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Ede4ka [16]
3 years ago
7

A road crew can replace 1/30 miles of road rack hour. They must repave a road that 2/3 miles long. How long will it take the cre

w to repave the road
Mathematics
2 answers:
Minchanka [31]3 years ago
7 0

Answer:

20 hours

Step-by-step explanation:

Make the denominators equal for the 2 fractions by multiplying 3 by 10 to make 30.  Do the same to the denominator, the answer being 20.  So, the 2 fractions will now be 1/30 and 20/30.  1 fits into 20, 20 times.

hjlf3 years ago
6 0

Answer: 20 hours

Step-by-step explanation: 20/30 = 2/3

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Jack and Jill each bought 100 pounds of cashews. Jack divided his cashews into 23 equal amounts and put them in paper bags. Jill
sladkih [1.3K]

Answer: Jack

Step-by-step explanation:

100÷2=50

50÷23=2.1739130435

50÷18=2.7777.....8

3 0
3 years ago
In a class of 25 students, 15 of them have a driver's license. If ten students are randomly selected, what is the expected numbe
const2013 [10]

Answer:

<em>Expected number of students  would have a driver's license = 6</em>

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given data In a class of 25 students, 15 of them have a driver's license

The sample proportion

                                p = \frac{x}{n} = \frac{15}{25} = 0.6

Let 'X' be the binomial distribution

Given sample size 'n' = 10

<em>mean of the binomial distribution or expected number of students  would have a driver's license</em>

                                 μ = n p

                                    = 10 × 0.6

                                   = 6

<u><em>Conclusion</em></u>:-

<em>Expected number of students  would have a driver's license = 6</em>

5 0
3 years ago
Plz help the question is so confusing!!
gizmo_the_mogwai [7]

Answer:

-2

Step-by-step explanation:

because the slope is 2, a perpendicular line must be the inverse  

the equation for y1 is y=2x+1

y2= -2y+1

5 0
3 years ago
Read 2 more answers
What variable do we use for slope? A.x B.y C.m D.b
Nady [450]

Answer:

y we use y

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Help out pleassseeeeeee
elena-14-01-66 [18.8K]

Step-by-step explanation:

bro, MO bisects into 2 equal halves. ..

so, there will be

Angle AMO is equal to angle BMO.__(A)

MO is common side ___( S)

Angle AOM is equal to angle MOB___(A)

hence ,

∆AMO is congrent to ∆BMO

hence proved

7 0
2 years ago
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