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3 years ago

What is the answer for s-18=70

Mathematics

2 answers:

weqwewe [10]3 years ago

8 0

70+18=88. S=88. You just have to reverse it.

vagabundo [1.1K]3 years ago

4 0

$s-18=70\implies s-18+18=70+18\implies s+(18-18)=88\implies s=88$

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Ibought a new shirt at the store for $30. If the tax is 10%, how much is the tax? And how much did I

Vikentia [17]

Answer:

Tax = 3$

Tot Cost = 33$

Step-by-step explanation:

10% of 30$ is 3$

(0.10 * 30 = 3)

the tax is 3$

30$ + 3$ = 33$

the total cost is 33$

5 0

3 years ago

A man is five times as old as his son. Four years ago the man was thirteen times as old as his son.

skad [1K]

Answer:

Age of son = 6 years

Age of man = 5×6 = 30 years

Step-by-step explanation:

GIVEN :-

A man is 5 times as old as his son. (In Present)
4 years ago , the man was 13 times as old as his son

TO FIND :-

The present ages of the man & his son.

SOLUTION :-

Let the present age of son be 'x'.

⇒ Present age of man = 5x

4 years ago ,

Age of son = (Present age of son) - 4 = x - 4

Age of man = (Present age of man) - 4 = 5x - 4

The man was thirteen times as old as his son. So,

$=> 5x - 4 = 13(x - 4)$

Now , solve the equation.

Open the brackets in R.H.S.

$=> 5x - 4 = 13x - 52$

Take 5x to R.H.S. and -52 to L.H.S. Also , take care of their signs because they are getting displaced from L.H.S. to R.H.S. or vice-versa.

$=> 13x - 5x = 52 - 4$

$=> 8x = 48$

Divide both the sides by 8

$=> \frac{8x}{8} = \frac{48}{8}$

$=> x = 6$

CONCLUSION :-

Age of son = 6 years

Age of man = 5×6 = 30 years

8 0

2 years ago

Hey:) can you please help me posted picture of question

mr Goodwill [35]

The top row contains the product of $x^{2}$ with each term of the expressions $x^{6}+ x^{4}+ x^{2}$ and bottom row contains the product of -1 with each term of expression $x^{6}+ x^{4}+ x^{2}$ .

The final result will be the sum of terms of both rows as shown below:

$( x^{6}+ x^{4} + x^{2} )( x^{2} -1) \\ \\ 
= x^{2} ( x^{6}+ x^{4} + x^{2} )-1( x^{6}+ x^{4} + x^{2} ) \\ \\ 
= x^{8}+ x^{6}+ x^{4}- x^{6}- x^{4}- x^{2} \\ \\ 
= x^{8}- x^{2}$

So the correct answer is option D

8 0

3 years ago

Somebody pls help ASAP!

LenaWriter [7]

Answer:

Perpendicular

Step-by-step explanation:

If you look at the image, it shows a rectangular prism. The line CD is next to the line AD. It is perpendicular because someone could draw a right angle where the lines CD and AD meet.

I Hope That This Helps! :)

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2 years ago

Which graph is the most appropriate to use to describe a quantity decreasing at a steady rate?

lana66690 [7]

Answer:

option c

Step-by-step explanation:

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3 years ago