3 years ago

Answer Choices A. -0.01 B. 2 C. 0.01 D. 10,000

Mathematics

1 answer:

ruslelena [56]3 years ago

7 0

Answer:<em>I hink its B if its not im sorry</em>

Step-by-step explanation:

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What is the missing value in x2y8 · x3y? = x5y5?

sweet-ann [11.9K]

Answer:

-3

Step-by-step explanation:

To find:

The value of '?' in the following expression:

$x^2y^8.x^3y^? = x^5y^5$

Solution:

First of all, let us have a look at a few rules of the exponents:

$1.\ a^b.a^c=a^{b+c}$

$2.\ a^b.a^{-c}=a^{b-c}$

Let us apply these rules and try to find out the missing value ('?') in the given expression.

Left Hand Side (LHS):

$x^2y^8.x^3y^?\\\Rightarrow x^2.x^3.y^8.y^?\\\Rightarrow x^{2+3}y^{8+?}\\\Rightarrow x^{5}y^{8+?}$

Now, let us compare the LHS with RHS, we get:

$x^{5}y^{8+?} = x^{5}y^{5}$

Dividing with $x^5$ on both sides:

$y^{8+?} = y^5\\\Rightarrow 8+? = 5\\\Rightarrow ? = 5-8 \\\Rightarrow ? =-3$

Therefore, the missing value in the expression is <em>-3.</em>

4 0

3 years ago

Help me please help mee

erastovalidia [21]

Answer:7.5

Step-by-step explanation:add all sides and then divide by 4

3 0

3 years ago

Read 2 more answers

Larry McCoy desposited three checks to his checking account he remembers that one of the checks was twice the amount of the smal

ddd [48]

$67.50

Step-by-step explanation:

6 0

4 years ago

18/27=1/3 9/15<4/4 3/4<2/3 5/6>11/12 which is a true statement?

hram777 [196]

Answer:

The correct answer us 9/15<4/4

Can I please have a brainliest? I want to rank up :)

6 0

3 years ago

I RLLY NEED HELP FAST!!!!!!!!!!!!!!!

rodikova [14]

Hello!

You look at where J is 2 and look at where the line is for K

At J = 2, K = 20

The answer is 20

Hope this helps!

7 0

4 years ago