3 years ago

I need help with this question

Mathematics

1 answer:

Damm [24]3 years ago

8 0

3 hours

The first car would travel 180 miles in 4 hours.
The second car would travel 180 miles in 3 hours.

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At a DBE lecture of 100 students, there are 29 women and 23 men. Out of these students, 4 are teachers and 24 are either men or

sukhopar [10]

Answer:

100-29=71

71-23=48

48/2=24

Therefore, 24-4=20

answer =20

Step-by-step explanation:

twenty teachers are the one attending the the lectures

7 0

2 years ago

At the end of each week, an employer gives some vacation hours to a few randomly selected employees. There are 25 employees in h

densk [106]

Answer: There are 177100 possible groups.

Step-by-step explanation:

Given: Total employees = 25

Number of employees wants to choose = 6

The combination of n things taken r at a time is given by:-

$^nC_r=\frac{n!}{r!(n-r)!}$

Put n = 25 and r= 6, we get

$^{25}C_6=\frac{25!}{6!(25-6)!}\\\\=\frac{25\times24\times23\times22\times21\times20\times19!}{6!19!}\\\\=177100$

Hence, there are 177100 possible groups.

8 0

2 years ago

Which expression is equivalent to w4−25w2+144

eduard

Sorry I’m just commenting to do it

8 0

2 years ago

Find The difference 25(d−10)−23(d+6) is

Vesna [10]

Answer:

2d-388 or 2(d-194)

Step-by-step explanation:

25(d-10)-23(d+6)

25d-250-23d-138

25d-23d-250-138

2d-250-138

2d-388

factor out or simplify,

you get 2(d-194)

8 0

2 years ago

Read 2 more answers

If the length of segment AC equals 58, what is the length of the midsegment DE

Delicious77 [7]

Answer:

B) 29

Step-by-step explanation:

Given:

AC= 58

Point D and E are the midpoints of side AB and BC Respectively.

Solution:

According to Midpoint theorem which states:

"The segment joining two sides of a triangle at the midpoints of those sides is parallel to the third side and is half the length of the third side."

$\therefore$ DE= $\frac{1}{2}$ AC

DE= $\frac{58}{2} =29$

Hence length of DE is 29.

4 0

3 years ago

Read 2 more answers