Use the multiplier method to increase £72 by 12%
You must show your working.

Answers

Answer 1

Answer:

£80.62

Step-by-step explanation:

100+12%=112%

112/100= 1.12

1.12*£72 =£80.62


Related Questions

Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 145145 millimeters, and a standard deviation of 77 millimeters. If a random sample of 3131 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 33 millimeters

Answers

Answer:

The probability that the sample mean would differ from the population mean by greater than 33 millimeters is 0.0174

Step-by-step explanation:

[tex]Mean = \mu = 145 mm[/tex]

Standard deviation =[tex]\sigma = 7[/tex]

We are supposed to find the probability that the sample mean would differ from the population mean by greater than 3 millimeters

[tex]P(|x-\mu|>33)=1-P(|x-\mu|<3)\\P(|x-\mu|>33)=1-P(-3<|x-\mu|<3)\\P(|x-\mu|>33)=1-P(\frac{-3}{\frac{\sigma}{\sqrt{n}}}<\frac{|x-\mu|}{\frac{\sigma}{\sqrt{n}}}<\frac{-3}{\frac{\sigma}{\sqrt{n}}})\\P(|x-\mu|>33)=1-P(\frac{-3}{\frac{7}{\sqrt{31}}}<\frac{|x-\mu|}{\frac{\sigma}{\sqrt{n}}}<\frac{-3}{\frac{7}{\sqrt{31}}})\\P(|x-\mu|>33) =1-P(-2.38<z<2.38)\\P(|x-\mu|>33) =1-(P(z<2.38)-P(z<-2.38))\\[/tex]

Using Z table

                   = 1-(0.9913-0.0087)

                  =0.0174

Hence  the probability that the sample mean would differ from the population mean by greater than 33 millimeters is 0.0174

Which of the following is an equation that involves a variable under a radical sign?

Quadratic Equation
Radical Eqaution
Exponential Equation
Linear Equation

Answers

Radical equation i believe would be the answer.

50 points for ever answers

Answers

Uh i think its top left not to sure lel

i think 1st one is the answer

anyone one know how to solve this? you can use any method (x-1)(x^11+x^10+x^9+x^8+x^7+x^6+x^5+x^4+x^3+x^2+x+1)

Answers

Answer:

the answer is x^12-1

steps are in pdf

Which number is the opposite of -3?
3
-3
0

Answers

Answer:

positive 3

Step-by-step explanation:

Answer:

3

Step-by-step explanation: The opposite of -3 is positive 3

Carlos is having a big party. He invited 5 times as many children as adults. He invited 15 adults. Which equation shows how to find the number of children invited to the party?

Answers

Answer:

75 children.

Step-by-step explanation:

If the amount of children is 5 times as many adults, you just need to multiply 15x5.

15x5=75  The number of children invited to the party is 75.

If you wanted this in an algebraic equation, it would look similar to this...

15(5)=x To solve for x, multiply 15 by 5.

75=x

Hope this helps! Have a great day ^^

Which fraction is equivalent to 0.018?
55
2.
111
9
500
17
900
Please help

Answers

Answer:

0.018=9/500 as a fraction

Step-by-step explanation:

the quotient of 9 3/4 and 5/8​

Answers

Answer:

15.6

Step-by-step explanation:

[tex]9\frac{3}{4} = \frac{39}{4}[/tex]  Plug 39/4 in: 39/4 ÷ 5/839/4 ÷ 5/8 = 39/4 × 8/539/4 × 8/5 = 312/20[tex]\frac{312}{20} = 15.6[/tex]  

I hope this helps!

Answer:

15 3/5

Step-by-step explanation:

9 3/4 ÷ 5/8

39/4 ÷ 5/8

39/4 x 8/5

39 x 8 / 4 x 5

312 / 20

312 ÷ 4 / 20 ÷ 4

78/5, or 15 3/5

256=(1/4)3x+2Solve the exponential equation for x.

