What is the sum of all two-digit whole numbers
whose squares (think exponents!) end with the
digits 21?
What is the sum of the two digit numbers?
Answers
Answer:
11x11
Step-by-step explanation:
11 x 11 =121
Related Questions
Sula designs greeting cards for her friends. Each friend has a 30% chance to get a musical greeting card. Design a simulation that can be used to estimate the probability that a friend will receive a musical greeting card.
Answers
Here's a simple Python code that simulates the process:
```python
import random
num_friends = 1000 # the number of friends
num_musical_cards = 0 # the number of friends who received musical cards
# simulate the card distribution for each friend
for friend in range(num_friends):
if random.random() < 0.3:
num_musical_cards += 1
# calculate the probability of a friend receiving a musical card
prob = num_musical_cards / num_friends
print("Probability of a friend receiving a musical card:", prob)
```
In this simulation, we create a loop that simulates the card distribution for each friend. We randomly assign a musical card to each friend with a 30% chance. Then, we calculate the probability of a friend receiving a musical card by dividing the number of friends who received musical cards by the total number of friends.
You can adjust the `num_friends` and `random.random() < 0.3` parameters to match your specific scenario.
Which inequalities would have an open circle when graphed? Check all that apply.
t Less-than-or-equal-to 25
-2.5 Less-than-or-equal-to m
x > 5.4
One-half less-than x
x > 0
Answers
An open circle is used to graph strict inequalities, which means the inequality does not include the value at the boundary. The inequalities that would have an open circle when graphed are:
x > 5.4
One-half less-than x
x > 0
if an inequality states less than OR equal to that means the circle will be closed when graphed
Evaluate the expression when x=10, y=−2, and z=−5.
\(\frac{−x2+6z}{y}\)
Answers
Step-by-step explanation:
x=10, y=-2, z=-5
(-x2+6z)/y
= [-(10)2+6(-5)]/-2
=-20-30/ -2
=-50/-2
=25
I'm really not sure about this answer so let me know if in wrong :)
=25
Have a good day
A grizzly bear’s top speed is about 36 mph. This speed makes the bear about 1 times as fast as an African elephant.
What is the top speed of an African elephant?
A. An African elephant can reach a top speed of about 48 mph because .
B. An African elephant can reach a top speed of about 39 mph because .
C. An African elephant can reach a top speed of about 34 mph because .
D. An African elephant can reach a top speed of about 24 mph because .
Answers
Answer:
The answer is A
Step-by-step explanation:
Because the answer says this speed makes the grizzly bear about 1 times as fast as an African elephant
Honors Refresher Quiz #8 1. If a figure is dilated by a scale factor of 12, the area of the figure will change by a factor of
Answers
Answer:144
Step-by-step explanation:
When area is dilated you have to multiply the dialation factor by itself, in this case (12 x 12)
A teacher surveys a sample of students from Lake Middle School. He asks the students where they’d like to go for a field trip. He records these results:
80 choose the aquarium.
60 choose the science center.
30 choose the planetarium.
40 choose the farm.
The teacher wants to figure out the relative frequency of a student choosing the aquarium. He will then estimate how many students out of all 1000 at the school are likely to choose the aquarium.
4) Write and solve a proportion that the teacher can use to estimate how many students in the whole school would choose the aquarium. Show your work.
Answers
Answer:
210 student's
Step-by-step explanation:
80 students chose the aquarium.
60 students chose the science center.
30 students chose the planetarium.
40 students chose the farm.
The students can't vote for more than one place, so you just add all the numbers together.
80 + 60 + 30 + 40 = 210 students
Please answer the bottom question please (the cylinder question)! The first one has been answered already.
Answers
Answer:7,065
Step-by-step explanation: 50x75x3.14 then subtract 20x75x3.14
26/50 convert to a decimal
Answers
Step-by-step explanation:
26/50
= 26 ÷ 50
=0.52
hope it helps
Answer:
26÷50 0.52 decimal hope helpful answerdue today at 11 pm!
Answers
Answer:
the picture is very low quality, maybe try to put more effort?
Step-by-step explanation:
Measurements of atoms, such as amounts, distances, and weights, are often very large or very small when compared to measurements of things you can see or touch. Scientific notation represents numbers as a power of 10. This makes very large or small numbers easier to use and understand. Approximately 7,500,000,000,000 carbon atoms fit across the period that you make with your pencil. Express this number in scientific notation. (PLEASE ANSWER FAST I'LL GIVE BRAINLIEST ALSO PLEASE DO ALL THIS IS WORTH 30 POINTS)
Step 1 Rewrite the number with a decimal after the first nonzero digit.7.500000000000
Step 2 Find the number of places and the direction you moved the decimal. If a number does not show a decimal, the decimal is at the right end of the number.You moved the decimal 12 places to the left.
