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2 years ago

HELP PLEASE WORTH 100 Points

Mathematics

2 answers:

andreev551 [17]2 years ago

6 0

Answer:

Michael has $15 and wants to buy a combination of school lunches to feed at least three classmates. A sandwich costs $2, and hot lunch costs $3.

This system of inequalities models the scenario:

2x + 3y < or equal to sign 15

x + y > or equal to sign 3

Harlamova29_29 [7]2 years ago

5 0

Well it’s ok I just have no problem I don’t have any time to talk to answer A

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Carrie is buying bulk candy for a high school fundraiser. She buys 1000 candy bars for $350. What is the unit cost per candy bar

Katen [24]

We can make a proportion:
let x = cost per 1 candy bar
$\frac{x}{350} = \frac{1}{1000}$
x is already explained
350 is $350
1 is 1 candy bar
1000 is 1000 candy bars
then, we cross multiply to get:
350=1000x
divide both sides by 1000 to get
x = 0.35
so each candy bar costs $0.35, or 35¢ (the unit cost per candy bar is $0.35, or 35¢)

6 0

3 years ago

Read 2 more answers

Kelly rolls two number cubes. Determine the probability of each of the following events.

Alika [10]

Answer:

(a)1/6

(b)1/12

Step-by-step explanation:

Given that the cubes are numbered from 1 to 6.

The possible outcomes are:

(1,1) (1,2) (1,3) (1,4) (1,5) (1,6)

(2,1) (2,2) (2,3) (2,4) (2,5) (2,6)

(3,1) (3,2) (3,3) (3,4) (3,5) (3,6)

(4,1) (4,2) (4,3) (4,4) (4,5) (4,6)

(5,1) (5,2) (5,3) (5,4) (5,5) (5,6)

(6,1) (6,2) (6,3) (6,4) (6,5) (6,6)

Total number of possible Outcomes=36

Part A

Probability that the sum of the number cubes is 7.

The outcomes that sums up to 7 are:

(1,6) (2,5) (3,4) (4,3) (5,2) (6,1)

Number of outcomes=6

Therefore:

P(sum of the number cubes is 7)=6/36=1/6

Part B

The sum of the number cubes is less than 4.

Outcomes in which the sum is less than 4 are:

(1,1) (1,2) (2,1)

Number of outcomes=3

Therefore:

P(sum of the number cubes is less than 4)=3/36=1/12

7 0

3 years ago

HELP ME ASAP (yes im saying asap a lot cuz im hurried)

goldfiish [28.3K]

C because you take the -4 and change it to a +4, take that to the other side, add it to 7, therefore g=11

4 0

3 years ago

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Find the median and mean of the data set below: 5, 7, 3, 36, 7, 23 Ed

Arada [10]

Answer: mean is 13.5 and median is 7

Step-by-step explanation:

to get median you do (7+7)/2 and get 7 and for the mean you just add all of the numbers and divide by how many numbers there are. Basically it is 81/6 to get 13.5

7 0

2 years ago

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Write the point-slope equation of the line that passes through (3, -1) and a slope of 2.

fredd [130]

Answer:

$\large\boxed{y+1=2(x-3)}$