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Reil [10]
3 years ago
11

Starting at home, Jessica traveled uphill to the grocery store for 18 minutes at just 20 mph. She then traveled back home along

the same path downhill at a speed of 60 mph. What is her average speed for the entire trip from home to the grocery store and back?
It takes 45 minutes for 4 people to paint 5 walls. How many minutes does it take 6 people to paint 4 walls?

It takes 52 minutes for 5 people to paint 5 walls. How many minutes does it take 20 people to paint 20 walls?

It takes 48 minutes for 7 people to paint 7 walls.How many minutes does it take 20 people to paint 20 walls?

Mathematics
1 answer:
N76 [4]3 years ago
3 0

Try this solution with short explanation; note, the suggested way is not the shortest one; the answers are marked with red colour.

Task no. 2: another solution is 45* (4/5) / (6/4) = 24 min.

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Write a division problem whose quotient has its first digit in the hundreds place
Margaret [11]
Quotient is another name for the answer to a division problem

the hundreds place is the 3rd number before the decimal, 9999999.0
                                                                                           ^this one

so you need to find a division problem that equals something between 100 and 999

1000 divided by 10 is a good one, the answer to that problem is 100, and 100 has its first digit in the hundreds place.
8 0
2 years ago
What is the domain of F(x) = 1/x ?
Elenna [48]

Step-by-step explanation:

The domain is the possible x values of a function.

Since our function is a reciprocal function, our denominator can't equal 0. Note x=0, is a vertical asymptote.

So our domain is

All Reals except 0,

or (-oo,0) U (0, oo).

6 0
2 years ago
2/3 - 4x + 7/2 = -9x + 5/6 apply the properties.. step by step
Nutka1998 [239]

Answer:

x=5/13

Step-by-step explanation:

2/3+7/2=9x+5/6+4x

2/3+7/2-5/6=9x+4x

lcm of 2,3,6=6

2/3=4/6      7/2=21/6       5/6=5/6

4/6+21/6-5/6=9x+4x

30/6=13x

5=13x

x=5/13

8 0
3 years ago
Read 2 more answers
What is the name of segment BD ?!
Alenkasestr [34]

Answer:

diameter

Step-by-step explanation:

BD is the diameter of the circle.

4 0
3 years ago
Geometry, god bless ur help!
Furkat [3]

Answer:

15 CM

Step-by-step explanation:

Both sides are same length proven by the same angles making botrh sides 15 cm

7 0
3 years ago
Read 2 more answers
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