45 is what percent of 80?​

Answers

Answer 1
I hope this helps
36

Related Questions

Find the surface area of the prism

Answers

Answer:

192 km²

Step-by-step explanation:

Surface Area of the triangular prism = 2(Base Area) + Perimeter of Base*height of the prism

✔️Base Area = ½*bh

b = 6 km

h = 8 km

Base area = ½*6*8 = 24 km²

✔️Perimeter of base = 6 + 8 + 10 = 24 km

✔️Height of prism = 6 km

Plug in the values into the equation:

Surface area = 2(24) + 24*6 = 48 + 144

Surface area = 192 km²

Solve the following system of equations: (2 points) −2x + y = 1 −4x + y = −1

Answers

Answer:

(x,y)=(1/2,0)

Step-by-step explanation:

rewrite the expression

-2x+y=-1

1-4x+y=-1

A sports store received a shipment of 150 footballs and basketballs. 20% were basketballs. How many footballs were in the shipment?

Answers

Answer:

10 is the answer

Step-by-step explanation:

Answer:

120

Step-by-step explanation:

120 because 20% of the 150 balls is 30 or right so forth the football is a subtract the 150 from the 30 which gives you 120

Determine what type of solution the following equation has: 2x-7=2x+3

- No solution
- One solution
-Infinitely Many solution

Answers

I’m pretty sure that has no solution! :)

Explanation:
2x - 7 = 2x + 3
2x - 2x -7 = 2x - 2x + 3
-7 = 3
no solution

(Also, could I get brainliest?)

giving brainliest *easy*!!

Answers

Answer:

452.16 square yards

Step-by-step explanation:

The equation for the SA of a sphere is A=4πr2

Substituting r = 6 yards : A= 4 * 3.14 * 6^2 = 452.16 square yards

Answer:

452.16

Step-by-step explanation:

Which equation below is decreasing across all real numbers ?

A. y=2(1/4)^x

B. y=1/3(5)^x

C. y=3x-5

D. y=3(5)^x

Answers

Answer:

A

Step-by-step explanation:

All the other exponential equations have a base greater than 1 except A and c is a linear equation with positive slope

The radius of a circle is 7 in find its area to the nearest tenth

Answers

Answer:

why there is no problem i do not see it

Step-by-step explanation:

A home value increases at a rate of 2.3% per year. If you purchased a home for 192,300, what would be the value of the home in 10 years? Round to the nearest cent.

Answers

9514 1404 393

Answer:

  $241,399.09

Step-by-step explanation:

The value is increasing exponentially with a growth factor of 1.023, so it will be ...

  v(t) = 192,300×1.023^t

  v(10) = 192,300×1.023^10 ≈ 241,399.09

The value is predicted to be $241,399.09 in 10 years.

What is the answer ?

Answers

The answer is b welcome

find the surface area of the nearest whole number ​

Answers

Answer:

46

Step-by-step explanation:

Hope it Helps

Brainliest please

Cheng likes a modern lawn sculpture made of four identical solid right pyramids with square bases. He decides to create an exact copy of the sculpture, so he needs to know what volume of sculpting material to purchase. 2 identical solid right pyramids with square bases are connected at the square base. Another 2 are connected in the same way and are stacked on top of the other 2 pyramids. The length of the base edge is 2 feet and the height of the whole structure is 6 feet. He measures each edge of each base to be 2 feet. The height of the whole sculpture is 6 feet. What is the volume of material he must purchase? 2 ft3 4 ft3 6 ft3 8 ft3

Answers

Im Very sorry for the bots (I hate when they do this) BUT the answer is 8ft 3 Hope it helps!!

To create an exact copy of the sculpture, the volume of material they must purchase is [tex]8\,\text{f}{{\text{t}}^{3}}[/tex].

What is the volume of a cuboid?

The volume of a cuboid is calculated by multiplying its length, width, and height.

The length and width of the triangle are identical since the base is a square.

[tex]L = W = 2\,{\text{ft, and }}H = 6\,{\text{ft}}[/tex]

Knows the volume of material he must purchase,

[tex]\text{Volume}=\frac{\text{Height}\times \text{length}\times \text{width}}{3}[/tex]

So,

[tex]\Rightarrow \text{Volume}&=\frac{2\times 2\times 6}{3} \\\Rightarrow \text{Volume}&=2\times 2\times 2\,\text{f}{{\text{t}}^{3}} \\ \Rightarrow \text{Volume}&=8\,\text{f}{{\text{t}}^{3}} \\[/tex]

Therefore, the volume of material they must purchase is [tex]8\,\text{f}{{\text{t}}^{3}}[/tex].

