Will and Ben win £1000 in a raffle
they give a fifth of it to charity and share what's left in the ratio 1:3.
How much is bens share

Answers

Answer 1

Answer:

600

Step-by-step explanation:

Answer 2

Answer:

£600

Step-by-step explanation:

1/5 of 1000= £200

that means £800 is left over

1:3= 200:600

ben gets £600, will gets £200


Related Questions



In a secondary school there are 40 classes altogether.
8 of the classes are Year 7 classes.
What fraction of the classes in the school are Year 7?
Give your answer in its simplest form.

Answers

So it would be 8/40. And in its simplest terms would be 1/5

Which set of ordered pairs represent y as a function of x?
a) {(-5,3) (6,2) (8,-9) (-5,4)}
b) {(9,4) (8,4) (9,5) (8,5)}
c) {(6,8) (7,8) (8,8) (9,9)}
d) {(-7,4) (-7,5) (-7,10) (-7,6)}

Answers

Answer:

The quadratic equations and their solutions are;

9 ± √33 /4 = 2x² - 9x + 6.

4 ± √6 /2 = 2x² - 8x + 5.

9 ± √89 /4 = 2x² - 9x - 1.

4 ± √22 /2 = 2x² - 8x - 3.

Explanation:

Any quadratic equation of the form, ax² + bx + c = 0 can be solved using the formula x = -b ± √b² - 4ac / 2a. Here a, b, and c are the coefficients of the x², x, and the numeric term respectively.

We have to solve all of the five equations to be able to match the equations with their solutions.

2x² - 8x + 5, here a = 2, b = -8, c = 5.                                                  x = -b ± √b² - 4ac / 2a = -(-8) ± √(-8)² - 4(2)(5) / 2(2) = 8 ± √64 - 40/4.     24 can also be written as 4 × 6 and √4 = 2. So                                                                                     x = 8 ± 2√6 / 2×2= 4±√6/2.

2x² - 10x + 3, here a = 2, b = -10, c = 3.                                                   x =-b ± √b² - 4ac / 2a =-(-10) ± √(-10)² - 4(2)(3) / 2(4) = 10 ± √100 + 24/4. 124 can also be written as 4 × 31 and √4 = 2. So                                                                              x = 10 ± 2√31 / 2×2 = 5 ± √31 /2.

2x² - 8x - 3, here a = 2, b = -8, c = -3.                                                    x = -b ± √b² - 4ac / 2a = -(-8) ± √(-8)² - 4(2)(-3) / 2(2) = 8 ± √64 + 24/4.     88 can also be written as 4 × 22 and √4 = 2. So                                                                             x = 8 ± 2√22 / 2×2 = 4± √22/2.

2x² - 9x - 1, here a = 2, b = -9, c = -1.                                                     x = -b ± √b² - 4ac / 2a = -(-9) ± √(-9)² - 4(2)(-1) / 2(2) = 9 ± √81 + 8/4.                                          x = 9 ± √89 / 4.

2x² - 9x + 6, here a = 2, b = -9, c = 6.                                                    x = -b ± √b² - 4ac / 2a = -(-9) ± √(-9)² - 4(2)(6) / 2(2) = 9 ± √81 - 48/4.                                                                             x = 9 ± √33 / 4 .

Step-by-step explanation:

Answer with Explanation:

To qualify as a function, each x value may not have more than 1 Y value.

This rules out A, B, and D.

The answer is C.

Why is A incorrect? -5 (the x value) has more than one y value so it is wrong.

Why is B incorrect? 9 (the x value) has more than one y value so it is wrong.

Why is D incorrect? -7 (the x value) has more than one y value so it is wrong.

You can also use the vertical line test to graph these pairs. Then, test by drawing a vertical line through the graph. If the vertical line goes through more than 1 pair, it is not a function.

Hi :)))))))))))))))))

Answers

Answer:

Answer:

Step-by-step explanation:

Hello!

Have a great day!

value of x
plz answer correctly

Answers

Answer:

it is 80°

cause it is coming from the same cord AB

O and C will be same

Answer:

x = 40

Step-by-step explanation:

x = 80÷2 = 40

Central angle theorem

What is the degree of 4x^3 + 2x^2 + 3x -1 *


Answers

Answer:

Hello, and welcome to brainly im gonna be your personal assistant for today your awnser to this question is easy here it is 1.

The degree is 4

2. x^3 - 4x =0

3. x-1/2=0        x-2/3=0

Step-by-step explanation:

I appreciate if y’all help me ^^

Answers

Answer:

24 ft²

Step-by-step explanation:

The formula to solve for area of a triangle is: [tex]\frac{1}{2} bh[/tex]. First multiply the base x height: 12 x 4 = 48. Now multiply by 1/2: 48 x 1/2 = 24. Your answer is 24 ft².

