Doug entered a canoe race. He rowed 3 1/2 miles in 1/2 hour what is his average speed in miles per hour

Answers

Answer 1

Answer: 7 miles per hour

Step-by-step explanation:

3 1/2 miles = 7/2 miles

1/2 hours= 30 minutes

So,

In 30 mins, travelled 7/2 miles

In 1 min, travelled 7/2 ÷ 30= 7/2× 1/30 = (7×1)/(2×30) = 7/60 miles

In 60 mins, travelled (7×60)/60 miles = 420/60 miles = 7 miles.

Hence, the speed is 7 miles per hour.


Related Questions

I need help if right I will mark you

Answers

Answer:

B

Step-by-step explanation:

Cam borrows $1,00 from her bank. She will pay back the loan at a simple annual interest rate of 4% over 4 years. How much will she pay back altogether?

Answers

do u mean $100 or $1000? If u meant $100 4% = $4 multiply by 4 = $16 (total interest) altogether 100 + 16 = $116.

Noel correctly answers 80% of the questions on a test with
40 questions
How many questions does Noel answer correctly
O 5
08
32
50

Answers

40 x (80/100)
= 32
So answer will be 32

5. a) Which figure is the mapping diagram of the relation
shown?

b) is the relation a function

Please help

Answers

Answer:

b, since the others have the input and output on the wrong sides

The answer will be B :)

I have no idea what this question means but if anyone understands it or has an answer much help is apreciated! :)

Answers

Here, we have to factorise :

- 12n - 20

Consider the largest number which is the factor of both -12 and -20, that is -4.

→ -4 × 3n = -12n

→ -4 × 5 = -20

Taking (-4) as common,

→ -4( 3n + 5 )

Option B is correct. [tex] \checkmark [/tex]

Given the graph of f(x), fund the value of f(4).

Options: -1, 1, 2, 4

Answers

Answer:

2

Step-by-step explanation:

the y-value of an x-value of 4, according to the graph, is 2

Answer:

2

Step-by-step explanation:

This question is asking you to find the value of f(x) which is really just the y-coordinate. You need to find the y-coordinate for f(4), which means when x=4. So, go to the line on the graph where x=4 and find the point that lies there. In this case, when x=4 the y-coordinate is 2. The coordinates for this point are (4,2) and can be seen on the far right side of the graph.

2. The ratio of 7th graders to 8th graders in student council is 2:3.
If there are 51 8th grade students in student council, what is the
total number of students in student council?

Help me please thank you kindly

Answers

Answer:

85 students

Step-by-step explanation:

Given

[tex]7th : 8th =2 : 3[/tex]

[tex]8th = 51[/tex]

Required

Find the total number of students

We have:

[tex]7th : 8th =2 : 3[/tex]

Substitute: [tex]8th = 51[/tex]

[tex]7th: 51 = 2 : 3[/tex]

Express as fraction

[tex]\frac{7th}{51} = \frac{2 }{ 3}[/tex]

Multiply both sides by 51

[tex]51 * \frac{7th}{51} = \frac{2 }{ 3} * 51[/tex]

[tex]7th= \frac{2 }{ 3} * 51[/tex]

[tex]7th= 2 *17[/tex]

[tex]7th= 34[/tex]

So, the total is:

[tex]Total = 7th + 8th[/tex]

[tex]Total = 34 + 51[/tex]

[tex]Total = 85[/tex]

$2,250.00 at 1 3/4% interest for 1 year
and what is$750 at 1/2% interest for 3 years?

Answers

Answer:

$2,289.38 and $761.25, respectively

I would appreciate Brainliest but no worries.

Last year, Lien earned $1,600 more than her husband. Together they earned $51,000. How much did each of them earn?

