MATHEMATICS MIDDLE SCHOOL

The cost of 4 cartons of fresh cream is $5.76. What is the cost of 13 such cartons?

Answers

Answer 1

Answer:

Answer:

The answer is $74.88

Step-by-step explanation:

4 x 5.76 = 23.04 23.04 divided by 4 = 1.772307692307692

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In a stairway, the slope of the handrail is the ratio of the riser to the tread. If the tread is 12 inches long and the riser is 8 inches long, find the slope.(image) a. 2/5 c. 2/3 b. 3/2 d. 5/2

What number is 33 1/3% of the positive difference between 25% of 60 and 75% of 16?

Answers

$33(1)/(3)\% \cdot (25\% \cdot 60 - 75\% \cdot 16 )=\n \n=(100)/(3)\cdot (1)/(100)\cdot ((25)/(100)\cdot 60-(75)/(100)\cdot 16) =\n \n=(1)/(3)\cdot ((1)/(4)\cdot 60-(3)/(4)\cdot 16) =(1)/(3)\cdot (15-12) =(1)/(3)\cdot 3 =1$

Each student will be asked to collect 5 oak leaves, 3 elm leaves, 7 maple leaves, and 6 red ash leaves. Write and solve an equation that can be used to find the total number of leaves, n, that will be collected

Answers

n=5+3+7+6
n=21
your answer is 21 if their is only 1 student

5+7+3+6=21 Leaves
So N=21 Leaves

The graph shows the relationship between the distance a truck can travel and the amount of gasoline used. What is the unit rate for the situation?

A. 1/7
B. 7 mpg
C. 35 mpg
D. 175 mpg

Answers

The unit rate for the situation that shows the relationship between the distance a truck can travel and the amount of gasoline used is 7 miles per gallon

The graph given is a straight line.

The unit rate in the situation will be gotten by finding the slope of the line graph.

The slope of the line is expressed using the formula:

$m=(y_2-y_1)/(x_2-x_1)\n$

Using the coordinate points (1, 7) and (5, 35) on the line

$m=(35-7)/(5-1)\nm=(28)/(4)\nm=7mi/gallon$

This shows that the unit rate for the situation is 7 miles per gallon

Learn more here: brainly.com/question/12922257

we know that

A unit rate is a ratio between two different units with a denominator of one

in this problem, the unit rate is equal to the slope of the line

Let

$A (1,7)\nB( 5,35)$

the slope is equal to

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

Substitute the values

$m=((35-7))/((5-1))$

$m=((28))/((4))$

$m=7 (miles)/(galons)$

the unit rate means that the truck can travel $7$ miles per one gallon of gasoline used

therefore

the answer is

The unit rate is equal to the option

B. 7 mpg

Write the equation for a line that is perpendicular to the line y=2x-3 and passes through the origin

Answers

Determine the slope

Since the equation is already given in slope-intercept form, we'd assume that the slope is the coefficient of x.

2 is the slope

To write the equation in perpendicular form, change the slope to opposite-reciprocal.

2 opposite-reciprocal is -1/2

So, the equation would be y= -1/2x - 3

Answer:

y= -1/2x - 3

Jake spends 2 hours on each homework assignment and he had 3 assignments each day. Orlando spends 2 hours on each homework assignment and he had 2 homework assignments each day. How much time will Jake and Orlando spend doing homework after 30 days?

Answers

Jake: one hundred and eighty hours
Orlando: one hundred and twenty hours

total: three hundred hours

Jake will spend 180 hours on homework assignments after 30 days and Orlando will spend 120 hours on homework assignments after 30 days hope this helps :) (Jake:2 hours X 30 days = 180hrs) (Orlando:4 hours X 30 days= 120hrs)

How much is 72% of 6. Please help

Answers

$p\%=(p)/(100)\n\n72\%=(72)/(100)=0.72\n\n0.72\cdot6=4.32\leftarrow answer$

4.32 because 72% as a decimal is .72, then .72*6 = 4.32

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