15% of the students in the class
did not complete their homework. If there
are 20 students in the class, how many didn't do their homework?

Answers

Answer 1

Answer:

3

Step-by-step explanation:

15% of 20 Is 3.


Related Questions

the number of employees for a certain company has been decreasing each year by 5%. if the company has 540 employees and this rate continues, find the number of employees in 13 years.

Answers

Answer:

Step-by-step explanation:

540

1=513

2=487.35

3=462.9825

4=

5=

6=

7=

8=

9=

10=

11=

12=

13=

3. A ladder leaning against a wall
makes an angle of 68° with the
ground. If the foot of the ladder is 4
feet from the wall, how high on the
wall is the ladder, to the nearest
tenth of a foot?

Answers

Answer:

tangent 68° = opposite / adjacent

opposite (wall height) = tan (68) * 4 feet

opposite (wall height) = 2.4751 * 4 feet

opposite (wall height) = 9.9004 feet or

9.9 feet (to the nearest tenth of a foot).

Step-by-step explanation:

A pair of eyeglasses cost $347.89. The frames of the glasses are $97.86. How much do the lenses of the eyeglasses cost.

Answers

Answer:

$250.03

Step-by-step explanation:

cost of lenses = total cost - cost of frames

cost of lenses = $347.89 -  $97.86

cost of lenses = $250.03

Stealth Bank has deposits of $700 million. It holds reserves of $70 million and has purchased government bonds worth $215 million. The bank's loans have a market value of $490 million. What does Stealth Bank's net worth, or equity capital, equal?

Answers

Answer:

$75 million

Step-by-step explanation:

Given that:

Reserve value = $70 million

Purchased government bond = 215 million

Market value of loan = $490 million

Net worth :

Assets - liability

Assets = (Market value of loan + purchased government bond + reserve value)

(490 million + 215 million + 70 million)

275 million + 70 million

= $775 million

Liability = Deposits = $700 million

Net worth = ($775 - $700) million

Net worth = $75 million

Can someone help me simplify this!!!

Answers

Answer:

The answer is in the picture i put, its an equation so 8 can't write it

Hii Help me pls :))))

Answers

Answer:

B

Step-by-step explanation:

A: 3+5<=8

C: 9+9<19

D: 5+4<10

PLS GIVE BRAINLIEST

Answer:

Perhaps option B

Step-by-step explanation:

How many arrays are in 42

Answers

Answer:

4 (or eight if you count transposed arrays as being different).

Step-by-step explanation:

1. Matthew decided that he would like to spend his summer working and saving his money. He begins the summer with no money in his account, but he is getting paid $160.00 per week to mow lawns. His brother Dillon began the summer with $345.00 and has decided that he will referee soccer games. He will make $45.00 per week. After how many weeks will Matthew and Dillon have the same amount of money?​

Answers

the anwer is no matthew will not have the same amount of money

Answer: 3 weeks.

Step-by-step explanation: Matthew's pay goes up by $160 a week, so that's y=160x.

Dillon's pay is $45 a week, but started out with $345. So, that's y=45x+345.

So, they will have the same amount of money after 3 weeks.

Can someone please explain how to do these? I forgot how go

Answers

Use Cosine, Adjacent/hypotenuse.

The cos=0.6

Angle is 53.13°

Is it possible to improve your grade from a "d" to a "b"?​

Answers

Answer: Of course it is possible if you try your hardest and study

Answer:

Depends

Step-by-step explanation:

Hello! This problem really depends on where you are in the grading period and how many grades are entered in relation to your grade. If you have a D but only have 2 grades then getting a B in the class should be relatively easy. However, if you have a D in a class that you have 15 graded assignments in it will be much harder to raise your grade to a B. Best thing to do is work at this early and try not to let your grade dip throughout the grading semester.

Hope this helps!

-HM

There are 7 students in a class: 5 boys and 2 girls.
If the teacher picks a group of 3 at random, what is the probability that everyone in the group is a boy?

