Last year, there were 20 students in a class. This year, there are 30% more students. How many students are in the class this year?

Answer:

Nature : The phenomena of the physical world collectively, including plants, animals, the landscape, and other features and products of the earth, as opposed to humans or human creations. (according to Oxford Dictionary)

Answer:

6.557

Step-by-step explanation:

Answer:

6.557

Step-by-step explanation:

Hope this helps and have a great day!!!

Answer:

20

Step-by-step explanation:

4(d+7)

Let d= -2

4 ( -2 +7)

Parentheses first

4( 5)

Multiply

20

Answer:

0.4666666666666667

Step-by-step explanation:

Answer:

-1.2 or -5/6

Step-by-step explanation:

thats all I can say pls

Step-by-step explanation:

[tex] {a}^{5} \times {a}^{3} \\ = {a}^{5 + 3} \\ = {a}^{8} [/tex]

Hope it will help :)

Answer:

a⁵×a³=a⁸

because if base is same than the exponents can add

.

Answer:

$0.70

Step-by-step explanation:

Divide to find the unit rate.

3.5 / 100 = 0.035

Multiply.

0.035 * 20 = 0.7

Best of Luck!

Answer:

20 pencils will cost $0.70.

Step-by-step explanation:

3.5/100=x/20

cross product

100*x=3.5*20

100x=70

x=70/100

x=7/10

Answer:

The person's angular momentum will be double

Step-by-step explanation:

Let

Speed of person=v

Mass of person=m

Radius=r

Speed of person=2v

We have to find the person's angular momentum when the speed of person is double and all else remains same.

We know that

Angular moment ,L=mvr

Using the formula

Angular momentum of person when speed 2v

L'=m(2v)r

[tex]\frac{L'}{L}=\frac{m(2v)r}{mvr}=2[/tex]

[tex]L'=2L[/tex]

Hence, the angular moment of person will be double when the speed of person is double.

Answer:

1 : 2

Step-by-step explanation:

60 is 60 x 1, and 120 is 60 x 2

Answer:

$112.95

Step-by-step explanation:

Use the simple interest formula, I = prt

Plug in the initial amount, interest rate, and number of years

I = prt

I = (1506)(0.025)(3)

I = 112.95

So, the interest created in 3 years is $112.95

Answer:

52 = 8n + 4

4(2n + 1) = 52

4 = 52 – 8n

n = 6

Step-by-step explanation:

52 = 8n + 4

52 - 4 = 8n

48 = 8n

n = 48/8

n = 6

4(2n + 1) = 52

8n + 4 = 52

8n = 52 - 4

8n = 48

n = 48/8

n = 6

4 = 52 – 8n

4 - 52 = -8n

-48 = -8n

n = -48/-8

n = 6

4n = 48

n = 48/4

n =12

n = 6

52 = 8n + 4 is equivalent to 4(2n + 1) = 52 is equivalent to 4 = 52 – 8n is equivalent to n = 6

Answer:

Solve the rational equation by combining expressions and isolating the variable.

x=47.04630109.

Step-by-step explanation:

Answer:

28 pounds of carrots.

Step-by-step explanation:

25+3=28

Answer:

Step-by-step explanation:

Volume = 1/2 a * b*h

So

V= 1/2 (9)(6)(21)= 567 us ^3

The mean age of 5 people in a room is 26 years. A person enters the room. the mean age is now 33 so the age of the person 68 who entered the room.

In statistics, in addition to the mode and median, the mean is one of the measures of central tendency. Simply put, the mean is the average of the values in the given set. It indicates that values in a particular data set are distributed equally. The three most frequently employed measures of central tendency are the mean, median, and mode. The total values provided in a datasheet must be added, and the sum must be divided by the total number of values in order to determine the mean. When all of the values are organized in ascending order, the Median is the median value of the given data. While the number in the list that is repeated a maximum of times is the mode.

So According to the question, the Mean of  5 people in a room =26

When a person enters the room mean age becomes = 33

The sum of their age is = 5*6 =130

when other persons enter the room means the total person becomes =6

and the sum of their age after another person enters the room= [tex]x+130[/tex]

where x is the age of the other person entering the room.

so, mean = 33= (130+x)/6

 then, 130+x=6*33

   And,130+x=198

so,x=198-130  =68

For more information about the mean visit:

https://brainly.com/question/21903586

#SPJ1

Answer: 18.96

Step-by-step explanation:

From the question, Tremaine scored 54 three-point goals, 84 two-point field goals, and 106 free throws. The total point scored will be:

=(54 × 3) + (84 × 2) + (106 × 1)

= 162 + 168 + 106

= 436 points

The number of points scored on average per game will then be:

= 436 / 23

= 18.96 points per game

Answer:

715.5

Step-by-step explanation:

The formula is A=1/2 b*h

so, b*h = 53*27 = 1431

Divide by 2 and the answer is 715.5

Hope this helps :)

Answer:

Step-by-step explanation:

Since there official question included with this, here is both equations and the point at which they equal the same amount.

Let x be every t-shirt printed.

Master Ink: 35+12x

Totally Tee: 55 + 8x

The point of which both equals the same (no matter how many shirts you buy) means that Master Ink = Totally Tee, therefore:

35+12x  = 55+8x               Solve

4x=20

x = 5  

For the cost from both companies to be the same, you can buy 5 shirts. I would recommend Master Ink if you want to buy 5 shirts or less, and Totally Tee, for 5 shirts or more if you want to buy the cheapest offer.

Answer:

2

Step-by-step explanation:

roots are the intercepts at the x axis I believe

I would help but I cannot read it.

Answer:

air conditioning

also, "all clear" on a calculator

Step-by-step explanation:

Answer:

all of them are correct

Step-by-step explanation:

Answer:

90 around the origin

Step-by-step explanation:

Here is the answer