL gets brainliest!!

Mathematics
1 answer:
kramer3 years ago
6 0
4. (-2,6) third
5. (none) first
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What is 672 ,456 in expanded form
garri49 [273]
600,000+70,000+2,000+400+50+6
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3 years ago
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On two examinations, you have grades of 87 and 86. There is an optional final examination, which counts as one grade. You decide
noname [10]

Step-by-step explanation:

We have

87+86+x

T is the total scores

n is number of tests done = 3

T/n is greater than or equal to 90

To get minimum test

T/n = 90

T = 90*n

= 90n

We solve for x

Remember n = 3

90x3 = 270

270 = 87+86+x

270 = 173+x

X = 270-173

X = 97

1.

X = 97

2.

You didn't add a value in your part b question. I used 80 though.

T/n < 80

T<80n

80x3= 240

T<240

87+86+x<240

X<240-173

X<67

X has to be less than 67 so we conclude that if x <=67 b grade will be lost.

3 0
3 years ago
Dylan is making a recipe casserole that serves 4 people. The recipe calls for shredded cheese. Would it be more reasonable for D
dezoksy [38]
It would be more reasonable to measure the cheese in kilograms since kilograms are smaller than grams.
4 0
4 years ago
Read 2 more answers
Round to the nearest tenth<br> ∛-25
Novay_Z [31]
Here we see that the number 27 is closer to 30 than 20. Here we cannot see whether 25 is closer to 20 or to 30. If the digit following the rounding place is 0, 1, 2, 3, or 4, we round down. If the digit following the roundingplace is 5, 6, 7, 8, or 9, we round up.
5 0
3 years ago
Revenue from Monorail Service, Las Vegas In 2005 the Las Vegas monorail charged $3 per ride and had an average ridership of abou
Karolina [17]

Answer:

A)The required linear demand equation ( q ) = -4500p + 41500

B) $4.61

   $95680.55

C) No it would not have been possible by charging a suitable price

Step-by-step explanation:

<u>A)  find the linear demand equation</u>

given two points ; ( 3, 28000 ) and ( 5, 19000 )

slope ( m ) = ( y2 - y1 ) / ( x2 - x1 )

                 = ( 19000 - 28000 ) / ( 5 - 3 )  = -4500

slope intercept is represented as ; y = mx + b

where y( 28000) = -4500(3) + b

  hence b = 41500  

hence ; y = -4500x + 41500

The required linear demand equation ( q ) = -4500p + 41500   ----- ( 1 )

p = price per ride

<u>B ) Determine the price the company should charge to maximize revenue from ridership  and corresponding daily revenue</u>

Total revenue ( R ) = qp

                               = p ( -4500p + 41500 )

  hence R = -4500p^2 + 41500p  ------ ( 2 )

To determine the price that should maximize revenue from ridership we will equate R = -4500p^2 + 41500p  to a quadratic equation R(p) = ap^2 + bp + c

where a = -4500 ,  b = 41500 , c = 0

hence p = -\frac{b}{2a}  = - \frac{41500}{2(-4500)} =  4.61

$4.61 is the price the company should charge to maximize revenue from ridership

corresponding daily revenue = R = -4500p^2 + 41500 p

where p = $4.61

hence R = -4500(4.61 )^2 + 41500(4.61) = $95680.55

C) No it would not have been possible by charging a suitable price

5 0
3 years ago
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