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frosja888 [35]
3 years ago
13

How you express A fifth of books in my collection and two thirds of the books in my father's collection make 250 books​

Mathematics
1 answer:
sweet [91]3 years ago
4 0

Answer:

Step-by-step explanation:

Let collections of my books=x

collection of books in my father =y

\frac{x}{5} +\frac{2}{3}y=250

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You invest 900 in an account that pays a interest rate 05 5.5% , compunded countinuously.
podryga [215]
$<span>1,241 is my answer. I used a calculator for interest, so I'm sure this is the correct answer. Rounding it to the nearest hundredth I suppose it would be $1,200. I'm not good at rounding, but I hope this has helped you some.</span>
4 0
3 years ago
The length of the rectangle is 4cm more than it's width.if the perimeter is 20cm. find the width​
oksian1 [2.3K]

Answer:

  3 cm

Step-by-step explanation:

The given relation between length and width can be used in the perimeter formula to find the width.

__

Let w represent the width of the rectangle in centimeters. The length is 4 cm more, so can be represented by (w+4). Using these values and the given perimeter in the perimeter formula, we find ...

  P = 2(L +W) . . . . . perimeter formula

  20 = 2((w +4) +w) . . . . known values substituted

  10 = 2w +4 . . . . . . . . divide by 2, collect terms

  6 = 2w . . . . . . . . . subtract 4

  3 = w . . . . . . . . divide by 2

The width of the rectangle is 3 cm.

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<em>Additional comment</em>

The length is 7 cm.

8 0
3 years ago
Pls help urgently extra points and mark brainlist
BabaBlast [244]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Fine 3 consecutive numbers where the product of the similar two numbers is 28 less than the square of the largest number
Llana [10]

Answer:

8, 9, and 10

Step-by-step explanation:

see attachment

3 0
3 years ago
Given line ac with line ab=2x-4, bc=4x and ac=2x+12 find ac
tankabanditka [31]

Answer:

The answer to your question is: AC = 20

Step-by-step explanation:

Data

   AB = 2x - 4

   BC = 4x

   AC = 2x + 12

   AC = ?

            AB + BC = AC

        2x - 4 + 4x = 2x + 12

       6x - 4 = 2x + 12

       6x - 2x = 12 + 4

       4x = 16

       x = 16/4

       x = 4

AB = 2(4) - 4 = 8 - 4 = 4

BC = 4(4) = 16

AC = 2(4) + 12 = 8 + 12 = 20

         4 + 16 = 20

         20 = 20

5 0
3 years ago
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