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kotegsom [21]
3 years ago
8

If 2 is added to five times a number, the result is equal to 5 more than four times the number find the number

Mathematics
2 answers:
REY [17]3 years ago
5 0
5x+2=4x+5

Let's solve your equation step-by-step.

<span><span><span>5x</span>+2</span>=<span><span>4x</span>+5

</span></span>Step 1: Subtract 4x from both sides.

<span><span><span><span>5x</span>+2</span>−<span>4x</span></span>=<span><span><span>4x</span>+5</span>−<span>4x

</span></span></span><span><span>x+2</span>=5

</span>Step 2: Subtract 2 from both sides.

<span><span><span>x+2</span>−2</span>=<span>5−2

</span></span><span>x=3

</span>Answer: x=3
Basile [38]3 years ago
3 0
2+5n=5+4n
minus 4n from both sides
2+n=5
minus 2 from both sides
n=3
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9(5x + 1) ÷ 3y
Ivan

Some definitions:

Sum - the result of adding values together

Term - a single number or variable (includes variables multiplied by numbers)

Factor - a number or variable that divides another number or expression evenly

Quotient - the result of dividing values by one another

Coefficient - a numerical or constant value often in front of a variable

In your equation:

Sum - (5x + 1)

5x and 1 are being added together, although we do not know the sum exactly, we know that the sum is equal to the value of 5 times x plus 1.

Term - (5x, 1, 3y)

All terms given above are applicable.

Factor - (9)

9 has been taken out of the expression that it is now being multiplied, which shows that it was factored out of that expression

Quotient - (9(5x + 1) / 3y)

The value of 9(5x + 1) is being divided by 3y. Though we do not know the quotient exactly, we know that the quotient is equal to the values given.

Coefficient - (5, 3)

Both 5 and 3 are numbers in front of variables.

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What is SIN A?
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\sin A =\frac{4}{5}

Step-by-step explanation:

Recall the mnemonics SOH CAH TOA.

SOH means the Sine ratio is Opposite over Hypotenuse.

This implies that;

\sin A =\frac{Opposite}{Hypotenuse}

The side opposite to angle A is 4cm and the hypotenuse is 5cm.

\therefore \sin A =\frac{4}{5}

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