Answers

Answer:

Exact Form:

x =1016 /3

Decimal Form:

x = 338. ¯ 6

Mixed Number Form:

x = 338  2/3

Step-by-step explanation:

44756 divided by 167

Answers

Answer:

268

Step-by-step explanation:

hope this helps if not im sorry

44756 divided by 167 is 268

=268

20 POINTS WILL MARK BRAINLIEST PLEASE EXPLAIN

Answers

Answer:

DCE is 54°

Step-by-step explanation:

To solve this, we must come up with an equation. Since D, C, and E are each straight lines, they are each 180°. then, each line is separating the other which splits the 180 degree line into two parts. For example, E separates D, C separates E, and so on. The exterior angles are given, but the interior aren't. So:

for angle EDC: 180 - (9x - 31)

for angle CED: 180 - (4x + 33)

for angle DCE: 180 - (7x - 2)

we know that all angles in a triangle add up to 180°. So, our equation is:

180 - (9x - 31) + 180 - (4x + 33) + 180 - (7x - 2)=180.

simplify:

180 - 9x + 31 + 180 - 4x - 33 + 180 - 7x + 2=180

540 - 20x = 180

540 - 180 = 20x

360=20x

x= 18

for angle EDC: 180 - (9•18 - 31)=49°

for angle CED: 180 - (4•18 + 33)=75°

for angle DCE: 180 - (7•18 - 2)=54°

Tami takes the MCAT because she plans to apply to Medical School, and Vu takes the LSAT because he plans to apply to Law School. Scores on the MCAT follow a Normal distribution with a mean of 505.6 points and a standard deviation of 9.3 points. Scores on the LSAT follow a Normal distribution with a mean of 150.7 points and a standard deviation of 10.2 points. If Tami earns 524.2 points on the MCAT and Vu earns 171.1 points on the LSAT, who performed better on their respective test?

a. Tami
b. Vu
c. Both Tami and Vu performed equally well.
d. It's impossible to compare scores on two totally different tests, so this question cannot be answered.

Answers

Answer:

c. Both Tami and Vu performed equally well.

Step-by-step explanation:

To solve this question, we use z score

The formula for calculating a z-score is is z = (x-μ)/σ

where x is the raw score

μ is the population mean

σ is the population standard deviation.

a) For Tami , who took MCAT

We are told:

Scores on the MCAT follow a Normal distribution with a mean of 505.6 points and a standard deviation of 9.3 points.. If Tami earns 524.2 points on the MCAT.

x = 524.2 points

μ = 505.6 points

σ = 9.3 points

z = 524.2 - 505.6/9.3

= 2

The z score for Tami is 2

For Vu, who took LSAT

We were told:

Scores on the LSAT follow a Normal distribution with a mean of 150.7 points and a standard deviation of 10.2 points. Vu earns 171.1 points on the LSAT.

x = 171.1 points

μ = 150.7 points

σ = 10.2 points

z = 171.1 - 150.7/10.2

z = 2

The z score for Vu is also equal to 2

Therefore, we can say the bout Tami and Vu performed equally well.

Option c is the correct answer.

What is the inverse of f(x) =1/3x+2

Answers

I believe the answer is

f(x)=3x -6

Hope this helped.

HELP ASAP !!!! WILL MARK BRANLIEST !

A group of students is investigating whether wheels affect the force of friction. The students push two boxes each with the same force on a table. One box has wheels and the other does not have wheels. The distance traveled by each box is shown.


Experimental Observations
Student 1 Student 2 Student 3 Student 4
Distance traveled by box with wheels 24 cm 22 cm 20 cm 23 cm
Distance traveled by box without wheels 12 cm 14 cm 15 cm 13 cm


Which step should the students take next?
Make a hypothesis
Test another variable
Analyze the results
Share their conclusion

Answers

Answer: Yes wheels affect the force, with wheels it moves longer and faster without wheels it doesn't move as much and doesn't go fast.

So they should; Share their conclusion

Step-by-step explanation: This really ez

What is this answer it says it’s wrong

Answers

Answer:

[tex]-10x^3y^2+5x^2y^3-2x^3+7y^2[/tex]

Answer: tex.z-dn.net/?f=-10x%5E3y%5E2%2B5x%5E2y%5E3-2x%5E3%2B7y%5E2

Step-by-step explanation: Hope this helps. Have a good night ma´ám/sir. Be safe!

Identify the following series as arithmetic, geometric, both, or neither. ​

Answers

I think that is arithmetic i not totally sure

Answer:

arithmetic

Step-by-step explanation: Hope this helps :)

After losing 3 baseball cards, Peter gave half of his remaining cards to Bobby. If Peter gave Bobby 9 baseball cards, how many cards did Peter start with?

Linear equation:
1
2
(x - 3) = 9

Answers

Peter started with 21 cards
( also your bottom formula is wrong it should be 1/2(x-3)=9)

In the cafeteria, 100 milk cartons were put out for breakfast. After breakfast there were 40 milk cartons left. What is the ratio of milk cartons taken to total milk cartons put out for breakfast.

Answers

Answer:

3:5

Step-by-step explanation:

There were 100 milk cartons there and someone took 100-x=40.  Add 100 on both sides 40-100=-60 so 60 milk cartons were taken.  So the ratio would be 60:100, which can be simplified further 30:50 15:25 3:5.

Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), and Radon (Rn) have a completely filled outer electron shell and are therefore called inert gases. What do the inert gases have in common?

1.They behave similarly in chemical reactions
2.They have the same number of protons
3.They have the same number of electrons
4.They belong to the same period

Answers

Answer:

The answer would be 1.

Answer:

They behave similarly in chemical reactions

Step-by-step explanation:

Because their atomic numbers are different, the elements each have a different number of protons and electrons. They belong to the same group, not the same period.

Solve the inequality.
6t+7≥25

Answers

Subtract 7 from both sides. You get 6t is greater than or equal to 25. Divide both by 6. You get t is greater than or equal to 4.166666667. Which is 4 and 2/3.
4 2/3 is the correct answer

Lydia made $56,750 last year. She paid $1200 in student loan interest and
made a $3000 contribution to her IRA. On her federal tax return, she will claim
$52,550 to be her

A. taxable income
B. standard deduction
C. gross income
D. AGI

Answers

Answer:

Its AGI

Step-by-step explanation:

Source(s): dude, trust me

Calculating the right recipe for Jerome 22 people are running in tomorrow’s world racing drone thinks they will each want to cups of energy drink how much water and how much drink make sure Jerome used to make enough energy drink for all the runners create a table and show your work and explain in writing your results

Answers

Answer:

you need to provide more information lol

Step-by-step explanation:

e

Multiply 11.3 x 4.16

Answers

Answer:

47.008

Step-by-step explanation:

If the discriminant of a quadratic equation is equal to Negative 8, which statement describes the roots?
There are two complex roots.
There are two real roots.
There is one real root.
There is one complex root.

Answers

Answer:

A. There are two complex roots

Step-by-step explanation:

Just took the test

If the discriminant of a quadratic equation is equal to Negative 8, there are two complex roots.

Discriminant of quadratic equation

The discriminant of a quadratic equation is given as;

[tex]b^2 - 4ac>0 \ \ ( 2 \ solutions; 1 \ positive \ and \ 1 \ negative\ solution)\\\\b^2 -4ac = 0 \ \ (1 \ real \ solution)\\\\b^2 - 4ac \ < 0 \ \ (complex \ root, \ no \ solution)[/tex]

A discriminant of negative 8 falls with last category in the solution above.

[tex]b^2 - 4ac <0 \ \ (eg \ -8),[/tex]

[tex]x = +/-\sqrt{-8} \\\\x = \sqrt{-8 } \ \ or \ \ -\sqrt{-8} \ \ \ \ \ (2 \ complex \ roots)[/tex]

Thus, if the discriminant of a quadratic equation is equal to Negative 8, there are two complex roots.

Learn more about discriminant of quadratic equation here: https://brainly.com/question/4318614

what is the expanded form of 5.629

Answers

Answer:

5  

+   0.6

+   0.02

+   0.009

Step-by-step explanation:

5 × 1  

+ 6 ×   0.1

+ 2 ×   0.01

+ 9 ×   0.001

5 × 100

+ 6 × 10-1

+ 2 × 10-2

+ 9 × 10-3

 

all of them are correct

3 new tires for $210; 4 new tires for $250

Answers

Answer:

3 new tires for $210; 4 new tires for $250

Step-by-step explanation:

Your new tires for 210 and four new tires for 250

BRAINLIEST TO FIRST PERSON WHO IS CORRECT

Answers

Answer:

11 1/4

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

I need some help? I don't understand math at all.

Answers

Answer:

I think its 4 but not 100% sure.

264-10=16+52

Add 10 to both sides

264=16+62

subtract 16 from both sides

248=62

Divide and i got 4.

They will have the same amount after 4 weeks. We want the $$ to be equal so we write and equation that fits the information and put them to equal each other. After that it goes into the calculator. Hope this helps!!

The present age of ken and tammy are in the ratio of 2:5. In 6 years from now the ages will be in the ratio of 4:7. What are their present ages?

Answers

Answer:

Step-by-step explanation:

k=2

t=5

2+6=4   6=2  1=3

2=6

5=15

Now their ages are 6:15

What is the remainder of 2x3 − 7x2 + 5x − 1 divided by (x − 3)?

−211
5
−133
2

Answers

By the remainder theorem, the remainder upon dividing p(x) = 2x³ - 7x² + 5x - 1 by x - 3 is p(3),

p(3) = 2(3)³ - 7(3)² + 5(3) - 1 = 5

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