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3 years ago

10 POINTS

Mathematics

1 answer:

hoa [83]3 years ago

7 0

It would be “going up a steady rate through the origin”

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A cookie recipe uses

Strike441 [17]

D 21 a dozen is twelve so 2 dozens to a cup would be 21

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3 years ago

A wheel has 38 numbers, 1, 2, 3, . . . , 38. a player picks a number and bets $20. the wheel is spun, and if the player's number

Rainbow [258]

Answer: $63.16

<u>Step-by-step explanation:</u>

Probability of winning is $\frac{1}{38}$ . Which means that it would take 38 spins to win one time.

Since the average player spins 60 times then the number of wins is:

$\frac{1}{38}x 60$ = 1.58

So, the average person wins: ($700 + $20) x 1.58 = $720(1.58) = $1136.84

and the average person spends: $20 x 60 spins = $1200.00

The net gain for the house is $1200.00 - $1136.84 = $63.16

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4 years ago

Find the value of this expression is x=-6. X2/x+3

Softa [21]

Answer:

Step-by-step explanation:

x=-6

Fill in for x

(-6)2/(-6)+3

-12/-3

5 0

3 years ago

Read 2 more answers

. If one of the zeroes of the quadratic polynomial (k-1) x2 +k x +1 is -3 then what is the value of k?

KATRIN_1 [288]

Answer:

k = 1¹/₃

Step-by-step explanation:

Comparing (k-1)x² + kx + 1 with ax + bx + c where α, β be the zeroes of the quadratic equation, then

α + β = -b/a = -k/(k - 1) and αβ = c/a = 1/(k - 1)

Since one of the zeros is -3, β = -3

So,

α + β = -k/(k - 1)

α + (-3) = -k/(k - 1)

α - 3 = -k/(k - 1) (1)

and

αβ = 1/(k - 1)

-3α = 1/(k - 1) (2)

From (1), α = 3 - k/(k - 1) (3)

Substituting equation (3) into (2), we have

-3α = 1/(k - 1)

-3[3 - k/(k - 1)] = 1/(k - 1)

-9 + 3k/(k - 1) = 1/(k - 1)

-9 = 1/(k - 1) - 3k/(k - 1)

-9 = (1 - 3k)/(k - 1)

cross-multiplying, we have

-9(k - 1) = 1 - 3k

expanding the brackets, we have

-9k + 9 = 1 - 3k

collecting like terms, we have

-9k + 3k = 1 - 9

-6k = -8

dividing through by -6, we have

k = -8/-6

k = 4/3

k = 1¹/₃

7 0

3 years ago

Make an equation to why I have no friends.

posledela

Answer: Y= Home + Netflix

Try finding some online friends to keep you busy. Or playing video games.

5 0

3 years ago