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olga2289 [7]
3 years ago
5

1) Two numbers are in the ratio 5: 6. If 8 is added to each of the numbers, they will be in the ratio 7: 8. Find the numbers.

Mathematics
1 answer:
Mashutka [201]3 years ago
7 0

Answer:

(the answer to 1 is20:24) (and 2 is 51)

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-x+6is the same as -(x-6) how do I know? Pls help
Verdich [7]
The x becomes negative because the negative sign at the start of the parenthesis distributes to everything inside parenthesis so x becomes -x and the double negative becomes +6 so that is why
4 0
3 years ago
Ryan has 25 tiles and 12% of them are green. how many tiles are green
Lady_Fox [76]

Answer:

208.33. this is it your welcome

6 0
3 years ago
Simplify 7x²-x²<br> how to simplify this maths question
kondaur [170]

Hi student, let me help you out! :)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . .  . . . . . . . . . . . . . . . . . . . . . . .

We are asked to simplify the expression \large\pmb{7x^2-x^2}.

\triangle~\fbox{\bf{KEY:}}

  • Combine like terms! :)

That's exactly what we need to do - combine like terms.

So, we subtract:

\star~\large\pmb{7x^2-x^2}

Which gives us:

\star~\large\pmb{6x^2}

Hope it helps you out! :D

Ask in comments if any queries arise.

#StudyWithBrainly

~Just a smiley person helping fellow students :)

6 0
1 year ago
The equation below represents the trend line of a scatter plot showing the hours spent studying versus science test scores.
navik [9.2K]

Answer:

On the science test  the point  ( 0 , 424 ) the intercepts is bigger

Step-by-step explanation:

The relation hours spend vs science test score is

y  =  6.5*x  + 424

And the relation hours spend vs Maths test score is

y  =  7.2*x   + 34.7

Making   x =  0  ( student does not study at all ) we get:

For science score test woul be

y  =  0  + 424

In case of maths

y  =  0  + 34.7

That mean student without studying will get better score in science.

The point  ( 0 , 424)   ( science ) represents the interception with y axis

in Maths case such point is  ( 0 . 34.7)

7 0
3 years ago
Read 2 more answers
Describe a situation you’re familiar with where one quantity changes constantly in relation to another
Crank

Answer:

One such situation is the amount of money in excess you paid for an item and the amount of change you will get. Another such scenario would be the total numbers of hours with respect to the total number of days. With more days, there will be more time hence more hours.

Step-by-step explanation:

8 0
3 years ago
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