Hope it helps and is correct!

Express the ratio below in its simplest form
1/2 : 1/3​

Answers

Answer:

3 : 2

Step-by-step explanation:

Given

[tex]\frac{1}{2}[/tex] : [tex]\frac{1}{3}[/tex] ( multiply both parts of the ratio by 6 , the LCM, of 2 and 3 )

= 3 : 2

1/2:1/3

multiply the first fraction by the inverse of the second

1/2×3/2=3/2

the answer is 3:2

I need help!! please help

Answers

Answer:21

Step-by-step explanation:

Kate is painting a ceramic paperweight shaped like a rectangular prism, as shown here. She wants to find the surface area of the paperweight so she can determine how much paint she needs.
The area of one of the bases is .
The area of each lateral rectangular face is .
The surface area of the paperweight is .

Answers

Answer:

area of one of the basses is 1.44 square feet

area of each lateral rectangular face is 0.96 square feet

SURFACE AREA OF THE PAPERWEIGHT IS 6.72 square feet.

Step-by-step explanation:

Answer:

The other person is 100% right! Give them brainliest :)

Step-by-step explanation:

Linear or non linear?

Answers

The answer is non linear

Answer:

nonlinear

Step-by-step explanation:

Every year, the value of a car decreases by 15% of its value in the previous year. If the value of the car was $86,700 in 2012, find its value in 2010.

Answers

Answer:

$112,710

Step-by-step explanation:

so first we have to find what is 15% of 86700

so 15/100×86700=$13005

so it is written that 86700 is in 2012 means 2010 it will be

2 times more which means 30% that means just have to do is multiply it two times which makes it $26010

so $86700+$26010=$112710

hope it helps you

please mark me as brainlist

Help pls, answer choices listed!

Answers

Answer:

C

Step-by-step explanation:

Brainliest please

my hair is so curly lol

Answers

That is very nice. The answer is c

Answer:

You're a beauty! (I'm a girl so don't take it personally) Your hair is really curly!

Step-by-step explanation:

Simplify( (-4/5)^-2)^2

Answers

( (-⁴/₅)-² )²

=
( (⁵/₄)² )²

= ( (5²/4²) )²

= (²⁵/₁₆)²

25²
-------
16²

=
625
------- = 2.44141
256

A function has cheating x's.
True
False

Answers

True
Hope this helps
Have a wonderful day or night

Find the missing sides and leave answers as radicals in simplest form!! I need help

Answers

Answer:

21\deg 17'34"

Step-by-step explanation:

21\deg 17'34" i thin k

Please help due in 19 minutes

Answers

Answer:

42 yd

Step-by-step explanation:

Formula for the area of a rhombus is the length times the width, all divided by 2. A is given as 26, and the total is 546, so the equation is set up like this:

[tex]\frac{26d}{2} =546[/tex]

(Solving for d)

First, multiply both sides by 2 to get:

26d = 1,092

Then, divide both sides by 26 to isolate the variable d:

d = 42

2x + 3y = 23
-x+10y = 46

Answers

Answer:

x=4 y=5

Step-by-step explanation:

how many ml in 0.006​

Answers

Answer:

6ml

Step-by-step explanation:

Answer:

if 0.006 l= 6ml

Step-by-step explanation:

What is the area of a triangle with a base of 24 inches and a height of 8 inches? Remember the formula to find the area of a triangle is 1/2bh (1/2 x b x h). Also, remember how to label your answer!

Answers

Answer:

96inches

Step-by-step explanation:

24*8=192

192/2=96

Megan ran 1 3/4 miles. What is this as an improper fraction?​

Answers

Answer:

Yes it is improper fraction

The outside temperature at midnight today in Polina’s hometown was 18 degrees Fahrenheit. The temperature increases by 1.2 degrees Fahrenheit each hour over the next 15 hours. Polina’s school does not send students outside for recess if the outside temperature is 32 degrees Fahrenheit or lower. Recess at her school always starts on the half hour or hour. Which statement is true about recess at Polina’s school?

Answers

Answer:

Just read and study on you lesson/book and take notes

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

What is the average of 4 1/2, 3 1/3, 2 , 2 1/6

Answers

Answer:

3

Step-by-step explanation:

To find the average add all these numbers together, then divide by how many numbers you have.

[tex]4\frac{1}{2} +3\frac{1}{3} +2+2\frac{1}{6} =12[/tex]

[tex]\frac{12}{4} =3[/tex]

[tex]Answer: 3[/tex]

Aaliyah puts 42 gal of water into her
fish tank. This is 60% of the total
number of gallons the fish tank can
hold.

Answers

Answer:

the total is 70 gallons

hope this helped :)

Step-by-step explanation:

Please help me!!! I need soooo much help

Answers

Answer: option 3

Step-by-step explanation:

Help me! giving brainliest and lots o' points!

