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3 years ago

A number p minus 19 algebraic expression

Mathematics

2 answers:

arlik [135]3 years ago

7 0

Answer:

Expression p - 19 .

Step-by-step explanation:

Given : A number p minus 19 algebraic expression.

To find : Write expression .

Solution : We have given A number p minus 19 .

A number = p .

According to question :

p is minus 19

We can see the number p is less than 19

So , p - 19 .

Therefore, Expression p - 19 .

Lubov Fominskaja [6]3 years ago

3 0

A number p is "p"

minus 19 is p - 19

your expression is p - 19

hope this helps

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Need help with this

photoshop1234 [79]

Answer:

9.6x10^3

Step-by-step explanation:

9,600

find the highest number

9,600

bring the decimal to that number

9.600

count how many spaces it took to get to that number

9.600

^ ^ ^

so its 10 to the third power

7 0

3 years ago

Which expression can be used to solve 3/5 ÷ 7/10

marusya05 [52]

Answer:

Step-by-step explanation:

3/5 divided by 7/10

You use KCF

KCF stands for keep change flip

So it would be 3/5x10/7

3 10 15

_ x _ = _

5 7 7

you need to simplify it so the 5 in 3/5 would be a 1 and the 10 in 10/7 would be 5

5 0

3 years ago

Simplify 4√16 + 8√16

Mumz [18]

$4\sqrt{16} + 8\sqrt{16}$ :

Since $\sqrt{1} =1$ , we get:

$4\cdot \:1\cdot \:6+8\cdot \:1\cdot \:6=24+48=72$

-----------------------------------------------------------------------------------

$7\sqrt{4} *3\sqrt{8}$

We have $\sqrt{4}=2$

simplify $\sqrt{8} = \sqrt{2^3} = \sqrt{2^2*2}$

then the radical rule is used: $\quad \sqrt[n]{ab}=\sqrt[n]{a}\sqrt[n]{b}$

⇒ $\sqrt{2^2*2} = \sqrt{2^2} \sqrt{2}= \sqrt{4}\sqrt{2} =2\sqrt{2}$

Now we have $\sqrt{4}=2$ and $\sqrt{8}=2 \sqrt{2}$

$7\sqrt{4} *3\sqrt{8} = 7*2*3*2\sqrt{2} = 84 \sqrt{2}$

-----------------------------------------------------------------------------------

$2\sqrt{4}+5 \sqrt{9}$

$2\sqrt{4} =2*2= 4$ and $5\sqrt{9} =5*3= 15$

$2\sqrt{4}+5 \sqrt{9} = 4+15 = 19$

-----------------------------------------------------------------------------------

$4\sqrt{5} -2\sqrt{5} = 2\sqrt{5}$

since $2\sqrt{5}$ is the half of $4\sqrt{5}$

-----------------------------------------------------------------------------------

$-4\sqrt{2}\:+\:5\sqrt{2} =1 \sqrt{2} = \sqrt{2}\\$ <em>(-4+5=1)</em>

4 0

3 years ago

Estimate a 15% tip on a dinner bill of $72.13 by first rounding the bill amount to the nearest ten dollars?

mixas84 [53]

Answer:

the tip is $10.5 = $72.15= $70*.15+ $10.5

Step-by-step explanation:

7 0

3 years ago

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A bag contain 8 blue balls, 7 green balls and 5 red balls.What is the probability that the ball is red?

Nat2105 [25]

Answer:

A bag contains:

8 blue balls.

7 green balls.

5 red balls.

The probability that the ball is red would be:

P = Red balls/Total balls = 5/(5+7+8) = 5/20 = 1/4 =0.25

Hope this helps!

4 0

3 years ago

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