Step 3 Drop the zeros, and write the number of places you moved the decimal as a power of 10. If you moved the decimal to the right, the power is negative. If you moved the decimal to the left, the power is positive.7.5 × 10 12
Step 4 Reverse the process to change scientific notation back to a whole number. A positive power of 10 moves the decimal to the right. A negative power of 10 moves the decimal to the left.
(Answer 1, 2, 3, 4 and 5 )
1. A sample of gold contains 3,800,000,000,000,000,000 atoms. Express this number in scientific notation.
2. A sample of silver contains 400,000,000,000,000 atoms. Express this number in scientific notation.
3. A sample of carbon has a mass of 0.000000000000000000034 kg. Express this mass in scientific notation.
4. A sample of silicon contains 5.23 × 10^11 atoms. Write this amount as a whole number.
5. The mass of a proton is about 1.67 × 10 -27kg. Write this mass as a whole number
Answers
Answer:
Step-by-step explanation:
1)3.8 *10¹⁵
2)4.0*10¹⁴
3)30.4*10⁻²⁰
4)523,000,000,000 atoms
5)0.000 000 000 000 000 000 000 000 00167
what is the maximum number of 14 pound turkeys that can be purchased with the money donated while still purchasing 100 total turkeys? 10 pound turkeys cost 9.25 and 14 pound turkey cost 12.75. Money limit is $1000.
Answers
Answer:
64.05$
Step-by-step explanation:
What is the area of Z?
Answers
Answer:
t = 5 kilometers
Step-by-step explanation:
From the given figure,
Perimeter = 18 kilometers
Now, the formula for perimeter of a rectangle = 2(l + b)
Where,
'l' is the length of the rectangle
and
'b' is the breadth of the rectangle.
Since length is the longest side of a rectangle, therefore from the given figure
=> l = t kilometers
and
=> b = 4 kilometers
Substituting values in the formula,
18 = 2(t + 4)
=> 18/2 = t + 4
=> 9 = t + 4
=> 9 - 4 = t
=> t = 5 kilometers
Answer:
5 km
Step-by-step explanation:
We know that the perimeter of this rectangle is 18km.
We also know that 1 side is 4km.
Given the perimeter formula:
\(P=2(l+w)\)
We can substitute our given values:
18=2(4+w)
Solve the right side
18=8+2w
subtract 8 from both sides
10=2w
divide both sides by 2
5=w
This means that z, the width, is 5 km.
Hope this helps!
PLEASE HELP!!!! (+10 POINTS!!!!!!)
Answers
Answer: 0.75
a triangle is composed of 3 sides. ther are three types of triangles they are- isoceles, equilateral and scalene triangle. a triangle consists of a base and a hight. so the formula fir the area of a trianlge id half multiplied by the base multiplied by the height.
hence 1/2 * 2 * 3/4 = 0.75
Graph the following in cartesian plane. With solution.
1.) 5x - 4y = 20
2.) 3x + 3y = 15
3.) y = 3/4x - 2
4.) y = -3/2x + 3
Answers
2. 5
3. 3/8
4. -1/2
In the figure below, ray MP and MQ both intersect line LN. What is the measure of angle QMN?
QUICKEST AND BEST ANSWER GET BRAINLIEST
Answers
Answer:
C
Step-by-step explanation:
Answer:
answer is c correct me if im wrong
Step-by-step explanation:
Gary's car travel 30 miles on 1 1/5 gallon of gas. Gary wants to travel 90 miles. How many gallons of gas will his car use?
Answers
can you solve for pi
Answers
Answer:
No
Step-by-step explanation:
Pi (π) is a mathematical constant representing the ratio of a circle's circumference to its diameter. It is an irrational number, which means it cannot be expressed as a finite decimal or a fraction. Therefore, it is not possible to solve for pi in the traditional sense.
However, pi can be approximated to a certain number of decimal places using various mathematical methods, such as the Monte Carlo method or numerical integration. The commonly used approximation for pi is 3.14159265358979323846, but the actual value of pi has an infinite number of decimal places and cannot be fully calculated.
Answer:
You can't
Step-by-step explanation:
Pi is already a constant rate if that is what you want to call it. pi is 3.14159265359
Students are comparing the decimals 13.310, 13.28, and 13.301
Please put these numbers in order from least to greatest, enter the least value in answer spot 1.
________
________
________
Answers
Answer:
13.28
13.301
13.31
Step-by-step explanation:
13.28
13.301
13.310
The value of the surface area is the same as the value of the volume. Find the value of x, then the surface area & volume of the cylinder. I also need an explanation. Diameter=7 \(\frac{1}{5}\) ft, height=x
Answers
Here is my attempt:
I hope this helped
Please help! -Screenshot-
Answers
Answer:
c
Step-by-step explanation:
so you add 12-12-43 and get 120 so ya
Answer: It's D!!
