3 years ago

Atul, Bryony and Charlotte share an amount of money in the ratio 4:11:10

Mathematics

1 answer:

Alchen [17]3 years ago

8 0

4 + 11 + 10 = 25.

Assuming Bryony is the middle number, she gets 11/25 fraction of the money.

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Ramon bought two pullovers on a buy one, get one 30%-off offer. Each pullover had a list price of $20. How much did Ramon pay fo

Oksanka [162]

First multiply 20 by .3 (30%)
This will give you a product of 6.
Subtract 6 from 20 (14)
$14 added to $20 is equal to $34
Ramon spent $34 on the pullovers

4 0

3 years ago

Read 2 more answers

Solve using the elimination method:<br> X-3y=7<br> 3x + 3y=9

sergij07 [2.7K]

Answer:

$x=4\\\\y=-1$

Step-by-step explanation:

Given Equation:

$x-3y=7$ Equation:1

$3x + 3y=9$ Equation:2

Dividing Equation:2 by '3' both the sides:

$x+y=3$

or $x=3-y$ Equation:3

Putting the vale of 'x' in Equation:1

$x-3y=7$

$(3-y)-3y=7\\\\3-y-3y=7\\\\3-4y=7\\\\$

Subtracting '3' both sides

$-4y=7-3\\\\-4y=4$

$y=\frac{4}{-4}$

$y=-1$

Putting value of 'y' in Equation:3

$x=3-y$

$x=3-(-1)\\\\x=3+1\\\\x=4$

The solution of the equations is :

$x=4\\\\y=-1$

7 0

4 years ago

Can you please help me

Slav-nsk [51]

Answer:

Step-by-step explanation:

Hi there!

To answer this, we must set it up as

$3x(2x^4-12x^2+7)$

Now we just use the distributive property to solve.

this becomes $6x^5-36x^3+21x$

I hope this helps!

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3 years ago

Solve the world problem. the formula d = rt gives the distance traveled in time t at rate r. if a bicyclist rides for 2.3 hours

Marta_Voda [28]

Hello!

The answer to your question is D. 17.83 because 41 divided by 2.3 is equal to the answer and you are trying to solve for r.

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3 years ago

27 miles per hour. how many miles per minute in decimal form?

maxonik [38]

1 hour = 60 minutes

27/60 = 0.45 miles per minute

7 0

3 years ago