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3 years ago

Help me with this please ASAP

Mathematics

1 answer:

Natasha2012 [34]3 years ago

4 0

Answer:

Hi there your answer is $8x^{6}$

Step-by-step explanation:

Hi... You have to muliply 4 and 2 which will equal to 8

Then, if you know the exponent rule for the Product Rule or don't I'll still give it you here it is

$x^{m}*x^{n}=x^{m+n}$

In this case we will be adding 3 and 3 which will equal to 6

Which your answer will be

$8x^{6}$

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What is y in 15=-7.5x^2+86x+702

dexar [7]

Answer:

add 15x and 86x equal to 71x

8 0

3 years ago

Exponent Practice: x^2/3=64

docker41 [41]

X^2/3 = 64
$x^{2} =64^{3}$
$x = 64^{3/2}$

it is easier to first find square root of 64 and than power it to 3
square root of 64 is 8 which means our equation now looks like:
x = 8^3
now the answer is after powering 8 to 3:
x = 512

6 0

3 years ago

B. The sum of three numbers is 51. The second number is three more than the first number, and the third number is

Svetach [21]

Answer:

12, 15, 24

Step-by-step explanation:

Let 1st # = x

Let 2nd # = x+3

Let 3rd # = 2x

Your equation is: x + (x+3) + 2x = 51

Add up all the x: x + x +3 +2x =51

Subtract 3 from both sides: 4x + 3 - 3 = 51 - 3

Divide 4 from both sides: 4x / 4 = 48 / 4

Your 1st number is x = 12

For the 2nd # it is 3 more than x so 12 + 3 = 15

For the 3rd # it is 2 times x so 2(12) = 24

Check your answers by adding up the numbers you solved: 12 + 15 +24 = 51

Does it equal to 51 as stated in the question? Yes, answers check out.

7 0

2 years ago

4 letters are typed, without repetition. What is the probability that all 4 will be vowels? Write your answer asa percent. Round

Marysya12 [62]

There are 26 letters in the alphabet, 5 are vowels, therefore, the probability of choosing a vowel the first time is:

$\frac{5}{26},$

and the second time is:

$\frac{4}{25}\text{.}$

Continuing with this reasoning, we get that the probabilities each time are:

$\frac{5}{26},\frac{4}{25},\frac{3}{24},\frac{2}{23}\text{.}$

Finally, the probability that you get all vowels is the product of the probabilities:

$\frac{1}{2990}\text{.}$

Writing the above result as a percentage we get:

$0.033\%.$

Answer:

$0.033\%\text{.}$

3 0

7 months ago

PLEASE HELP I WILL GIVE BRAINLIEST!!!!

IRISSAK [1]

Large rectangles-2*3*6=36
medium ones 2*2*6=24
small ones 2*2*3=12
surface =72

6 0

3 years ago