silva38 silva38

03-05-2022
Mathematics

contestada

If r is directly proportional to the
square of s and r = 72 when
= 12, find r when s = 8.?

Respuesta :

msakerj msakerj

03-05-2022

Answer:

r2=48

Step-by-step explanation:

r1=72

s1=12

s2=8

[tex]r \alpha s \\ \frac{r1}{s1} = \frac{r2}{s2} \\ \frac{72}{12} = \frac{r2}{8} \\ r2 = 8 \times \frac{72}{12} = 48[/tex]

Answer Link

Otras preguntas

I really need help on my English guys

Read the following passage and then select the correct answer: According to some sources, there are more than 80 million cats living in American houses as pets

If you transfer a one liter of lemonade into a 2 liter pitcher and the lemonade fills up half the container. Does the density of the lemonade change?

How could you test to see if an enzyme was completely depleted during an experiment?

Using gloves correctly means

Can someone please help me out on my assignment!? I do not understand this!!

Is this a 330 degree angle?

Who stated that all plants are made of cells?

Question number 25, a.

The low temperature was 35f. this was 13f lower than the daytime high temperature. write an equation to determine whether the high temperature was 48f or 42f