How do you do this problem 3x times x squared

Answers

Answer 1

Answer:

both variables are x

pretend there is an imaginary 1 in front of the x for x squared

3 x 1 = 3

x^2 x X = x^3

this is because when multiplying numbers with the same variable like this problem for instance then you add the squared (2) with the x ( imaginary 1)

so 3x^3 is the answer

Answer 2

Answer:

The expression 3x times x squared simplifies to 3x³.

We have,

To simplify the expression 3x times x squared, you can multiply the coefficients and combine the variables.

The expression can be written as: $3x * x^2$

To multiply the coefficients, you multiply 3 and 1, which gives you 3.

To combine the variables, you multiply the x term and the x² term.

When multiplying variables with the same base (in this case, x), you add the exponents. So, $x * x^2$ can be simplified as $x^(1+2) = x^3.$

Putting it together, the expression 3x times x squared simplifies to 3x³.

Thus,

The expression 3x times x squared simplifies to 3x³.

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How many decimal places do you think are in the product of 3.2 x 0.77 x 1.6

Answers

the answer is 3.9424 so there are 4 decimal places.

At a fundraiser, 8000 tickets are sold at $10 each for four prizes: a new car worth$30,000, a European vacation worth $9000, a home theater system worth $4000,

and a cash prize of $1000. You buy 1 ticket. What is the expected value of your

gain?

Answers

Final answer:

The expected value of buying one ticket in the fundraiser is calculated by multiplying the value of each prize by the probability of winning it and then summing the products. The expected value of a ticket is $5.5, which implies that an average gain or loss from buying a single ticket is $4.5 loss since each ticket cost $10.

Explanation:

The calculation of the expected value is straightforward and it involves multiplying the value of each possible outcome by its probability, and then adding these products together. So, let's start by identifying the outcomes:

Win a new car worth $30000 with a probability of 1 in 8000.
Win a vacation worth $9000 with a probability of 1 in 8000.
Win a home theater system worth $4000 with a probability of 1 in 8000.
Win a cash prize of $1000 with a probability of 1 in 8000.

Now we can calculate the expected amount you would get from buying 1 ticket:

(30000 * 1/8000) + (9000 * 1/8000) + (4000 * 1/8000) + (1000 * 1/8000) = $3.75 + $1.125 + $0.5 + $0.125 = $5.5

So the expected value of purchasing one ticket is $5.5. It's important to remember that this doesn't guarantee that you'll win because the actual result of buying one ticket is subject to chance.

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Answer:

11000

Step-by-step explanation:

5 less than 3 times a number z how would you write an algebraic expression

Answers

Answer:

3z-5

Step-by-step explanation:

3 times a number z = 3z

5 less than this is -5

3z-5

Your answer would be 3z-5

For each of these three equations, determine whether there are any solution(s). If there are solutions, say what they are and show how you found them. If there aren't solutions, explain why not. EXPLAIN!!! I will mark as brainliest!!!(a) x/3 + x/4 + x/5 + = (2x)/3 + (2x)/4 + (2x)/5

(b) y/3 + y/4 + y/5 = y/3 + y/4 + y/5 + 1

(c) z/3 + z/4 + z/5 = z/4 + z/5 + z/6 + 1$

Answers

For (a)
The resulting equation is
47x/60 = 47x/30
and the solution is 0

For (b)
The resulting equation is
47y/60 = 47y/60 + 1
which is reduced to
47y/60 - 47y/60 = 1
0 = 1 (impossible)

For (c)
The resulting equation is
47z/60 = 37z/60 + z
and the solution is 6

Please help with these math questions part 1

Answers

volume of sphere=(4/3)pir^3

leave in terms of pi

1.
r=6.5
A=(4/3)(pi)(6.5^3)
A=(4/3)(pi)(274.625)
A=(366.166666)pi ft^3

answer is C (you are correct)

2. ok so it seems from last question that we round final answer to tenths place

ok so remember
d/2=r
18=d
18/2=9=r
A=(4/3)(pi)(9^3)
A=(4/3)(pi)(729)
A=972pi cm^3

put in 972 in blank (you are correct again)

3. aprox pi=3.14 for this question

r=3
A=(4/3)(3.14)(3^3)
A=(4/3)(3.14)(27)
A=(36)(3.14)
A=113.04 in^3

answer is C

ANSWERS

1. C
2. 972
3. C

Simplify -sin^2x-cos^2x-tan^2x+cot^2x+sec^2x-csc^2x+2

Answers

$\displaystyle\n\text{simplify: } -\sin^2x-\cos^2x-\tan^2x+\cot^2x+\sec^2x-\csc^2x+2\n\n\text{We use the formulas:}\n1)~~\sin^2x+\cos^2x=1\n\n2)~~\tan x=(\sin x)/(\cos x) ~~~~~~~3)~~\cot x= (\cos x)/(\sin x)\n \n4)~~\sec x=(1)/(\cos x) ~~~~~~~~5)~~\csc x=(1)/(\sin x)\n \n\text{Answer:}\n\n-\sin^2x-\cos^2x-\tan^2x+\cot^2x+\sec^2x-\csc^2x+2=\n\n=-(\sin^2x+\cos^2x)- (\sin^2x)/(\cos^2x)+(\cos^2x)/(\sin^2x)+\sec^2x-\csc^2x+2=$

$\displaystyle\n=-1- (\sin^2x)/(\cos^2x)+(\cos^2x)/(\sin^2x)+ (1)/(\cos^2x)- (1)/(\sin^2x) +2=\n\n=-(\sin^2x )/(\cos^2x)+(\cos^2x)/(\sin^2x)+ (1)/(\cos^2x)- (1)/(\sin^2x) +2-1=\n\n=(-\sin^4x+\cos^4x)/(sin^2x\cos^2x)+(\sin^2x-\cos^2x)/(\sin^2x\cos^2x)+1=\n\n=(\cos^4x-\sin^4x)/(\sin^2x\cos^2x)-(\cos^2x-\sin^2x)/(\sin^2x\cos^2x)+1=\n\n=((\cos^2x+\sin^2x)(\cos^2x-\sin^2x))/(\sin^2x\cos^2x)-(\cos^2x-\sin^2x)/(\sin^2x\cos^2x)+1=$

$\displaystyle\n=((1)\cdot(\cos^2x-\sin^2x))/(\sin^2x\cos^2x)-(\cos^2x-\sin^2x)/(\sin^2x\cos^2x)+1=\n\n=\underbrace{(\cos^2x-\sin^2x)/(\sin^2x\cos^2x)-(\cos^2x-\sin^2x)/(\sin^2x\cos^2x)}_(=~0)\,+\,1=0+1=\boxed{\boxed{\bf1}}$

Answer: actually it is very complicated to explain but the answer is 1

Other Questions

URGENTTT!!!! Pentru comenzile online un magazin de calculatoare aplica o reducere de 10%.Pretul unui calculator cumparat online este de 1800 lei. In magazin acelasi calculator costa cati lei?

I don't understand please help

Simple Middle Math! I require assitance to continue!