Mathematics High School

It takes Madison 40 seconds to walk 90 meters.
What is Madison's speed?
I need help quickly right now pls

Answers

Answer 1

Answer:

2.25 meters per second.

Step-by-step explanation:

Distance/Time

90/40=2.25

Related Questions

Represent x = 3 and y = 5 using function notation.
O A. f(3) = 15
O B. f(x) = 5
O C. f(5) = 3
OD. fl) = 3
O E. f(3) = 5

Answers

Answer:

Step-by-step explanation:

note that y = f(x)

Given x = 3 and y = 5 , then

f(3) = 5 → E

X+7=10 solved equation with one variable

Answers

Answer:

x=3

Step-by-step explanation:

x+7=10

-7 -7

x= 3

maybe

The diagram shows a velocity-time graph of a motorbike for 25 seconds.
a) After how many seconds was the acceleration zero? 4.5 seconds
metres
b) What was the distance travelled in the last 15 seconds?
25
20
15
Velocity (m/s)
10
5-
0
0
5
10 Time (s)15
20
2
25

Answers

Answer: The acceleration is 0 after 4.5 seconds.

*The distance traveled in the last 15 seconds on the graph is about 225 meters.*

If the question means "distance traveled during the last 15 seconds before coming to a complete stop" The distance is 30 meters.

The attachment shows what I believe to be the missing right side of the graph showing the velocity at 0.

Step-by-step explanation: a.) at 4.5 seconds, the graph is momentarily flat; that is, the derivative, (the change in slope) is 0. There is no change in velocity at that point. Before that, the velocity is increasing, so there is positive acceleration. After that, the velocity is decreasing. So the acceleration is negative.

*The answer choices seem incorrect to me. for part b. Is there a typo?*

b.) From 10 seconds to 25 seconds, the "last 15 seconds" on the graph, the velocity is decreasing at a steady rate; the average velocity is 15m/sec

At 15m/sec × 15 sec, the distance traveled is 225 meters.

If we are to extrapolate to the point there the velocity is 0, assuming the steady rate of deceleration, the motorbike will reach that stopping point at 63.75 seconds. At 15 seconds before that, at 48.5 sec, it is traveling at 4m/sec.

The average velocity during the final 15 seconds is 2m/sec.

2m/sec × 15 sec = 30 meters.

I don't see that choice either, so I wonder if the question is missing something.

If someone else has a better explanation, I hope they they will answer and explain what I missed.

Answer:

I will only be answering B as A has already been correctly Anserd

B is 225

Step-by-step explanation:

You have to draw a trapezium on the graph and work out it's area so

17 + 13 = 30

30÷ 2 = 15

15 × 15 = 225

How do you solve equations using Substitution.

Answers

Substitution is one of the methods for solving linear equations. It is a good choice if there is a variable with a coefficient of 1. This method involves solving one of the equations for a variable and then substituting that expression into another equation to solve for another variable. This will produce a single equation with one variable, which can then be solved algebraically.

Write two numbers that multiply to the value on top and add to the value on bottom.
16
-17

Answers

Answer:

-16 and -1

Step-by-step explanation:

If you multiply them you get +16 and add them you get -17.

I need help on ratios

Answers

Answer:

-help

Step-by-step explanation:

A ratio compares values. A ratio says how much of one thing there is compared to another thing. A ratio indicates how many times one number contains another.

example: there are 6 girls to 4 boys. (6:4)

maura runs 5 miles in 1.25 hours.Ava runs 3 miles in 50 minutes, or .83 hours .who runs fater

Answers

Answer:

Maura is faster: 4 mph

Step-by-step explanation:

Find the unit rate (mph) for both cases and then compare them:

Maura: 5 miles / 1.25 hrs = 4 mph

Ava: 3 miles / (5/6 min) = 3*(6/5) mph = 3.6 mph

Clearly, Maura runs faster.

Find the volume of a rectangular pyramid with length 11 m, width 7 m, and height 8 m. Round to the nearest tenth, if necessary.

