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alexdok [17]
3 years ago
10

Divide 300 in a ratio of 3/7

Mathematics
1 answer:
Talja [164]3 years ago
7 0

in short, we simply divide the whole 300 by (3+7), to get in a 3:7 ratio, and then distribute accordingly.


\bf 300\qquad 3:7\qquad \cfrac{3}{7}~\hspace{5em}\cfrac{3\cdot \frac{300}{3+7}}{7\cdot \frac{300}{3+7}}\implies \cfrac{3\cdot 30}{7\cdot 30}\implies \cfrac{90}{210}\implies 90:210

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Please help, will give brainlist
ladessa [460]

Answer:

x^{2}-2+\frac{20}{x+7}

Step-by-step explanation:

x + 7) x³ + 7x²- 2x + 6 ( x²- 2

        <u> x³ + 7x²</u>

                     -2x + 6

                     <u>-2x - 14</u>

                           +20

Therefore, we can write the expression in the remainder quotient form as,

x^{2}-2+\frac{20}{x+7}

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One student ate 3/20 of all candies and another 1.2 lb. The second student ate 3/5 of the candies and the remaining 0.3 lb. What
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3 years ago
Any suggestions or answers
Sati [7]

Answer:

x=81\degree

y=99\degree

z=129\degree

Step-by-step explanation:

The sum of the interior angles of a triangle is 180 degrees.

\implies 51\degree+48\degree+x=180\degree

\implies 99\degree+x=180\degree

\implies x=180\degree-99\degree

\implies x=81\degree

Use the exterior  angles theorem to find y.

The exterior angle y is the sum of the two remote interior angles:

y=51\degree+48\degree=99\degree

The sum of angles on a straight line is 180 degrees.

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7 0
3 years ago
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Answer:

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I hope this can help you!

8 0
2 years ago
What are the solutions of the equation?
yKpoI14uk [10]

Answer:

Option (b) is correct.

The solution of the quadratic equation x^2+4x=21  is -7 and 3

Step-by-step explanation:

Consider the given quadratic equation x^2+4x=21

This can be rewritten as, x^2+4x-21=0

We can solve the quadratic equation using middle term splitting method,

4x can be written as 7x-3x , we get,

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\Rightarrow x^2+7x-3x-21=0

Taking terms common, we get,

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Thus, we get (x-3)= 0 or (x+7)= 0  

this gives x = 3 or x = -7

Thus, the solution of the quadratic equation x^2+4x=21  is -7 and 3

7 0
3 years ago
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