Answers

Answer:

Lien: $26300 Her husband: $24700

Step-by-step explanation:

x+(x+1600)=51000

2x+1600=51000

2x=49400

x=24700

Her husband earned 24700

24700+1600=26300

Lien earned 26300

DONT SCAM ME WITH A LINK

Answers

Answer: 2

600/3 = 200 meaning that each gallon of paint covers 200 sq ft

Help pleaseeeeeeeeeeeee

Answers

Answer:

option first is the right answer

The first one is the answer

help. this is my daughter's math. how does it work? ​

Answers

Answer:

An ion with a -2 charge, atomic number 17, an atomic mass of 25 has how many electrons?

Step-by-step explanation:

Help me

What are the coordinates of the vertex of the graph of the function y=-x^2+ 6x -11?
A. (3.-2)
B. (3.16)
C. (-3, -29)
D. (-3, -20)

Answers

I think the answer is A, but im sorry if its wrong

Answer:

Hi! The answer to your question is D. (-3, -20)

Step-by-step explanation:

☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆

Brainliest is greatly appreciated!

Hope this helps!!

Stay Safe!!!

- Brooklynn Deka

A 10.0kg rock is dropped and hits the ground below at a speed of 60 m/s . Calculate the gravitational potential energy of the rock before it was dropped

Answers

Answer:

Solution:

Mass of body, m= 10kg

velocity, v= 60m/s

Now,kinetic energy on earth= potential energy at a that point [energy conservation]

so, kinetic energy= 1/2*m* v^2

= 1/2* 60(60)^2

= 30* 60*60

= 108000 joules

c Find the distance between the points L and B.

A) 2

B) 3

C)4

D)6​

Answers

Answer:

The right answer is D

L and B are on y = -4

L in on x=-4 and B on x=2

So, the distance is

|-4|+2=4+2=6

Solve the equation.
F - 8/9 = 5/8
f = ?

Answers

Answer:

f=64/27

Step-by-step explanation:

hope this helps

Answer:

F= 1 37/72

Step-by-step explanation:

what is the value of 9 in the number 2,093,507 please no links​

Answers

Answer:

ten thousands

A state university annual report showed that its retention rate was at 24% and university administrators would like to increase this rate. After implementing several new programs during the last two years, the university reevaluated its retention rate. What is the correct alternative hypotheses for a test to determine whether the retention rate has increased during the last two years

Answers

Answer:

the alternative hypothesis is - p > 0.24

Step-by-step explanation:

Given that the retention rate is 24% = 0.24

So,

The alternative hypothesis is -

p > 0.24

Because the retention rate has increased during the last two years.

15 people working 5 hours per day can make 30 units of a product in 10 days. Assuming all other factors remaining
constant and people of same efficiency are used to make the same products, in how many days can 10 people
make 10 units of the product if each of them works 10 hours per day?
SELECT ONLY ONE
2.5 days
7.5 days
12 days
26 days

Answers

The required number of days is 2.5 days

First, we need to calculate the amount of units generated per day.

If 15 people working 5 hours per day can make 30 units of a product in 10 days, then the amount of units per day is calculated as:

Units per day = (15*5*10)/30

Units per day = 750/30

Units per day = 25 units/day

If people of the same efficiency are used to make the same products, the number of days needed by 10 people to make 10 units of the product if each of them works 10 hours per day will be;

Number of days = (25*10)/10*10

Number of days = 250/100

Number of days = 2.5 days

Hence the required number of days is 2.5 days

Learn more on proportions here: https://brainly.com/question/19994681

Housing Price.The file calledsaratoga.JMPcontains data on 1728 houses in Saratoga, NewYork in the year 2006. The dataset includes many features of houses such as the selling price($), total living area (square feet), age (years), value of the land ($1000) the house was buildon, number of bedrooms and bathroom. We want to predict the selling price of a house ($)based on the total living area.(a) Identify the response variable (y): (Choose one.)i. total priceof all houses in the U.S.ii. average priceof houses in the U.S.iii. priceof a house in Saratoga, N.Y.

Answers

Answer:

iii. priceof a house in Saratoga, N.Y.

