Umm how to do rates

Answers

Answer 1

The definition of a rate in math is, the speed of something being gained in a problem, let's say we have a hot pipe that can full up a pool in 6 hours, our rate would be 1/6 of the pool per hour.


Related Questions

The step club made friendship bracelet as a fundraiser and sold them for $1.75 each. The club made a profit of $182. How many bracelets did the step club make?

Answers

Answer:

104 bracelets

Step-by-step explanation:

182 ÷ 1.75 = 104

At a pumpkin stand, Fei bought 3 pumpkins: one large, one medium, and one small. The large pumpkin cost twice as much as the medium one, and the medium pumpkin cost three times as much as the small one. Fei spent $20 in total. How much did the large pumpkin cost?

Answers

Answer:

Step-by-step explanation:

lets put the small pumpkin as x that means medium is 3x and large is 6x

so we have a equation

x+6x+3x=20

combine them

10x=20

divide by 10

x=$2

Answer:

2

Step-by-step explanation:

you really should stop the noetic tests

Find the measure of the supplement of an angle that measures 72º.
O 18°
O 36°
O 72°
O 108°

Answers

The answer is 108. Supplementary angles add up to 180 degrees.

tal) In a survey of 185 college students, they were asked whether they have dogs, cats,

or birds as pets:

90 have dogs,

68 have cats,

8 have birds only,

15 have both cats and dogs only,

20 have both birds and dogs,

12 have both cats and birds, and

7 students have all three animals as pets


a). Draw a Venn diagram to represent the given information.

b). How many students have cats only?

c). What proportion of the students have exactly one type of animal as pets?

Answers

9514 1404 393

Answer:

  a) see attached

  b) 41

  c) 56.2%

Step-by-step explanation:

a) We have drawn three circles, labeled D, C, B representing students who have dogs, cats, and birds, respectively. Based on the given information we can fill numbers in for all three animals (7), cats and dogs only (15), and birds only (8).

Then we can fill in cats and birds only by subtracting the number with all three. That will be 12 -7 = 5. Birds and dogs only is similarly filled by subtracting all three to get 20 -7 = 13 birds and dogs only.

Dogs only is found by subtracting the numbers in multiple categories from the total number of dogs: 90 -13 -7 -15 = 55. Cats only is found the same way: 68 -5 -7 -15 = 41.

The completed diagram is shown in the attachment. (We haven't figured the quantity for "none.")

__

b) 41 students have cats only

__

c) The total number with dogs only, cats only, or birds only is ...

  55 +41 +8 = 104

Of the 185 total students, that is 104/185 ≈ 56.2%.

56.2% of students have exactly one type of animal as a pet.


Will all rational functions have at least one vertical asymptote? Justify your response with an
explanation

Answers

Answer:

  no

Step-by-step explanation:

A rational function is the ratio of two polynomials. It will have a vertical asymptote if there is a real denominator zero that is not matched by one in the numerator.

Polynomials in general may or may not have real zeros, and two polynomials may have the same zero. Hence conditions may exist for a rational function not to have any vertical asymptotes.

An example with no vertical asymptotes is ...

  f(x) = (x -1)/(x^2 +1)

Which of the equations will be a true statement if
p
=
10
3
p
=
10
3
? Select the two choices that apply.





A.
3
.
4
÷
p
=
0
.
034
3
.
4
÷
p
=
0
.
034
B.
437
÷
p
=
0
.
437
437
÷
p
=
0
.
437
C.
53
.
45
÷
p
=
53
.
45
53
.
45
÷
p
=
53
.
45
D.
6
,
340
÷
p
=
6
.
34
6
,
340
÷
p
=
6
.
34
E.
2
,
458
.
2
÷
p
=
24
.
582
2
,
458
.
2
÷
p
=
24
.
582
I will mark brainless

Answers

Answer:

afd

Step-by-step explanation:

Write a statement
---------------------------------------------------------------------------------------------------------------------

Answers

9514 1404 393

Answer:

  C)  ΔDCE ≅ ΔDQR

Step-by-step explanation:

Corresponding vertices can be identified by the number of arcs signifying congruence.

  1 mark: angles D and D

  2 marks: angles C and Q

  3 marks: angles E and R

Corresponding angles are listed in the same order in the congruence statement:

  ΔDCE ≅ ΔDQR

need help asap PLS HURRY

Answers

Use a graphing calculator to find which points match up to the functions. (But it’s the 4th answer!)

Find the GFC of 72 and 64

Answers

Answer:

8

Step-by-step explanation:

GCF of 64 and 72 is 8.

I hope it helps you..

HELP! Evaluate the line integral where C is given by the vector function r(t).

Answers

Applying the steps, the result of the line integral is 99.

The curve is:

[tex]f(x,y,z) = xy i + 9y^2 j[/tex]

The vector field is:

[tex]r(t) = (x(t), y(t)) = (16t^6, t^4)[/tex]

Applying the vector field at the curve, we have that:

[tex]f(t) = (16t^{10}, 9t^8)[/tex]

The derivative of the vector field is:

[tex]r^{\prime}(t) = (96t^5, 4t^3)[/tex]

The dot product of the vector field along the curve with the derivative is:

[tex]f(t)r^{\prime}(t) = (16t^{10}, 9t^8)(96t^5, 4t^3) = 1536t^{15} + 36t^{11}[/tex]

Hence, the line integral is:

[tex]I = \int_{0}^{1} (1536t^{15} + 36t^{11}) dt[/tex]

[tex]I = 96t^{16} + 3t^{12}|_{t = 0}^{t = 1}[/tex]

[tex]I = 96 + 3[/tex]

[tex]I = 99[/tex]

A similar problem is given at https://brainly.com/question/12666512

x^2+12x-20/3x-5 = x^2+8x+12/2x+3
[tex] \frac{ {x}^{2} + 12x - 20}{3x - 5} = \frac{ {x}^{2} + 8x + 12}{2x + 3} [/tex]
Solution give;;;​

Answers

Answer:

In attachment I have answered this problem.

1. Complete the problem by using your calculator. Round your answer to three decimal places.
If f(x)=x^3– 7x^2+ 3 find f(-2) and f(3/4)
a. f(-2) = 3 and f(3/4)= 2.728
b. f(-2)= 3 and f(3/4)= 10
c. f(-2)=-33 and f(3/4)=-0.516
d. f(-2)= 7 and f(3/4)= 21
e. f(-2)= 10 and f(3/4)=-0.968
nhing utility Round

Answers

Answer:

c.

Step-by-step explanation:

Plug in -2 for x ....

f(x) = -2^3 - 7(-2)^2 + 3

     = -8 - 28 + 3

     = -36 + 3

     = -33

Plug in 3/4 for x ....

f(x) = 3/4^3 - 7(3/4)^2 + 3

     = 27/64 - 63/16 + 3

The put in decimals ....

27/64 = .422

63/16 = 3.938

Put the decimals back into the equation ....

     = .422 - 3.938 + 3

     = -3.516 + 3

     = -.516

Which is the correct solution for the following inequality: 9 ≤ 4x + 1 < 21

2 < x < 5
2 < x < 5

2 < x < 5
2 , <, x < 5

2 < x < 5

Answers

Answer:

2<=x<5

Step-by-step explanation:

first subtract one from all pieces, then divide by four. because you never divide by a negative so switching of sides is needed. Two is less than or equal to x which is less than five.

ou have space in your garden for 60 small flowering bulbs. Crocus bulbs cost $0.45 each and daffodil bulbs cost $0.65 each. Your budget allows you to spend $35.00 on bulbs. How many crocus bulbs and how many daffodil bulbs can you buy

Answers

9514 1404 393

Answer:

20 crocus40 daffodil

Step-by-step explanation:

Let d represent the number of daffodil bulbs you buy. Then 60-d is the number of crocus bulbs. The total cost will be ...

  0.45(60 -d) +0.65(d) = 35.00

  27 +0.20d = 35

  0.20d = 8 . . . . . . . . . subtract 27

  d = 40 . . . . . . . . . . multiply by 5

  60 -40 = 20 . . . . . crocus bulbs

You can buy 20 crocus bulbs and 40 daffodil bulbs for $35.

The length of a rectangle is 2 in longer than its width.
If the perimeter of the rectangle is 68 in, find its length and width.

Answers

Answer:

Length: 18

Width: 16

Step-by-step explanation:

HELP ASAP DUE IN 5 MIN I WILL GIVE 15 POINTS QND MARK BRAINLIEST DO NOT SPAM As a kitten, Mittens weighed 2 3/4 pounds. At his 6-month check-up with the vet, Mittens weighed 6.5 pounds. How much weight did Mittens gain between the time he was a kitten and his 6-month check-up? Enter your answer as a decimal or simplified mixed number in the box.​​

Answers

Answer:

3.75

Step-by-step explanation:

Answer:

3.75

Step-by-step explanation:

Hope this helps

Have a great and blessed day :)

The values of x and y which satisfy the equations
x + 2 y = 27 and 2x - y = 19 are respectively
(A) 15 and 10
(B) 10 and 15
(C) 7 and 13
(D) 13 and 7

Answers

D) 13 and 7

This is because when the value of x is 13 and the value of y is 7, these equations both become true.

Which choices are equivalent to the expression below? Check all that apply.
4./6
O A. 96
B. 132.5
I C. 4../36
O D. 116.6
E. 196
OF V24
SUBMIT

Answers

Answer is
B 32 • 3
D 16•6
E 96
Square root them and multiply to get the answer

PLEASE HELPPPP

Find m∠BXY.

Answers

Answer:

I think 30°

Step-by-step explanation:

Pls make me brainliest plssssssssssssss

Imsureeeeeeee123

36’ thats the answer i dont have tha small circle so i made a better one ;)

what set of angles can form a line

Answers

Answer:

Did u mean triangle? There are no angles on a line.

Or do you mean two angles of 90 degrees?

Step-by-step explanation:

The Consumer Price Index (CPI), which measures the cost of a typical package of consumer goods, was 202.2 in 2011 and 244.6 in 2016. Let x = 11 correspond to the year 2011 and estimate the CPI in 2014 and 2015. Assume
that the data can be modeled by a straight line and that the trend continue indefinitely Use two data points to find such a line and then estimate the requested quantities

Answers

Answer:

y = 8.48x + 108.92227.64236.12

Step-by-step explanation:

According to given we have (x, y) pairs:

(11, 202.2) and (16, 244.6)

Work out the equation of the line.

Find the slope:

m = (244.6 - 202.2)/(16 - 11) = 8.48

Find the y- intercept using one pair of coordinates:

202.2 = 8.48*11 + bb = 202.2 - 93.28b = 108.92

The line is:

y = 8.48x + 108.92

Find the value of y when x = 14 and x = 15:

y = 8.48*14 + 108.92 = 227.64y = 8.48*15 + 108.92 = 236.12

2. which of the following shows the cube of a binomial?​

Answers

Answer:

Socratic app

Step-by-step explanation:

it will help you

Please help me with this question

Answers

Answer:

M: (-2,6)

M': (-2,-6)

X coordinate

the coordinates of M would be (-2, 6)
M' would be (2, 6)
when it's reflected over the y-axis, the x coordinate changes signs (becomes positive)

This the right one click it so you can get it right

Answers

Answer:

The one highlighted yellow is the correct option

6 liters is to 72 km as 50 liters is to x km

The diameter of a circle is 4 centimeters. What is the circle's circumference?
d=4 cm
Use 3.14 for .

Answers

Answer:

12.56cm.

Step-by-step explanation:

Given that the diameter of a circle is 4 centimeters

The equation to find the circumference would be C=πd

C=3.14x4

=12.56

The circumference of the circle would be 12.56cm.

Hope this helps :)

what is 83\100 in decimal form

Answers

0.83 is the answer because when you divide a number by 100 you move the invisible decimal place 2 spaces to the left:
83 = 83.0 When you move the decimal place two places to the left you get: 0.83

Hope this helps!

Trayvon enters a competition to guess how many balls are in a barrel.
Trayvon’s guess is 63 balls.
The actual number of balls is 60.

What is the percent error of Trayvon’s guess?

Answers

5% error

Step-by-step explanation:

% error = (estimation - actual value)/actual value * 100%

Trayvon's estimation is 63 and the actual value is 60, so our expression is:

(63 - 60)/60 * 100

63 - 60 = 3, so we get:

3/60 * 100

And 3/60 = 0.05, so now we have:

0.05 * 100 = 5

The percent error of Trayvon’s guess is 5%

What is the absolute error?

"It is the absolute difference between an observed value and the actual value."

What is the relative error?

"It is the ratio of the absolute error of the measurement to the actual value."

What is the percent error?

"It is the relative error multiplied by 100."

For given example.

Trayvon’s guess is 63 balls.

[tex]V_o=63[/tex]

The actual number of balls is 60.

[tex]V_A=60[/tex]

The absolute error is,

[tex]\Rightarrow A=|V_o-V_A|\\\\\Rightarrow A=|63-60|\\\\\Rightarrow A=3[/tex]

The relative error is,

[tex]\Rightarrow R=\frac{A}{V_A} \\\\\Rightarrow R=\frac{3}{60}\\\\ \Rightarrow R=0.05[/tex]

The percent error is,

[tex]\Rightarrow P=R\times 100\\\\\Rightarrow P=0.05\times 100\\\\\Rightarrow P=5\%[/tex]

Therefore, the percent error of Trayvon’s guess is 5%

Learn more about the percent error here:

https://brainly.com/question/3670306

#SPJ2

What is an equation of the line that passes through the points (-2,1) and (6,-7)

Answers

The equation is y = -x - 1

Add and simplify. 2 3\8 + 9 1\8 =

Answers

Answer:

11 1/2

Step-by-step explanation:

So we fist should add 9 and 2 which is 11 then we should add 3/8 and 1/8 which is 4/8, which is equal to 1/2. So the answer is 11 1/2

Let 2m - 1 be a prime number. Prove that m is also a prime number

Answers

Answer:

False.

Step-by-step explanation:

This is false.

A Counterexample:

7 is prime.

2(4)-1 is 7.

4 is not prime.

Another Counterexample:

11 is prime.

2(6)-1 is 11.

6 is not prime.

Answer:

If m=2 (which is a prime number), then 4-1=3, 3 is a prime number.

Step-by-step explanation:

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