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3 years ago

Can someone sub to my youttube channel pls, its called Yakobu, it would really help out :)

Mathematics

1 answer:

loris [4]3 years ago

5 0

Sure :)

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An endurance athlete jogs at a rate of 8 miles per hour. How many minutes does it take for the athlete to jog 2.4 miles?

Vika [28.1K]

Answer:

0.3

Step-by-step explanation:

7 0

3 years ago

Rapid Rental Car Company charges a $55 rental fee and $0.25 per mile driven. For the same car, Capital Cars charges $45 for rent

AlladinOne [14]

Answer:

100 miles

Step-by-step explanation:

Let the number of miles driven = x

Rapid Rental Car Company charges a $55 rental fee and $0.25 per mile driven.

$55 + $0.25x

55 + 0.25x

For the same car, Capital Cars charges $45 for rental fee and $0.35 per mile.

$45 + $0.35x

45 + 0.35x

Equation :

55 + 0.25x = 45 + 0.35x

The number of miles for which the companies’ charges will be the same is calculated as:

55 + 0.25x = 45 + 0.35x

Collect like terms

55 - 45 = 0.35x - 0.25x

10 = 0.10x

x = 10/0.10

x = 100 miles

The number of miles for which the companies’ charges will be the same is

100 miles.

3 0

3 years ago

Help I will give brainly

Zarrin [17]

Answer:

are u useing triangle proportionality?

Step-by-step explanation:

4 0

3 years ago

A random sample of 700 home owners in a particular city found 112 home owners who had a swimming pool in their backyard. Find a

vekshin1

Answer: $(13.28\%,\ 18.72\%)$

Step-by-step explanation:

Given : A random sample of 700 home owners in a particular city found 112 home owners who had a swimming pool in their backyard.

i.e. n= 700 and x= 112

Sample proportion : $\hat{p}=\dfrac{x}{n}=\dfrac{112}{700}=0.16$

z-value for 95% confidence interval : $z_c=1.960$

Now, the 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard will be :-

$\hat{p}\pm z_c\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$=0.16\pm (1.96)\sqrt{\dfrac{0.16(1-0.16)}{700}}$

$=0.16\pm (1.96)(0.013856)\\\\\approx 0.16\pm0.0272\\\\ =(0.16-0.0272,\ 0.16+0.0272)=(0.1328,\ 0.1872)=(13.28\%,\ 18.72\%)$

Hence, 95% confidence interval for the true percent of home owners in this city who have a swimming pool in their backyard : $(13.28\%,\ 18.72\%)$

6 0

3 years ago

I don't understand this question I'm supposed to be graphing

taurus [48]

y≤ 3 when x is 0 and x≤ 3 when y is 0

The graph is attached in figure below

Step-by-step explanation:

We need to graph x+y is equal or less than 3

Writing in mathematical form:

$x+y\leq 3$

For solving we find x and y intercepts

The y-intercept can be found by putting x=0, y is :

$0+y \leq 3\\y\leq 3$

y≤ 3 when x is 0

The x-intercept can be found by putting y=0, x is :

$x+y \leq 3\\x+0\leq 3\\x\leq 3$

x≤ 3 when y is 0

Plotting these values on the graph:

The graph is attached in figure below

Keywords: Solving inequalities

Learn more about Solving inequalities at:

#learnwithBrainly

3 0

3 years ago