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mihalych1998 [28]
3 years ago
7

Don't know how to start on this problem.

Mathematics
1 answer:
NeTakaya3 years ago
7 0
The answer is no. this is because if you toss a coin two times the probability of landing on heads twice is 1/4. if it doesn't land on tails twice it can land on heads once and tails once. this means there are more possibility and cannot be the same
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Darren runs 1/4 a mile in 2.5 mins. how long will it take him to run a full mile?
rusak2 [61]

it is simple, you multiply 2.5 by 4

2.5*4=10


6 0
3 years ago
2x + 5y = -3<br> 2x + 2y = 6
oee [108]

Answer:

(6, - 3 )

Step-by-step explanation:

Given the 2 equations

2x + 5y = - 3 → (1)

2x + 2y = 6 → (2)

Subtracting (1) from (2) term by term will eliminate the x- term

(2x - 2x) + (2y - 5y) = 6 - (- 3), that is

- 3y = 9 ( divide both sides by - 3 )

y = - 3

Substitute y = - 3 in either of the 2 equations and solve for x

Substituting y = - 3 in (1)

2x + 5(- 3) = - 3

2x - 15 = - 3 ( add 15 to both sides )

2x = 12 ( divide both sides by 2 )

x = 6

Solution is (6, - 3 )

8 0
3 years ago
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What is the diameter of a sphere with a volume of 15276 cm", to the nearest tenth
poizon [28]

Answer:

15.4

Step-by-step explanation:

15276 = 4/3 πr³

11457 = πr³

3646.88 = r³

15.4 = r

5 0
2 years ago
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Two sides of an isosceles triangle have lengths of 4 and 8. What is the length of the third side?
Gnoma [55]

Answer:

8

Step-by-step explanation:

Let's start with a simple fact: two sides of an isosceles triangle must be equal. Let's suppose the missing side is 4

That would mean that 4 + 4 equals 8. You must pick a side that exceeds 8, but you loose the property of 2 sides need to be equal.

So the answer has to be 8. The final size of the sides is 4 8 and 8. 4 and 8 exceed the third side (8).

8 and 8 certainly exceed 4.

3 0
2 years ago
What is relation and function
Masteriza [31]

Answer:

function is a special type of relation where every input has a unique output

Step-by-step explanation:

8 0
3 years ago
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