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Vesna [10]
3 years ago
15

PLEASE HELP!! i can’t figure this out!

Mathematics
1 answer:
Ugo [173]3 years ago
6 0

Answer:

1,-1

Step-by-step explanation:

midpoint is (-3)+5÷2 ; (-3)+1÷2

=1;-1

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21. The odd numbers on a regular die are painted red. On a second regular die, the numbers that are one less than a perfect squa
ivanzaharov [21]

The chance that both come up red is 2/3.

<u>Step-by-step explanation</u>:

First regular die :

The total outcomes are {1,2,3,4,5,6} = 6

Painted red are odd numbers {1,3,5} = 3

Second regular die :

The total outcomes are {1,2,3,4,5,6} = 6

Painted red are one less than perfect square which is 4-1 is {3} = 1

  • Probability (both red) = (red in 1st die / total outcome) + (red in 2nd die / total outcome)

P(both red) = 3/6 + 1/6

⇒ 4/6

⇒ 2/3

3 0
4 years ago
What is the unit rate for headphones if eight headphones cost $390.92
kumpel [21]

$48.865 per headphone

<u>unit rate</u> : total cost/total items

unit rate:

390.92/8

48.865

Each headphone costs $48.865

7 0
2 years ago
Classify the polynomial 11x^2-10x+7​
MArishka [77]
It equals 2 I did it
5 0
3 years ago
Please solve this problem.
just olya [345]

x=number of oranges.

y=number of bananas.

$5

we can suggest this system of equations:

x+y=12

0.5x+0.25y=5

We can solve this system of equations by substitution method.

x=12-y

0.5(12-y)+0.25y=5

6-0.5y+0.25y=5

-0.25y=5-6

-0.25y=-1

y=-1 /- 0.25=4

x=12-y

x=12-4=8

Answer:

<em>Tanya bought 8 oranges and 4 bananas.</em>

4 0
3 years ago
Read 2 more answers
The perimeter of a square is 420cm long. what is the length of each side?​
Zepler [3.9K]

Answer:

Each side of the square is 105cm long

Hope this helps.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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