3 years ago

3 quater of number is 15 work out four fifths of the number

Mathematics

1 answer:

just olya [345]3 years ago

4 0

Answer:

Step-by-step explanation:

15×3=45÷5=8×4=32.

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ozzi

Answer:

Step-by-step explanation:

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3 years ago

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Select the correct answer from each drop-down menu. Complete the statement. The solutions of sin2x= √3/2

alex41 [277]

Answer:

henc X = 30°

Step-by-step explanation:

here is the proof

when X=30° then

sin2x = sin2×30

=sin 60°

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or else,

putting value of X = 30° then

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= 2×sin30°×cos30°

=2×1/2×√3/2

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hence proved sin2x= √3/2.

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3 years ago

Cable company a increase their rates from 98 a month to 110.92 a month.what is the percents of increase?

Debora [2.8K]

So from 98 to 110.92 is just 12.92 extra bucks.

if we take 98 to be the 100%, what is 12.92 off of it in percentage?

$\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
98&100\\
12.92&p
\end{array}\implies \cfrac{98}{12.92}=\cfrac{100}{p}\implies p=\cfrac{12.92\cdot 100}{98}$

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1 1/2 is the correct answer

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2 years ago

3 quater of number is 15 work out four fifths of the number​

3 quater of number is 15 work out four fifths of the number