Answers

Answer:

205.3m

[tex]v = w \times l \times h \div 3[/tex]

[tex]v = 11 \times 7 \times 8 \div 3 = [/tex]

[tex]v = 77 \times 8 \div 3 = [/tex]

[tex]v = 616 \div 3 = [/tex]

[tex]v = 205.3333333[/tex]

*Round to nearest tenth and 205.3333333 becomes 205.3

Hope this helps! If you have any more questions or need further explanation please comment down below. Good luck!

What is the solution to this equation?
–5(s – 6) = –10

A.
s = –4

B.
s = 8

C.
s = 28

D.
s = 32

Answers

Answer:

B. s=8

Step-by-step explanation:

Which pair of factors of 30 has a sum of -17?

Answers

Answer: 30 = 1 x 30, 2 x 15, 3 x 10, or 5 x 6. Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30. Prime factorization: 30 = 2 x 3 x 5.

Step-by-step explanation:

The pair of factors of 30 which has a sum of -17 is -2 and -15.

What are Factors?

Factors of a number or an algebraic expression are the numbers or expressions which divides the given number evenly.

For example, 10 = 2 × 5

So we can say that 2 and 5 are factors of 10.

We have to first find the factors of the number 30.

Pair of numbers which on multiplication gives 30.

2 × 15 = 30

-2 × -15 = 30

3 × 10 = 30

-3 × -10 = 30

5 × 6 = 30

-5 × -6 = 30

The numbers which has the sum of -17 are -2 and -15.

Hence the pair of factors which has a sum of -17 are -2 and -15.

Learn more about Factors here :

https://brainly.com/question/29155845

#SPJ6

Can you please help me answer this picture

Answers

They both are negative

how to find the indicated angle of a triangle

Answers

if there’s a missing side you subtract the two know angles from 180*. Plug the two angles into the formula a+b+c=180*. i hope this helps :)

X^2-7x+10=0?? Please and thank you

Answers

there are two answers those being x=5 & x=2
explanation in picture

A flock of pigeons flew to a tall tree. Some of them perched on the branches, others landed under the tree. The pigeons sitting on the branches called to those under the tree, “if one of you joins us, there will be twice as many of us than you.” Then, those under the tree answered, “It’s true, but if one of you joins us, there will be as many of us as of you. Please help.

Answers

Answer:

There are 7 on the tree, and 5 below

Step-by-step explanation:

If one left the bottom, there would be 8 on top and 4 below. Therefore, twice as many. If one left the top it would be both 6 and 6.

Answer:

7 pigeons sitting on the branches, 5 pigeons under the tree

Step-by-step explanation:

Number of pigeons on the branches = bNumber of pigeons under the tree = t

We got equations below:

b + 1 = 2(t - 1) ⇒ b = 2t - 3b - 1 = t + 1 ⇒ b = t + 2

Eliminate b and solve for t:

2t - 3 = t + 22t - t = 2 + 3t = 5

Then find b:

b = t + 2 = 5 + 2 = 7

PROMPT: Write about Pythagorean Theorem; what is the
formula, what do we use it for, how do I solve it, what does
each letter stand for, the difference between square and
square root, etc.

Answers

Answer:

Step-by-step explanation:

Pythagorean Theorem formula is

a^2 + b^2 = c^2

For each of the following equations,give the centre and radius of the circle.

a)x^2 + y^2 = 25 b) x^2 + y^2= 1
d) (x - 5)^2 + (y-3)^2 = 81 e) (x+2)^2 + (y-1)^2 = 9
g) (x + 1)^2 + (y + 3)^2 = 49 h) x^2+ y^2 = 6.25

Answers

Answer:

a) Center is (0,0) and radius r = 5

b) Center is (0,0) and radius r = 1

d) Center is (5,3) and radius r = 9

e Center is (-2,1) and radius r = 3

g) Center is (-1,-3) and radius r = 7

h) Center is (0,0) and radius r = 2.5

Step-by-step explanation:

Given circle x² + y² = 25