Learn more about the volume of cuboids, here:

https://brainly.com/question/46030

A survey of Mrs. Ramirez's students showed that 30
students will have pizza fonlunch, 17 will have macaroni
and cheese, 12 will have a hamburger, and 5 will have
chicken fingers. Suppose Mrs. Ramirez surveys all 1 200
students in the school. How many students can she
expect to choose hamburgers for
Hunch?

Answers

Answer: 480

Step-by-step explanation:

We can create a ratio for this!

We have:

[tex]\frac{number of hamburgers}{total students}[/tex]= [tex]\frac{new number of hamburgers}{new number of students}[/tex]

We can use substitution to input the information we already know:

[tex]\frac{12}{30}[/tex] = [tex]\frac{x}{1200}[/tex]

Using cross multiplication, we get:

1 200(12) = 30x

14,400 = 30x

[tex]\frac{14,400}{30}[/tex]=[tex]\frac{30x}{30}[/tex]

x = 480

Hope this helps! :)

The number of students expect to have hamburgers for lunch is 225 students.

What is a word problem?

A word problem is a verbal description of a problem situation. It consists of few sentences describing a 'real-life' scenario where a problem needs to be solved by way of a mathematical calculation.

For the given situation,

Mrs. Ramirez's survey on students

Number of students have pizza = 30

Number of students have macaroni and cheese = 17

Number of students have a hamburger = 12

Number of students have chicken fingers = 5

Total number of students = 64.

Now, Mrs. Ramirez surveys all 1 200 students.

Then number of students expect to choose hamburgers for lunch can be found by,

[tex]\frac{Number of students have hamburgers}{Total number of students} = \frac{Number of students expect to have hamburgers}{ Total number of students}[/tex]

Let x be the number of students expect to have hamburgers.

⇒ [tex]\frac{12}{64}=\frac{x}{1200}[/tex]

⇒ [tex]x=\frac{(12)(1200)}{64}[/tex]

⇒ [tex]x=225[/tex]

Hence we can conclude that the number of students expect to have hamburgers for lunch is 225 students.

Learn more about word problems here

brainly.com/question/20594903

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What is the probability that a randomly selected date in the year 2021 is not in the month of October or
November?
Type your answer into the box as a decimal. Round to the nearest thousandth.

Answers

Answer:

0.833

Step-by-step explanation:

There are 365 days in 2021

There are 31 days in October

There are 30 days in November

(365-61)/365 = 0.833

HELP URGENT PLEASSSSSSSSSSSSSSEEEEEEEEEEEEEEEE

Answers

Answer:

1 4/5 pounds each

Step-by-step explanation:

9/5 = 1 4/5

which of the following could be the graph of the line y=3x-2?

Answers

Answer:

D should be the right answer

Answer:

C. IS THE CORRECT ANSWER

Step-by-step explanation:

Simplify the expression 2 • (3 + 5 − 1) • 2

Answers

I think the simplify expression is 2^2 x 7 = 28. Sorry if it is wrong
The answer is 28 because first you have to simply what’s inside the brackets (3+5-1) which =7 then multiply 2•7•2 which =28

A clothing salesperson earns a 10% commission on a $65
sale. How much is the commission?

Answers

10% of $65 is 0.1*$65 so $6.50

im almost done with this hw. plz help!!! give explanation if you actually know the answer so ik u dont just want points

Answers

Answer:

he would have a 2/5 chance because he misses or hit three so he would either miss two or hit two according to the chart

Step-by-step explanation:

sry if I'm wrong but it would be one of the most valid answers

Answer:

3/10

Step-by-step explanation:

#2, 7 and 8 are the valid 3 goal trials out of 10

Greg buys 21 bags of nails. Each bag has 85 nails in it. Greg rounds both numbers to the nearest ten to find an estimate of the total number of nails. What is the difference between Greg's estimate of the total number of nails and the actual total number of nails?

