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Shkiper50 [21]
3 years ago
14

Can y'all help me plz like i really need help im not lying

Mathematics
2 answers:
KATRIN_1 [288]3 years ago
7 0

Answer:

D.

Step-by-step explanation:

thats what the distributive property is

Mila [183]3 years ago
5 0

Answer:

A and D

Step-by-step explanation:

A. 7 x 391 = 7 x (300 + 90 + 1)

2737 = 7 x (391)

2737 = 2737 TRUE

B. 7 x 391 = 7 + (300 + 90 + 1)

2737 = 7 + (391)

2737 = 398 FALSE

C. 7 x 391 = (7 x 300) + 90 + 1

2737 = 2100 + 90 + 1

2737 = 2191 FALSE (plus isn't using the distributive property)

D. 7 x 391 = (7 x 300) + (7 x 90) + (7 x 1)

2737 = 2100 + 630 + 7

2737 = 2737 TRUE

E. 7 x 391 = 2,100 + 630 + 7 (isn't following the distributive property)

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In another state, all license plates consist of 6 symbols chosen from the 26 letters of the alphabet and the digits 0-9. How man
Amiraneli [1.4K]

Answer:

11,232,000 license plates are possible.

Step-by-step explanation:

The order in which the symbols are chosen is important(ABC is a different plate than BAC), which means that the permutations formula is used to solve this question.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

P_{(n,x)} = \frac{n!}{(n-x)!}

In this question:

3 letters from a set of 26.

3 digits from a set of 10. So

T = P_{26,3}P_{10,3} = \frac{26!}{23!} \times \frac{10!}{7!} = 11232000

11,232,000 license plates are possible.

3 0
3 years ago
Maths! please help :)
emmainna [20.7K]

Answer:the first one

Step-by-step explanation:

6 0
3 years ago
I need help with #18 &amp; 20 ASAP!!!!!!!<br> Please explain so I can understand
quester [9]
On 18 I think standard form is aX+bY=#
So, you would just subtract the 3 from the 5 and then your answer would be -3X+4Y=2
5 0
3 years ago
Need help ASAP if y’all could pls help me out that would be great
Vladimir [108]
Hi! here’s what i’d put for the sentences to fill in the blanks:

- 1 ten is equal to 10 ones. 1 ten is 10 times the value of 1 one.

- 1 hundred is equal to 10 tens. 1 hundred is 10 times the value of 1 ten.

- 1 thousand is equal to 10 hundreds. 1 thousand is 10 times the value of 1 hundred.

- 1 ten-thousand is equal to 10 thousands. 1 ten-thousand is 10 times the value of 1 thousand.

- 1 hundred-thousand is equal to 10 ten-thousands. 1 hundred-thousand is 10 times the value of 1 ten-thousand.

Place Value Chart:

blank space before 3 is 2

hope this helped!:)
4 0
3 years ago
Consider the following game: Roll a fair 6-sided die. You win if the result is greater than 4; otherwise, you lose. To play, you
dalvyx [7]

Answer:

-$1.33 or lose $1.33

Step-by-step explanation:

In this game, there are two possible outcomes.

- There is a 2 in 6 chance (rolling a 5 or a 6) that you win $8.

- There is a 4 in 6 chance (rolling a 1, 2, 3 or a 4) that you win nothing.

Note that for any outcome, you start off paying $4 to play.

The expected value of this game is:

E(X) =\frac{2}{6} *\$8+\frac{4}{6}*\$0-\$4\\E(X) = -\$1.33

You are expected to lose $1.33 per play.

4 0
3 years ago
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