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fgiga [73]
2 years ago
6

Share £900 in the ratio of 3:7

Mathematics
1 answer:
velikii [3]2 years ago
6 0

Sharing £900 in the ratio of 3:7 is equal to £270 and £630.

<u>Given the following data:</u>

  • Total amount = £900.
  • Ratio = 3:7
  • Sum of ratio = 3+7 = 10.

To share £900 in the ratio of 3:7​:

<h3>How to calculate a ratio.</h3>

In this exercise, you're required to share the total amount of money in the ratio of 3:7. Thus, we would solve as follows:

<u>For a </u><u>ratio</u><u> of </u><u>3</u><u>:</u>

Amount=\frac{3}{10} \times 900\\\\Amount=\frac{2700}{10}

Amount = £270.

<u>For a </u><u>ratio</u><u> of </u><u>7</u><u>:</u>

Amount=\frac{7}{10} \times 900\\\\Amount=\frac{6300}{10}

Amount = £630.

Read more on ratio here: brainly.com/question/13513438

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Marta_Voda [28]
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Therefore, option b is an identity.
4 0
3 years ago
Given: 315/1575. Write the prime fractorization of the numerator and the denominator, then write the fraction in lowest terms.
Ne4ueva [31]
The prime factorization of the numerator, 315, is 5 x 3 x 3 x 7. That of the denominator, 1575 is 5 x 5 x 3 x 3 x 7. To convert the fraction to its lowest form, cancel all the factors that appear to both the numerator and denominator. We will be left with 1/5. 
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3 years ago
One eidtion of alices adventures in wonderland has 352 pages. how many 4's were used in the page numbers?
aalyn [17]
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So in first 100 pages there are 20 4's.

therefore there are  20 4's  on pages 101-200  and another 20 4's on pages 201-300.

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Inverse of f(x)= x^2 -1, x is greater than or equal to 0
romanna [79]

f(x)=x^2-1,\ x\geq0\\\\y=x^2-1\\\\\text{replace x with y and y with x}\\\\x=y^2-1\\\\\text{solve for y}\\\\y^2-1=x\ \ \ \ |+1\\\\y^2=x+1\to y=\sqrt{x+1}\\\\Answer:\ \boxed{f^{-1}(x)=\sqrt{x+1}}

3 0
4 years ago
Find the measure of DB (a curvy line is on top of DB btw)
klasskru [66]

Answer:

Arc DB = 146

x = 5

Step-by-step explanation:

Remark

The relationship between the large arc, the small arc and the intersecting angle is

1/2 (large arc - small arc) = intersecting angle.

Givens

Large arc = 25x + 21

Small arc = 96

5x

Solution

1/2*(25x + 21 - 96) = 5x*2            Multiply both sides by 2

25x + 21 - 96 = 10 x                     Combine      

25x - 75 = 10x                             Subtract 25x from both sides

-75 = 10x - 25x

-15x = -75

x = 5

DB = 25x + 21

DB = 25*5 + 21

DB = 125 + 21

DB = 146

Tell me if this is not in the choices.

5 0
3 years ago
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