3 years ago

Which of the following equations are identities? Check all that apply.

Mathematics

1 answer:

steposvetlana [31]3 years ago

4 0

Answer:

Step-by-step explanation:

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Can someone help me with both of these? You can answer only one, however, If you answer both that is who gets brainliest. don't

damaskus [11]

Answer:

20x+80

10/21

Step-by-step explanation:

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3 years ago

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The price of the bicycle that Rocco wants to buy is $282. How much will Rocco pay for the bicycle if the state tax rate is 4%

AleksAgata [21]

$293.28 You multiply 282 by 0.04 which is 11.28. Then you add the 11.28 to 282.

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3 years ago

Consider a bag containing five red marbles, three green ones, one transparent one, three yellow ones, and three orange ones How

Novay_Z [31]

Answer: 56

Step-by-step explanation:

Given : Number of red marbles = 5

Number of green marbles = 3

Number of yellow marbles = 3

Number of orange marbles = 3

Number of red and green marbles = 5+3=8

Now the possible number of sets (combinations) of five marbles are there in which all of them red or green will be :-

$^8C_5=\dfrac{8!}{5!(8-5)!}=\dfrac{8\times7\times6\times5!}{5!3!}=56$

Hence, the number of sets of five marbles in which all of them red or green=56

4 0

3 years ago

******ANSWER ASAP PLEASE******

Lemur [1.5K]

(1/4)^-2 - (5^0 x 2) x 1^-1 =

(4/1)^2 - (1 x 2) x 1 = 16-2 = 14

If you raise something to the power of -2, swap numerator and denominator and remove the minus.

So (1/4)^-2 = 4^2 = 16

Also 1^-1 is just 1, not -1.

8 0

3 years ago

Find the product -7/5(4/5)

katen-ka-za [31]

Answer:

-28/25 or -1 3/25

Step-by-step explanation:

Hope this helps

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3 years ago