Step-by-step explanation:

In this question, we take a sample from house prices of 1728 houses in Saratoga, New York.

Since only houses from Saratoga are part of the sample, the response variable will be related only to Saratoga.

In this question:

Sample to find house prices in Saratoga, which is the variable of interest. The correct answer is given by option iii.


PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

Answers

Answer: the answer is c

Step-by-step explanation:

Answer:

Angles STQ & RQT

Step-by-step explanation:

They are on opposite sides, but they are also interior.

Hope this helps! Have a good day!

Amanda runs 7 miles in 80 minutes. At the same rate, how many miles would she run in 64 minutes?

Answers

Answer:

5.6 miles

Step-by-step explanation:

[tex]\frac{7}{80} =\frac{x}{64}[/tex]   Set up the proportion

[tex]7(64)=x(80)[/tex]  Cross multiply

[tex]448=80x[/tex]     Simplify

[tex]\frac{448}{80}=\frac{80x}{80}[/tex]    Divide both sides by 80

[tex]5.6=x[/tex]

Auditions are being held for the annual school musical.
There are 18 roles available in the show. If 75 students
try out, what percentage of the students will get a role in
the musical?

Answers

If there are 18 roles and 75 students then 18/75 students will get a role which is 24%

Leo has two choices of cake and he needs one that will feed the most people. One of them has the height of 5 inches and a diameter of 12 inches and the other one is 6 inches tall and 10 inches across. Which cake has a bigger volume and will feed more people?

WILL MARK BRAINLEST!!!

Answers

The correct answer is 5 inces and a diameter of 12. Because the volume is 565 and for the other it’s 471.

Can someone help me with this question plz.

Answers

Answer:

........................point A

Answer:

point C

Step-by-step explanation:

if you count from 0 with the difference of number 5 then it will be 0.75 in point C

Solve for x
A) 9
B) 11
C) 5
D)-4

Answers

the answer for this is C

Given A(3, –7), under which reflection is A (3, 7)?

Answers

Answer:

reflection over the x-axis bc y changed

Step-by-step explanation:

I'm just doing this so I can see this on my phone (can't see images on computers)

Answers

Answer:

LOL

Step-by-step explanation:

└(^o^)┘└(^o^)┘└(^o^)┘└(^o^)┘└(^o^)┘└(^o^)┘└(^o^)┘└(^o^)┘└(^o^)┘└(^o^)┘

Label each fifth on the number line. )
2.
3
4
2.
1
2
3
4
3
4
5
5
5
5
5
5
5
5
5
5
5
1
2
3
4
5
6
7
8.
0
Enter

Answers

Step-by-step explanation:

1 for 0/5

2 for 1/5

4 for 2\5

4 for 3\5

4 for 4\5

12 for 5\5

1 for 6\5

1 for 7\5

1 for 8\5

Write an equation for the line that passes through (0, -9) and (3, 0).
y = 3 x + 9
y = 3 x + 3
y = 3 x - 9
y = -9 x + 3

Answers

Answer:

y = 3x - 9    

Step-by-step explanation:

1) First, find the slope of the line between the two points. Use the slope formula [tex]m = \frac{y_2-y_1}{x_2-x_1}[/tex] and substitute the x and y values of (0,-9) and (3,0) into the formula and simplify:

[tex]m = \frac{(0)-(-9)}{(3)-(0)} \\m = \frac{0+9}{3} \\m = 3[/tex]

So, the slope is 3.

2) Look at all the options. All the equations are in slope-intercept form since they are in a [tex]y = mx + b[/tex] format. Remember that [tex]m[/tex], or the coefficient of the x-term, is the slope. [tex]b[/tex], or the y-intercept, represents the y-intercept.

Knowing this, the answer must be [tex]y = 3x-9[/tex]. The number in place of [tex]m[/tex] is 3, which is the slope we just calculated. Also, since we know that the line passes through (0, -9), that must be the y-intercept since all points on the y-axis have an x-value of 0.

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