Step-by-step explanation: 1 is more than -2:)
Select all ratios equivalent to 1:2 A. 10:20 B. 12:24 C. 8:16
Answers
Answer:
A, B, ad C
In order to find the ratio of something you must:
Add the parts of the ratio to find the total number of parts.
Find the value of each part of the ratio by dividing the number by the total number of parts calculated in step 1.
Multiply each part of the original ratio by the value of each part calculated in step 2.
Makayla purchased a jacket for $75 and a pair of shoes for $105. The
jacket was 10% off and the shoes were 20% off. Before tax how much was the
entire outfit?
Answers
$75 - 10% = $67.5
$105 - 20% = $84
$67.5 + $84 = $151.5
Stacy buys 3 CDs in a set for $30.38. She saved $6.34 by buying the set instead of buying the individual CDs.
If each CD costs the same amount, how much does each of the 3 CDs cost when purchased individually?
Each CD costs $--------
Answers
each CD costs $12.24 when sold individually
1. we add together 30.38 and 6.34 to get the full price when purchased individually
2. then you would divide $36.72 by three to get the individual cd price which is $12.24
i hope this helped :))
Explain answer:
I did this before just trust me ;)
Benton will correctly label the numbers −76.3,−7635,−76.25, and −76110 on the number line below
which number will be located closest to -77
PLEASE ANSWER QUICK I WILL GIVE 10 points (if answered fastt)
Answers
Answer: -76.35
Step-by-step explanation:
The point E is shown on the decimal number line below. Answer the questions that follow.
Answers
Answer:
Step-by-step explanation:
ejejejejejehehehe jejejeh
heheheheh sorry i needed the points
Answer:
I believe the correct answer should be 8.367, that is the number graphed on the number line.
Step-by-step explanation:
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
Write a list of steps that are needed to find the measure of ∠B.
Answers
Answer:
5 degree75 drgreeStep-by-step explanation:
hope I was correct
Answer: hope this helps ♡
The measure of ∠B is 41°
help me on this question pls
Answers
Answer: 0.0000039
Step-by-step explanation:
3.9x0.000001=0.0000039
Answer:12
Step-by-step explanation:multiply the numbers and subtract 6 hope this helped
PLEASE ANSWER QUICKLY I WILL GIVE BRAINLIEST Mrs. Morales wrote a test with 18 questions covering spelling and vocabulary, Spelling questions W) are
worth 5 points and vocabulary questions (y) are worth 10 points. The maximum number of points possible
on the test is 100
Part 1 out of 4
Write an equation in slope-intercept form to represent the number of questions on the test
The equation is y
Answers
Here's our data:
15 questions total
Total number of points: 100
Spelling questions are worth 5 and represented by x
Vocab questions are worth 10 and represented by y
Therefore:
x+y=15
5x + 10y= 100
So:
x+y=15
x= 15-y
5x +10y =100
5(15 -y) +10y =100
75 -5y +10y =100
75 +5y = 100
5y=25
y=5
x +y=15
x+5=15
x=10
There are 10 spelling questions and 5 vocab questions
FIRST TO ANSWER GET BRAINLIEST
This is the graph of a __function.
The y-intercept of the graph is the function value y=
The smallest positive x-intercept of the graph is located at x=
The greatest value of y is y=___, and it occurs when x=
For x between x = π and 2π, the function value y ___ 0
Answers
Answer:
1) Cos
2) 1
3) π
4) 1
5) y < 0
Step-by-step explanation:
1)
Cos
2)
The y-intercept is the value of y when x=0, ie the value of y when the line meets the y-axis. We can see from the graph that this is 1.
3)
The x-intercept is the value of x when y=0, ie the value of x when the line meets the x-axis. We can see from the graph that the smallest positive value of x when the line crosses the x-axis is π.
4)
Highest y value from graph is 1, and besides, for cos graphs, y≤1.
5)
We can see from the graph that between x=π and x=2π, the function is bellow the y-axis, ie y<0.
The graph is of a cos function. The y-intercept of the graph is the function value y=1. The smallest positive x-intercept of the graph is located at x=π. The greatest value of y is y=1, and it occurs when x=2π. For x between x = π and 2π, the function value y<0.
The point on the graph where it crosses the y-axis is known as the y-intercept. The y-intercept in this situation is zero since the graph crosses the y-axis at (0, 0).
The point at which the graph first crosses the x-axis at a positive value of x is known as the graph's smallest positive x-intercept. The graph in this instance crosses the x-axis at (x,0), making the smallest positive x-intercept.
The maximum value of the function is equal to the highest value of y. The greatest value of y in this situation is 1, and it happens when x = 2.
The function value y declines from 1 to 0 for x between x = and 2. You can observe this by examining the graph.
To know more about cos function:
https://brainly.com/question/32511014
#SPJ2
Graph the function 1/5x^2-2x-1
Answers
Answer:
Step-by-step explanation:
