Answers
a. 32
b. 48
Step-by-step explanation:
Forty percent of the 80 birds were robins.
a. How many of the birds were robins?
b. How many of the birds were not robins?
___________________
Forty percent of the 80 birds that were robins = 40%/100%
To find how many of the birds were robins, use part/whole = part/whole
40%/100% = ?/80
This will tell us how many exact robins were there
To solve, multiply 80 by 40 and then divide all by 100
80 x 40 ÷ 100 = 32
so 32 of the birds were robins
now for b since 32 of the birds were robins out of 80 birds, subtract 32 from 80.
80 - 32 = 48
Related Questions
3/5+1/4=
pls help !!!!!
Answers
Hope it helps you!
pls lmk what the vertex of this is ?
Answers
Answer:
Point U
Step-by-step explanation:
The center point of the angle
-59_________-60
<
>
=
Answers
Answer:
>
Step-by-step explanation:
-59 is bigger than -60. If you think about it on a number line, it is bigger.
By the way, can you follow me on Brainly?
Thanks!
Answer:
-59 > -60
Step-by-step explanation:
in negatives, the less the number is, the more it is.(kind of confusing)
The area of the rectangle shown below is 36 square units. Set up and solve an equation to find the value of x
Answers
Answer:
x = 3 is the answer :)
hope this helps
Ava has $400 on her credit card. She bought a laptop for $315, and decided to spend the rest on shirts. The unit price of shirts which are on sale is $5. Part A: Enter an inequality which represents the maximum number of shirts, s, Ava can buy. Part B: What is the maximum number of shirts Ava can buy?
Answers
Answer:
A is 805i tink and B is for sure 17
Step-by-step explanation:
Wanda rode her bike 5km the first day and she rode her bike 10,000m the second day. How many meters, in total, did Wanda ride in the two days?
Answers
Answer:
there are one thousand (1,000) meters in a kilometer. So, 5,000 plus 10,000 is 15,000 meters.
Step-by-step explanation:
2.5 ( y + 2/5) = -13
Answers
Answer:
y= -5.6
Step-by-step explanation:
Two containers designed to hold water are side by side, both in the shape of a cylinder. Container A has a diameter of 30 feet and a height of 16 feet. Container B has a diameter of 22 feet and a height of 20 feet. Container A is full of water and the water is pumped into Container B until Conainter B is completely full. To the nearest tenth, what is the percent of Container A that is full after the pumping is complete?
Answers
Answer:
32.8%
Step-by-step explanation:
Container A:
Diameter = 30 feet
Radius = diameter/2 = 30/2
= 15 feet
Height = 16 feet
Volume of a cylinder = πr²h
= 3.14 * 15² * 16
= 3.14 * 225 * 16
= 11,304 feet ³
Container B:
Diameter = 22 feet
Radius = diameter / 2
= 22/2 = 11 feet
Height = 20 feet
Volume of a cylinder = πr²h
= 3.14 * 11² * 20
= 3.14 * 121 * 20
= 7598.8 feet ³
what is the percent of Container A that is full after the pumping is complete?
Container A - container B
= 11,304 feet ³ - 7598.8 feet ³
= 3,705.2 feet ³
percent of Container A that is full after the pumping is complete = 3,705.2/11,304 × 100
= 0.328 × 100
= 32.8%
percent of Container A that is full after the pumping is complete = 32.8%
The mean of data set A is 42. The mean of data set B is 47. The mean absolute deviation (MAD) of both data sets is 2.5. What is the difference of the means?
Answers
Answer:
the difference of the mean in the case of mean absolute deviation is 2.5
Step-by-step explanation:
The computation of the difference of the mean is shown below:
Difference is of
= B - A
= 47 - 42
= 5
Now the difference of the mean is
= 5 ÷ 2.5
= 2.5
Hence, the difference of the mean in the case of mean absolute deviation is 2.5
The same would be relevant
How does the graph of f(x) = 3|x+2|+4 relate to its parent function?
A. The parent function has been translated to the left.
B. The parent function has been stretched.
C. The parent function has been compressed.
D. The parent function has been translated up.
Answers
Answer:
If the parent function is f(x)=|x+2|+4 and it is moved to the left 2 units vertically stretched by a factor of 3 and moved up by 4 units in that order because to move a function to left c units, add c to every x to vertically stretch function by a factor of c, multiply the whole function by c to move function up c units, add c to the whole function so it is 2 to the left, vertically stretched by a factor of 3 then moved up 4 units.
The points relates to parent function are:
The parent function was translated upward. The parent function was moved to the left. The parent function has been overburdened. What is a parent function?In mathematics, a parent function is the simplest function in a family of functions that maintains the definition of the entire family.
In graphing, the parent function is the basic equation where the graph is not transformed. A straight line, for example, has a parent function of y=x. The equations from such transformations will still be part of the family of lines if this graph is translated, reflected, rotated, or dilated.
The graph depicts the function f(x) - 3|x+2|+4.
The parent function was translated upward.
The parent function was moved to the left.
The parent function has been overburdened.
Learn more about Transformation here:
https://brainly.com/question/16089995
#SPJ7
Find each sum or difference. 31 - 42.9 =
Answers
Answer:
-11.9
Step-by-step explanation:
plz crown
Answer: 11.9
Step-by-step explanation: you have to subtract the 2 numbers
I need help ASAP!!
The height of a right pyramid with a square base is 4 feet. The length of a side of the
base of the pyramid is 6 feet. What is the slant height, s, of the pyramid?
Answers
Answer:
i think its 6
Step-by-step explanation:
i dont know for sure
PLEEEEEEASE HELP ME
Janette needs to break down the food container shown below for recycling purposes:
Which of the following will be the resulting net of the food container?
Answers
Answer:
Pretty sure the one you pointed an arrow to is correct.
Step-by-step explanation:
It has a circle at the bottom and the top as well as a slip for the body!
The net of the food container is the first diagram in the options.
What is the net of the food container?The net of a shape is the shape of the object when it is laid out flat. The food container has the shape of a cylinder. A cylinder is a three-dimensional object. It is a prism with a circular base.
The net of a cylinder is two circles and a rectangle.
To learn more about a cylinder, check: https://brainly.com/question/9624219
Find the surface area of the prism. Write your answer as a fraction or moxed number.
Answers
Convert the number to scientific notation. 0.000001019
Answers
Answer:
0.000001019 in scientific notation
=
1.019 × 10-6
Step-by-step explanation:
Answer:
[tex]1.019^{6}[/tex]
Step-by-step explanation:
increase 140 in the ratio 7:5.
Answers
Answer:
the answer is 196
Step-by-step explanation:
Answer:
i think that the correct answer might be 196
George's scale drawing of a rectangular volleyball court is 6 inches long
by 3 inches wide. What is the
actual area if the scale is 1 inch = 8 meters?
Answers
simplify. -4x^2-5(x+3)+x^2
Answers
-4x^2-5x-15+x^2
-3x^2- 5x -15
The cost of buying 1 DVD is $19.99. The cost of buying 1 CD is
$9.99. The cost of buying 3 DVDs and 5 CDs is given by the
expression 3 x 19.99 + 5 x 9.99. What is the total cost?
Answers
Answer: The Total $110
Step-by-step explanation:
I hope this is what you are looking for
Please can someone help me out with this- I’m really stuck on this problem and I can’t get off of it cause I failed it to much :/
Answers
A store sold 655 bicycles last year. This year the store sold 582 bicycles. What is the percent of change in the number of bicycles sold from last year to this year? Round to the nearest percent
Answers
Answer:
12.5%
Step-by-step explanation:
Given data
Number of bicycles sold last year= 655
Number of bicycles sold this year= 582
%percent change= Iniitial -FInal/initial *100
%percent change= 655-582/582*100
%percent change= 73/582 *100
%percent change=0.125 *100
%percent change=12.5%
Hence the percent change is 12.5%
What is the value of tan x
Answers
Answer:
THE ANSWER HAS TO BE 6/10
Step-by-step explanation:
Find two consecutive even integers who's sum is 34.
Answers
Answer:
Step-by-step explanation:
Let the smaller integer be x
x+x+2 =34
2x+2=34
2x=32
x=16
Smaller even integer = 16
Larger even integer = 16+2 = 18
Answer = 16,18
Solve 3n – 4= 14
Put the steps in order to solve the equation from first to last.
n = 6
Add 4 to both sides
Divide both sides by 3.
Answers
Answer:
n = 6
Step-by-step explanation:
Given
3n - 4 = 14 ( add 4 to both sides )
3n = 18 ( divide both sides by 3 )
n = 6
Find the mean of the weight of rocks: 4 lbs, 6 lbs, 4 lbs, 5 lbs, 9 lbs, 8 lbs
3
Answers
Answer:
5.6 (rounded)
Step-by-step explanation:
add all the numbers, then divide by how many numbers u added :)
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Brian needs to find the value of a number, a, so that when (x^2+3x) is added to the binomial (3x^2+ax), the sum simplifies to 4x^2+12x. What is the value of a?
Answers
Answer:
a = 9
Step-by-step explanation:
First we need to add (x^2+3x) to (3x^2+ax),
(x^2+3x)+(3x^2+ax)
Expand
= x^2+3x+3x^2+ax
Collect the like terms
= x^2+3x^2+3x+ax
= 4x^2 + 3x + ax
= 4x^2+(3+a)x
Equate the solution to 4x^2+12x
4x^2+(3+a)x = 4x^2+12x
Comparing the like terms on both sides
(3+a)x =12x
3 + a = 12
a = 12 - 3
a = 9
Hence the value of a is 9
The solid is a right hexagonal pyramid. What is the sum of the number of faces, vertices, and edges of the solid?
o7
o 12
o26
o38
Answers
Answer: 26
Step-by-step explanation: assignment on edg
Answer:
26
Step-by-step explanation:
got it right on test
Help me, please. I really need to get past this.
Answers
Answer:
5x=180
-5. -5.
×= 175
Answer: I am pretty sure the answer is 24
Step-by-step explanation:
So since the two angles are vertical opposite angles, they are congruent angles. Then,
120 = 5x
120/5 = 5x/5
24 = x
pls help me:) pweassssssssse:{
Answers
Answer:
LCM = 24
Step-by-step explanation:
8 = 2 x 2 x 2
12 = 2 x 2 x 3
LCM = 2 x 2 x 2 x 3 = 24
Hope that helps! :)
<3 Cin Aphrodite...
Answer:
24!
Step-by-step explanation:
8 = 2 x 2 x 2
12 = 2 x 2 x 3
2 x 2 x 2 x 3 = 24
Hope this helps : )
The lifespans of meerkats in a particular zoo are normally distributed. The average meerkat lives 10.410.410, point, 4 years; the standard deviation is 1.91.91, point, 9 years.
Use the empirical rule (68-95-99.7\%)(68−95−99.7%)left parenthesis, 68, minus, 95, minus, 99, point, 7, percent, right parenthesis to estimate the probability of a meerkat living less than 16.116.116, point, 1 years.
Answers
Answer:
99.85%
Step-by-step explanation:
The lifespans of meerkats in a particular zoo are normally distributed. The average meerkat lives 10.4 years; the standard deviation is 1.9 years.
Use the empirical rule (68-95-99.7%) to estimate the probability of a meerkat living less than 16.1 years.
Solution:
The empirical rule states that for a normal distribution most of the data fall within three standard deviations (σ) of the mean (µ). That is 68% of the data falls within the first standard deviation (µ ± σ), 95% falls within the first two standard deviations (µ ± 2σ), and 99.7% falls within the first three standard deviations (µ ± 3σ).
Therefore:
68% falls within (10.4 ± 1.9). 68% falls within 8.5 years to 12.3 years
95% falls within (10.4 ± 2*1.9). 95% falls within 6.6 years to 14.2 years
99.7% falls within (10.4 ± 3*1.9). 68% falls within 4.7 years to 16.1 years
Probability of a meerkat living less than 16.1 years = 100% - (100% - 99.7%)/2 = 100% - 0.15% = 99.85%
Answer:
13.5%
Step-by-step explanation: