MATHEMATICS MIDDLE SCHOOL

It took a car 5 days to travel 1459 miles. What was this car average speed in miles per hour ?

Answers

Answer 1

Answer:

Answer:

12.1583333333 miles/hr.

Step-by-step explanation:

24 * 5 = 120 hrs

1459/120 = 12.1583333333

Answer 2

Answer:

Answer:

12.158 miles/hour

Step-by-step explanation:

$(1459 miles)/(5 days) = 291.8 miles/day\n(291.8 miles)/(1 day) x (1 day)/(24 hours) = 12.158 miles/hour$

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An expression that is equivalent to 7/8.

Answers

7/8 ...* 5 = 35/40

7/8 ...* 10 = 70/80

There are 30 students in the school chorale,and 12 of theses students can stay after school today to help prepare the stage for the concert.What fraction of the students in chorale can stay after school today? Write the fraction in simplest form.

Answers

original 12/30 -> simplified 2/5

HELPAlicia estimated her test score to be 85. Her actual score was 80. What was the percent error in Alicia’s estimate? Round your answer to the nearest tenth of a percent.

Answers

first find the difference so:
85 - 80 = 5
now find what percentage of 80 is 5
5/80 = 0.0625
so 6.25% or in your case 6.3%

If you have 3 tons of milk how many cups are there and then divide by 5

Answers

Jdhdh hdjdud jsjsjs jsjd

Can you please help me its too hard

Answers

Answer:

Step-by-step explanation:

The area of a rectangle is l × w.

x × 11/3 = 44

x = 44 × 3/11

x = 12

the area of this figure is 12

Can u help me with the rest??

Answers

a) x/100 = 15/90x = 100(15/90)
x = (10/9)15

x = 10*(5/3)
x = 50/3
x = 16.667
x = 16% or 2/3

b)56/x=100/10(56/x)*x=(100/10)*x
56=10*x
56/10=x
5.6=x
x=5.6

c)180/x=100/90
(180/x)*x=(100/90)*x
180=1.11111111111*x
180/1.11111111111=x
162=x
x=162

d)300/x=100/25
(300/x)*x=(100/25)*x
300=4*x
300/4=x
75=x
x=75

f)20/x=100/55
(20/x)*x=(100/55)*20
x=36.36
x=36

I don't know how to do e), sorry.

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The algebra mat below models the equation x+3=5

Can some1 help me with grade7s math?