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3 years ago

Divide $2.50 in a ratio of 4:1

Mathematics

1 answer:

hram777 [196]3 years ago

4 0

Step-by-step explanation:

$4x + x = 2.5 \\ \\ \therefore \: 5x = 2.5 \\ \\ \therefore \: x = \frac{2.5}{5} = 0.5 \\ \\ \therefore \: 4x = 4 \times 0.5 = 2$

Hence, 2.50 in the ratio 4 : 1 can be divided as 2 and 0.5

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Step-by-step explanation:

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3 years ago

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A pole, 4m high, stands, vertically, on

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Answer:

Length of the shadow of the pole is 6.93 metres

Step-by-step explanation:

Given:

Height of the pole = 4 m

The angle sun makes with the horizontal = 30 degrees

To Find:

Length of the shadow of the pole = ?

Solution:

The tangent ratio is the value received when the length of the side opposite of angle theta is divided by the length of the side adjacent to angle theta

Let x be the length of the shadow

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2 years ago

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2(a³+b²+11)+1(3+a³+b+11)

Ann [662]

Answer:

$2(a^3+b^2+11)+1(3+a^3+b+11)=3a^3+2b^2+b+36$

Step-by-step explanation:

I assume that you need simplification of the given expression.

The given expression is:

$2(a^3+b^2+11)+1(3+a^3+b+11)$

Using distributive property and multiplying 2 inside the parenthesis and 1 inside the other parenthesis. This gives,

$2(a^3+b^2+11)=2\times a^3+2\times b^2+2\times 11\\2(a^3+b^2+11)=2a^3+2b^2+22\\\\1(3+a^3+b+11)=1\times 3+1\times a^3+1\times b+1\times 11\\1(3+a^3+b+11)=3+a^3+b+11=a^3+b+14$