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Stella [2.4K]
3 years ago
14

-8^2 and -7^2 (clarity please!?!?)

Mathematics
2 answers:
DENIUS [597]3 years ago
7 0

As we can find that

-8² is -8 x -8  and -7² is -7 x -7

It has the same meaning with rules of positive and negative numbers operation in math :

  • If a negative value timed/divided by a negative value, the result is a positive value.
  • if a positive value timed/divided by a negative value or vice versa, the result is a negative value.
defon3 years ago
4 0

Answer:i dont know

Step-by-step explanation:

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There are 90 passengers on a commuter flight from SFO to LAX, of whom 27 are traveling on business. In a random sample of five p
stepladder [879]

Answer:

C). 0.83193

Step-by-step explanation:

There are total of 90 passengers of which 27 are for business.

The probability of passengers for business = 27/90

The probability of passengers for business p = 0.3

The probability of passengers not for business q = 1-The probability of passengers for business

= 1-0.3

= 0.7

Random sample of 5 passenger, probability of at least one business passenger = 1 - probability of no business passenger

probability of no business passenger

= 5C0(0.3)^0 * (0.7)^5

= 1 *1*0.16807

= 0.16807

probability of at least one business passenger = 1 - probability of no business passenger

= 1-0.16807

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4 0
3 years ago
I need help with this.
Sloan [31]

9514 1404 393

Answer:

  61.4

Step-by-step explanation:

The length of two semicircles of diameter 10 is the circumference of a circle of that diameter:

  C = πd = 10π ≈ 31.4

The perimeter includes that length plus the lengths of two straight sides that are 15 units each.

  P = 31.4 + 2×15

  P = 61.4 . . . . units

4 0
3 years ago
Can somebody please help me with this
pickupchik [31]

Answer:

13.35

Step-by-step explanation:

you multiply 89 times 15

then divide that with 100

6 0
3 years ago
What ratio is equvalent to 6 over 12​
Ber [7]

Hello from MrBillDoesMath!

Answer:

1/2

Discussion:

6/12 =                            => as 12 = 6*2

6 /( 6*2)  =                      => cancel 6's in num and denom.

1/2

Thank you,

MrB

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3 years ago
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mel-nik [20]
Can I get the measures of the figures? I’d be glad to help :))
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