Answers

3/7 is the answer for this question

Solve the equation. 10 - 6v = -104

Answers

Answer:

X=19

Step-by-step explanation:

10-6v=-104

-6v=-114

v=19

Answer:

Hey lindsey its me from the other question

Step-by-step explanation:

V=19

hope that helps

Nicole is making a cake that uses 3/4 cup of flour and 1 and 1/8 teaspoons if nicole uses 1 cup of flour how much salt would she need

Answers

Answer:

1.5 teaspoons

Step-by-step explanation:

1/(3/4)

=4/3

9/8*4/3

=1.5 teaspoons

PLS GIVE BRAINLIEST

What slope would make the lines
parallel?
y = 5x + 2
y = [?]x + 3

Answers

Answer:

5

General Formulas and Concepts:

Algebra I

Parallel lines have the same slope

Slope-Intercept Form: y = mx + b

m - slope b - y-intercept

Step-by-step explanation:

Parallel lines have the same slope but different y-intercepts.

Our given slope is 5. Therefore, our parallel slope is also 5.

What role do animals have in the carbon cycle?

Group of answer choices


use water and release oxygen


use sugar and release carbon


use carbon and release oxygen


use carbon and release nitrogen

Answers

Answer:

use sugar and release carbon

Step-by-step explanation:

Animals they eat and then release carbon through respiration. Nitrogen is only in the nitrogen cycle, and the only living organisms that can release oxygen are plants because humans and animals cannot photosynthesize. LOL!

can i get some help with this?

Answers

The area is x+2 times x-2
The perimeter is x plus 2 plus x plus 2 plus x-2 plus x-2.

Turn these numbers into decimals

1. 4/12 2. 89/100 3.7/9 pls i need help

Answers

Answer:

.333   .89   .778

Step-by-step explanation:

1. 4 divided by 12 = .333

2. 89/100= .89

3. 7/9 = .778

Answer:

1. 0.333 repeated

2. 0.89

3. 0.777 repeated

Step-by-step explanation:

You just divide 4 by 12 or 7 by 9

Also, just a tip, if you have a number over 100 like 89/100 0.89 would be the decimal, for example 26/100 would be 0.26

A certain fraction has the value 3/4. If its numerator is decreased by 7 and its denominator is increase by 4, the resulting fraction has the value 1/2. Find the original fraction​

Answers

27/36 give me brainliest plz

Answer:

n = 16 - 7

n = 9

Step-by-step explanation:

If the numerator of a fraction is increased by 3, the fraction becomes 3/4."

Cross multiply

4(n+3) = 3d

4n + 12 = 3d

"If the denominator is decreased by 7, the fraction becomes 1."

Cross multiply

1n = d - 7

n = (d-7)

In the 1st equation replace n with d-7

4(d-7) + 12 = 3d

4d - 28 + 12 = 3d

4d - 3d - 16 = 0

d = 16 is the denominator

then n = 16 - 7

n = 9

9/16 =  the original equation

how many millimeters are in 5,056 feet

Answers

Answer:

1541069

Step-by-step explanation:

there are 304.8 mm in one ft so you multiply 304.8 by 5,056 to understand your solution

There are (3^2)4 ⋅ 30 bacteria in a petri dish. What is the total number of bacteria in the dish?

38
39
311
324

Answers

Answer:

The total number of bacteria in the dish is 1080

Step-by-step explanation:

(3^2)4*30

3*3=9

9*4*30

9*4=36

36*30=1080

Answer:

6561 = 3^8

Step-by-step explanation:

i got it right

Find x ÷ y, if x = 3 and y = 3 . Express your answer in simplest form.

Answers

Answer:

1

Step-by-step explanation:

3/3=1

At the beginning of every gym class, Mr. Gordon leads the class in a warm-up. In today’s warm-up, the class does jumping jacks for 3 minute. Erin does 54 jumping jacks in that time. Mr. Gordon says the class will do jumping jacks 4 minutes tomorrow. If Erin does jumping jacks at the same rate tomorrow, how many will she she do.

Answers

Answer:

Erin will do 72 jumping jacks.

