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VladimirAG [237]
3 years ago
15

What is the value of a?

Mathematics
1 answer:
Marizza181 [45]3 years ago
7 0
Because the triangles are similar, we can form the proportion 3/4 = 4/a

Cross multiply and solve for 'a'

3/4 = 4/a
3*a = 4*4
3*a = 16
3*a/3 = 16/3
a = 16/3
a = (15+1)/3
a = (15/3)+(1/3)
a = 5+(1/3)

The answer is choice B)
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Blizzard [7]

Answer:

I think also option c ok

8 0
3 years ago
Write the standard equation for the circle.
Kay [80]
The equation of the circle with center (h, k) and radius r is
.. (x -h)^2 +(y -k)^2 = r^2

1. selection D matches the specification of the circle

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The question is jimmy scores is in the bottom 25% of the scores, but he does not have the lowest score. What is one possible val
Mariulka [41]

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Step-by-step explanation:

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4 0
3 years ago
Explain how this diagram can represent 3 - 7 = n​
k0ka [10]
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7 0
3 years ago
Read 2 more answers
Is 4-heap Nim with heaps of sizes 22, 19, 14, and 11 balanced or unbalanced? Player I's first move is to remove 6 coins from the
nadya68 [22]

Answer:

Player II should remove 14 coins from the heap of size 22.

Step-by-step explanation:

To properly answer this this question, we need to understand the principle and what it is exactly is being asked.

This question revolves round a game of Nim

What is a game of Nim: This is a strategic mathematical game whereby,  two opposing sides or opponent take turns taking away objects from a load or piles. On each turn, a player remove at least an object and may remove any number of objects provided they all come from the same heap/pile.

Now, referring back to the question, we should first understand that:

                        22₂ = 1 0 1 1 0

                         19₂= 1 0 0 1 1

                         14₂= 0 1 1 1 0

                          11₂= 0 1 0 1 1

and also that the “bit sums” are all even, so this is a balanced game.

However, after Player I removes 6 coins from the heap of size 19, Player II should remove 14 coins from the heap of size 22.

3 0
3 years ago
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