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max2010maxim [7]
3 years ago
11

A cyclist travels 4 miles in 20 minutes and then a further 6 miles in 30 minutes without stopping. Calculate the cyclist's avera

ge speed in mph.​
Mathematics
1 answer:
kodGreya [7K]3 years ago
4 0

Answer:

11 miles per hr because 10 miles took 50 minutes so add 1 mile and it is 1hr. Which is 11 miles per hr

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A clothing truck is shaped like a rectangular prism. The volume of the truck 15 ft cubed. The area of the base of the container
Ghella [55]

Answer: 2.5 ft

Step-by-step explanation:

The volume of a rectangular prism is given by the following formula:

V=(l)(w)(h) (1)

Where:

l is the length of the base

w is the width of the base

h is the height of the prism

On the other hand, tha area of a rectangle is:

A=(l)(w) (2)

Then, we can rewrite (1) in terms of (2):

V=(A)(h) (3)

Now, we know the value of the volume and the area of the base:

V=15ft^{3}

A=6ft^{2}

Substituting these values in (3):

15ft^{3}=(6ft^{2})(h) (4)

Isolating h:

h=2.5 ft This is the height of the truck

8 0
3 years ago
RATING BRAINLIST!!! 30 POINTS!!!! TWO QUESTIONS!
Likurg_2 [28]
A
h(x)=6x^2+1 

B

f(t)=-16t^2+48t
Before it hit the ground eqn would be
-16t^2+48t=0
16t^2=48t
t=3
3 seconds in the air before it hit the ground
7 0
4 years ago
You are testing the claim that the proportion of men who own cats is significantly different than the proportion of women who ow
Nadya [2.5K]

Answer:

Test statistic =1.30

Step-by-step explanation:

Given that you are testing the claim that the proportion of men who own cats is significantly different than the proportion of women who own cats.

                                             Men                Women            Difference

Sample size n                        60                     120

Proportion p_1, p_2              0.45                   0.35                 0.10

60 120 180

0.45 0.35 0.383333333

27 42 69

p = 0.3833

Std error for proportion difference = \bar p (1-\bar p)(\frac{1}{n_1}+\frac{1}{n_2})\\=0.3833(0.6167)(\frac{1}{60}+\frac{1}{120})\\=0.0769

Test statistic = \frac{p_1-p_2}{\bar p (1-\bar p)(\frac{1}{n_1}+\frac{1}{n_2})  }

=1.3008

=1.30

4 0
3 years ago
A wheel for Lisa's bike has a diameter of 24 inches. What is the circumference, C, in inches? Use 3.14 for π
julsineya [31]

Answer:

75.36 inches

Step-by-step explanation:

C = π·d

C = 3.14(24)

C = 75.36

3 0
3 years ago
Ann ran 7 miles on Monday, 6 miles yesterday, and 8 miles today. If she runs an unknown number of miles tomorrow, how many miles
Airida [17]

Answer:

21+m m=miles on the unknown day amount

Step-by-step explanation:

It depends if its about the patterns

You could put a number such as five or nine so I just put up the equation to it

6 0
3 years ago
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