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AnnZ [28]
2 years ago
6

Cody wanted to give each of his forty-five friends an equal amount of candy. At the store he bought six hundred eighty pieces to

tal to give to them. How many more pieces should he have bought so he didn't have any extra pieces?​
Mathematics
1 answer:
Anastasy [175]2 years ago
5 0

Divide total bought by number of people first:


680 / 45 = 15.111


round up to 16. Multiply 16 by 45:

45 x 16 = 720

He should have bought 720 pieces. Now by Tracy to find how many more pieces:

720 - 680 = 40

He should have bought 40 more pieces.

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The number of text messages sent daily by a student is a poisson random variable with parameter λ=5 .in a class with 20 independ
Rudik [331]
This problem is a combination of the Poisson distribution and binomial distribution.

First, we need to find the probability of a single student sending less than 6 messages in a day, i.e.
P(X<6)=P(X=0)+P(X=1)+P(X=2)+P(X=3)+P(X=4)+P(X=5)
=0.006738+0.033690+0.084224+0.140374+0.175467+0.175467
= 0.615961

For ALL 20 students to send less than 6 messages, the probability is
P=C(20,20)*0.615961^20*(1-0.615961)^0
=6.18101*10^(-5)   or approximately
=0.00006181
7 0
3 years ago
An online ticket seller charges $44 for each ticket ton concert, plus a fixed handling fee of $12. Define the unknown variables
enot [183]

Answer:

x= number of tickets bought

y= total

44x+12=y

8 0
3 years ago
How did you do? Rate your work on a scale of 1 to 5, with 5 as the highest score. Then write a brief evaluation of your work bel
Arte-miy333 [17]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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Write this relationship as a ratio, with kilograms as units. 300 g to 5 kg. (Express your answer using a colon. Leave spaces bet
Bad White [126]

Answer:

0.3 kg : 5 kg

Step-by-step explanation:

just simplified

BRAINLIEST PLS!

8 0
3 years ago
Read 2 more answers
Check the iinstructions
pishuonlain [190]

Answer:

Cost of small box of oranges = 7

Cost of small box of oranges = 13

Step-by-step explanation:

Step 1)  Let the cost of small box of oranges = x

Let the cost of small box of oranges = y

Step 2)

Equation 1) Matt sells 3 small boxes and 14 large boxes for Php. 203

3x + 14y = 203 -------------------(I)

Equation 2) Ming sells 11 small boxes and 11 large boxes for Php. 220

11x + 11y = 220 ----------------(II)

Step 3:

Multiply equation (I) by 11 and equation (II) by (-3).

(I)*11              33x + 154y =  2233

(II)*(-3)         <u>-33x - 33y = -660 </u>            {Now add and x will be eliminated}

                           121y  = 1573

                               y = 1573/121

y = 13

Substitute y = 13 in equation (II)

11x + 11*13 = 220

11x + 143 = 220

        11x = 220 - 143

        11x = 77

          x = 77/11

x = 7

5 0
2 years ago
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