Answers

Answer:

1800

Step-by-step explanation:

21 rounds to 20

85 rounds to 90

20*90=1800

21*85=1785

1800-1785=15 nail difference



What fractions Equivalent to 1/2

Answers

Answer:

2/4 3/6

Step-by-step explanation:

any fraction where the numerator is half of the Denominator

Enter the phrase as an algebraic expression.

the product of 38 and g

Answers

Answer:

38g

Step-by-step explanation:

Product means multiplication so:

The product of 38 and g is 38g

4x + 10= 22 find the value of x

Answers

Answer:

x=3

Step-by-step explanation:

A regression would be appropriate for which of the following types of data settings A. Estimate the amount hot dogs sales for the Superbowl game in Saint's stadium based on a sample of the hot dog stands. B. Estimate the increase in lung cancer for smokers vs. non-smokers C. Predicts someone's blood alcohol level from the number of whiskey drinks they consumed D. All of the above

Answers

Answer:

C. Predicts someone's blood alcohol level from the number of whiskey drinks they consumed.

Step-by-step explanation:

In Statistics, classification problems are differentiated from estimation problems because classification problems typically requires that the output attribute be categorical while estimation problems require that the output attribute is numerical. In an estimation problem, the output variable has a continuous or real value, such as predicting the size, area, weight, age or even the cost of an item.

A Classification problem work with the concept of creating a succinct model such as decision trees, Naive Bayes, random forest, logistic regression, etc, which is capable of predicting from the attribute (observed) variables given; values of the dependent attribute, which is always categorical.

In order to predict a dichotomous variable from a given data set comprising of continuous or dichotomous variables, a logistic regression can be used.

Mathematically, it is given by the expression;

Logistic regression [tex] y [/tex] with [tex] x_{1} [/tex], [tex] x_{2} [/tex]........[tex] x_{n} [/tex]

Where;

y represents the dichotomous dependent variable.

[tex] x_{1} [/tex], [tex] x_{2} [/tex]........[tex] x_{n} [/tex] represents the predictable variables, which are categorical in nature such as alive or dead, win or lose, sick or healthy, pass or fail, etc.

Hence, a regression would be appropriate for predicting someone's blood alcohol level from the number of whiskey drinks they consumed.

help please. i need it asap

Answers

Answer:

The answer  3

Step-by-step explanation:

Consider the circle below.
B
(7w - 4)º
A
C
(5w + 20)
D
Determine mAB.

Answers

Answer: d

Step-by-step explanation:

Will give brainlyist
what is 6x7(7x6)-10

Answers

Answer:

1754

Step-by-step explanation:

Hail Hydra!

Answer:

I think it's 1,754

Step-by-step explanation:

I'm not 100% sure, sorry if it's wrong.

PEMDAS

Parenthesis first: (7x6=42)

Next: 6x7x42= 1,764

Lastly: 1,764-10=1,754

1,754

If this helped, then please give me crown, rate, and heart.

Thank you! ^-^

Charles is eight years older than five times Mark's age. If Charles is 63 years old, how old is Mark?

Answers

Answer:

21

Step-by-step explanation:

Answer: 11

Step-by-step explanation:

11x 5 is 55. 55 plus 8 is 63

help please, asap. i need this done

Answers

Answer:

2

Step-by-step explanation:

15/3=5

25/5 = 5

10/2 = 5

Answer:

2

Step-by-step explanation:

You have to find the "pattern."

for 15 and 3, you have to divide 15 by 5 and thats 3.

for 25 and 5, 25/5 is 5, so 10/5 is 2.

Jake ran a full marathons of 26 miles. His average speed was 6 miles per hour. About how long did it take him to cross the finish line?

Answers

Answer:

Step-by-step explanation:

273m

I APRECIATE HELP. A regression line was calculated for three similar data sets (A, B, and C) that measure the height of a plant (in inches) over time (in days). The residual plots for each set are shown. Based on the residuals, which data set is best fit by the regression line?

Answers

The data set that is best fitted by the regression line is; Data Set B

What are regression residuals?

Residuals are described as the distance of  each point from the regression line.  Thus, the farther each point is from the line, the worse the fit and the closer each point is to the line, the better the fit.

Graph C has points that are not tightly centered around a line.  This is not a good fit.

Graph A has a straight line; it is not a good fit.

Graph B, shows us that all of the points are tightly centered around a line; this is a good fit.

Read more about Regression Residuals at; https://brainly.com/question/17844286

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