Answers

Answer:

2. $76.5

3. $10.12

Step-by-step explanation:

2. 110 × .35 = 38.5

110 - 38.5 = 71.5

71.5 × 1.07 = 76.50

3. 9 × 1.04 = 9.36

9.36 × 1.04 = 9.73

9.73 × 1.04 = 10.12

good luck, i hope this helps :)

2)76.5     110*0.35= 38.5,   110-38.5=71.5*0.07=5.005 or 5,  71.5+5=76.5

3)10.12    y1:9.36, y2:9.73, y3:10.12

4)28 minutes   32*0.08=2.56, 32-2.56=29.44*0.05=1.472, 29.44-11.472=27.968

5)$84   875*0.2=175,    875+175=1050*0.08=84

6)$467.04  562*0.2=112.4, 562-112.4= 449.6*0.06=26.976+449.6=

476.576*0.02=9.53152, 476.576-9.53152=476.04

7)store A, $12.24 a)612*0.3=183.6, 612-183.6=428.4

       b)612*0.2=122.4, 612-122.4=489.6*0.1=48.96 489.60-48.96=440.64

          440.64-428.4=12.24

8)$37.51  tip:32.57*0.18=5.86

   32.57*0.1=3.26,  32.57-3.26=29.31*0.08=2.34, 29.31+2.34+5.86=37.51

9) going of $100 as the price the overall 25% discount to get a final price of $75 would be of a better value, because when you calculate the other 2 options you get the same answer of $76.5.

Cari simplifies the expression (5 + 4) 2− 5 × 2. Part A Cari shows her work on the board. Use numbers and words to explain her mistake. (5 + 4) 2− 5 × 2 (5 + 16) − 5 × 2 21 − 5 × 2 16 × 2 32

Answers

Answer:Please see explanation for answer.

Step-by-step explanation:

Simplifying the expression

5 + 4) 2− 5 × 2

Carl's method

(5 + 4) 2− 5 × 2 -----first error was taking only 4 from the bracket and squaring it.

Instead of solving the bracket as a whole before solving outside. And once she got it wrong from the start, every other solving would be wrong

(5 + 16) − 5 × 2

21 − 5 × 2

16 × 2

32

The right method

In simplifying the expression, we must bring in Mind our Bodmas

Which means we tackle Brackets before division, then multiplication , then addition and lastly subtraction.

(5 + 4) 2− 5 × 2

Solving the bracket first we have

(9)2-5x2

Since there is no division, we move to multiplication and we can see two sites for multiplication(9 x 2 and 5x2)

18-10

Subtracting will give us 8 as our answer.

75.854 expanded form

Answers

Answer:

70+5+0.8+0.05+0.004

Step-by-step explanation:

This is how you would write this in expanded form
70+5+0.8+0.05+0.004

2) Find the number that makes the ratio equivalent to 1:4.3:
2 points
4
3
оооо
12
16

Answers

9514 1404 393

Answer:

  12

Step-by-step explanation:

Maybe you want the equivalence ...

  1 : 4 = 3 : 12

(Multiply both reduced ratio numbers by 3.)

Last year Emily invested some money and had gained 8% profit and her friend, Samira invested some money and gained 9% profit. Their total profit on the two investments was $1720. This year they each decided to invest the same amount of money as last year. Emily gained 7% profit this year and Samira gained 6%. If they receive a total profit of $1280, how much money did Emily invest? Answer.

Answers

Answer:

Emily's investment = $8,000

Step-by-step explanation:

Let Emily's invested amount = x

Let Samira's amount = y

8% of Emily's amount = 8/100 × x = 0.08x

9% of Samira's amount = 9/100 of y = 0.09y

∴ 0.08x + 0.09y = 1720

multiplying through by 100

8x + 9y = 172000 - - - - - (1)

7% of Emily's amount = 0.07x

6% 0f Samira's amount = 0.06y

0.07x + 0.06x = 1280

multiplying through by 100

7x + 6y = 128000 - - - - - - (2)

Next, let us subtract eqn 2 from eqn 1

equation (1) - equation 2

    8x + 9y = 172000

-

    7x + 6y = 128000

=     x + 3y = 44000 - - - - (3)

from eqn (3) x = 44000 - 3y - - - - - (4)

putting this value of x into eqn 1

8x + 9y = 172000

8 (44000 - 3y) + 9y = 172000

352000 - 24y + 9y = 172000

-15y = 172000 - 352000 = -180000

y = 180000 ÷ 15

y = $12,000

finding x using eqn (4)

x = 44000 - 3y

x = 44000 - 3(12000)

x = 44000 - 36000

x = $8,000

∴ Emily's investment = $8,000

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