3 years ago

No. 4 please help, what’s a forty proportional?

Mathematics

1 answer:

jok3333 [9.3K]3 years ago

6 0

Answer:

a/b = c/d --> d = b*c/a

d is the forth proportional

a) d = 2*3/1 = 6

b) d = 3*4/0.5 = 24

c) d = b*5/a = 5*b/a

You might be interested in

10, 12, 16, 18, 18,20, 20, 24, 28 what is the greatest variability?

Andrei [34K]

I think 28 i'm not sure

8 0

3 years ago

There were 3232 volunteers to donate blood. Unfortunately, nn of the volunteers did not meet the health requirements, so they co

Degger [83]

Answer:

$\frac{470}{32-n}$

Step-by-step explanation:

We have been given that there were 32 volunteers to donate blood. Unfortunately, n of the volunteers did not meet the health requirements, so they couldn't donate.

So the number of volunteers that donated blood will be 32-n.

We are also told that the rest of the volunteers donated 470 milliliters each.

To find the units of blood donated by each of the volunteers we will divide total units of donated blood by number of volunteers, who donated the blood (32-n).

$\text{Millimeters of blood donated by each volunteer}=\frac{470}{32-n}$

Therefore, each of the volunteers donated $\frac{470}{32-n}$ millimeters of blood.

5 0

3 years ago

Read 2 more answers

The ratio of pink marbles to white marbles is 1:5 what percent of bag is pink marbles

sashaice [31]

1:5=1/5
1/5=20/100
20/100= 20%
20% of bag is pink marbles

6 0

3 years ago

Paula can make 14 beaded bracelets in an hour.Tina can make 13 bracelets in an hour.In one week,Paula made bracelets for 6 hours

Leno4ka [110]

Paula would be 14 times 6 or 84
Tina would be 13 times 8 or 104
So tina made more

4 0

3 years ago

Jill estimated she would spend $50.00 a month on clothing. However, at the end of the year she discovered she actually spent $71

RideAnS [48]

50$ per month for 12 years would mean she spent only (50 x 12) 600$ per year.

She actually spent $711, her forecast was off target by (600-7111) $111.

She exceeded her budget by $111

5 0

3 years ago