All categories

3 years ago

Josie walks 3/4 mile in 1/5 hour what is josie speed in miles per hour

Mathematics

1 answer:

Over [174]3 years ago

5 0

Answer: $3\dfrac34\text{ miles per day}$

Step-by-step explanation:

We know that the formula to find speed is given by :-

$\text{speed}=\dfrac{\text{distance}}{\text{time}}$

Given: Distance = $\dfrac34$ mile

Time = $\dfrac15$ hour

Speed = $\dfrac{\dfrac34}{\dfrac15}\text{ miles per hour}$

$=\dfrac{3}{4}\times5\text{ miles per hour}\\\\=\dfrac{15}{4}\text{ miles per hour}\\\\=3\dfrac34\text{ miles per day}$

hence, speed = $3\dfrac34\text{ miles per day}$

You might be interested in

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

zhuklara [117]

1/2m - 6= 16
1/2m=22
m= 44

6 0

3 years ago

Find the volume of this cylinder. Give your answer to 1 decimal place. 9 cm 20 cm

7nadin3 [17]

If 9 is the radius and 20 is the height then it would be 5089.4 cm^3

7 0

3 years ago

A hotel house keeper cleaned 1/3 on

Aleksandr-060686 [28]

Answer:

dunno

Step-by-step explanation:

hope this helps has hdhd

3 0

3 years ago

Assume that hybridization experiments are conducted with peas having the property that for offspring, there is a 0.75 probabili

ivolga24 [154]

Answer:

(a) The mean and the standard deviation for the numbers of peas with green pods in the groups of 36 is 27 and 2.6 respectively.

(b) The significantly low values are those which are less than or equal to 21.8. And on the other hand, the significantly higher values are those which are greater than or equal to 32.2.

(c) The result of 15 peas with green pods is a result that is significantly low value.

Step-by-step explanation:

We are given that hybridization experiments are conducted with peas having the property that for offspring, there is a 0.75 probability that a pea has green pods.

Assume that the offspring peas are randomly selected in groups of 36.

The above situation can be represented as a binomial distribution;

where, n = sample of offspring peas = 36

p = probability that a pea has green pods = 0.75

(a) The mean of the binomial distribution is given by the product of sample size (n) and the probability (p), that is;

Mean, $\mu$ = n $\times$ p

= 36 $\times$ 0.75 = 27 peas

So, the mean number of peas with green pods in the groups of 36 is 27.

Similarly, the standard deviation of the binomial distribution is given by the formula;

Standard deviation, $\sigma$ = $\sqrt{n \times p \times (1-p)}$

= $\sqrt{36 \times 0.75 \times (1-0.75)}$

= $\sqrt{6.75}$ = 2.6 peas

So, the standard deviation for the numbers of peas with green pods in the groups of 36 is 2.6.

(b) Now, the range rule of thumb states that the usual range of values lies within the 2 standard deviations of the mean, that means;

$\mu - 2 \sigma$ = 27 - (2 $\times$ 2.6)

= 27 - 5.2 = 21.8

$\mu + 2 \sigma$ = 27 + (2 $\times$ 2.6)

= 27 + 5.2 = 32.2

This means that the significantly low values are those which are less than or equal to 21.8.

And on the other hand, the significantly higher values are those which are greater than or equal to 32.2.

(c) The result of 15 peas with green pods is a result that is a significantly low value because the value of 15 is less than 21.8 which is represented as a significantly low value.

5 0

3 years ago

Math answer with work cause it need proof ASAP

Viktor [21]

Answer:

[See Below]

Step-by-step explanation:

__________________________

✦ Solve for $(1*10)+(4*1)+(7*0.01)+(2*0.001)$ :