Step-by-step explanation:

We divide 54 by 3 to get Erin's per minute ratio

She gets 18 jumping jacks per minute

We then add that to 54 to get her rate if she did for 4 minutes instead

The answer is 72

hope this helped!

Erin will do 72 jumping jacks in 4 minutes.

What is a Ratio?

A ratio indicates the number of times one number contains another.

Given that, Erin does 54 jumping jacks in 3 minutes.

Therefore, mathematically:

3 minutes = 54 jumping jacks

1 minute = 18 jumping jacks

4 minutes = 72 jumping jacks

Hence, Erin will do 72 jumping jacks in 4 minutes.

To learn more about ratios, click here:

https://brainly.com/question/13419413

#SPJ5

Pleas help I’m almost appreciate it I’m almost done.

Answers

Answer:

x = 2

RS = 20

ST = 20

RT = 5

Step-by-step explanation:

X=2
RS= 20
ST= 20
RT= 5
Just put RS = RT

a small airplane flies 1 015miles with an average speed of 290 mph. 1.75 hours after the plane leaves, a Boeing 747 leaves from the same point. Both planes arrive at the same time; what was the average speed of Boeing 747?

Answers

Answer:

The Boeing 747 had an average speed of 580 mph.

Step-by-step explanation:

Constant speed motion

An object is said to travel at constant speed if the ratio of the distance traveled by the time taken is constant.

Expressed in a simple equation, we have:

[tex]\displaystyle v=\frac{d}{t}[/tex]

Where

v = Speed of the object

d = Distance traveled

t = Time taken to travel d.

From the equation above, we can solve for d:

d = v . t

And we can also solve it for t:

[tex]\displaystyle t=\frac{d}{v}[/tex]

The small airplane travels 1015 miles at a constant speed of v=290 miles/hour. The time it took to arrive its destiny was:

[tex]\displaystyle t=\frac{1015}{290}[/tex]

t = 3.5 hours

The Boeing 747 left from the same point 1.75 hours after the small plane and traveled the same distance. It needed a time t' = 3.5 - 1.75 = 1.75 hours,  thus its speed must have been:

[tex]\displaystyle v=\frac{1015}{1.75}=580[/tex]

The Boeing 747 had an average speed of 580 mph.

Suppose a,b,c represent three positive whole numbers. if a+b=13 and b+c=22 and a+c=19 what is the value of c

Answers

Answer: C = 14

Step-by-step explanation: You can assume the A is less than B, and if you just go down in numbers such as A=6 and B=7 (To solve A + B = 13), you will eventually get to A=5 and B=8. If you do B = 8 + C = 14 ( That you get after subtracting 8 by 22 ) You should get 22, and to proof check it, you do A + C which is going to be 5 + 14 and you get 19 thus proving that C = 14.

hellllppppp please ​

Answers

Answer:

1. a

2. b...............

8) Eugene borrows $250 at a 4% annual interest rate. If he does not
make any payments, how much simple interest will he owe in 18 months?
A) $10
B) $15
C) $18
D) $20

Answers

Answer:

The simplest interest will be $15 ⇒ B

Step-by-step explanation:

The rule of the simple interest is I = Prt, where

P is the initial amountr is the rate in decimalt is the time

∵ Eugene borrows $250 at a 4% annual interest rate

P = 250

r = 4% = 4 ÷ 100 = 0.04

∵ The time is 18 months

→ Change the time to year because the rate is annual

∵ 1 year = 12 months

t = 18 ÷ 12 = 1.5 years

→ Substitute the values of P, r, and t in the rule above to find the interest

∵ I = 250 × 0.04 × 1.5

I = 15

The simplest interest will be $15

what is one thousandth less than 0.061

Answers

Answer:

0.06

Step-by-step explanation:

0.061 - 0.001 = 0.060 = 0.06

Can anyine kindly help please?​

Answers

Answer:

i think it might be C

Step-by-step explanation:

g(10)
what does it equal to?​

Answers

Answer:

it equals -29

Step-by-step explanation:

hope this helps

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