Answer:
There fore the probability that the counters are blue is ![\frac{15}{39}](https://tex.z-dn.net/?f=%5Cfrac%7B15%7D%7B39%7D)
Step-by-step explanation:
There are a total of 14 red counters and 39 in total. The total of red counter can be represented as a fraction of
. To find out the number of blue counter we subtract 14 from 39. This gives us 25. This is
. Therefore the probability that the counters are blue is
<u>Answer:</u>
5 miles
<u>Step-by-step explanation:</u>
15 × ? = 25
3 × ? = ?
15 × 1 and 2/3 = 25
3 × 1 and 2/3 = ?
3 × 1 and 2/3 = 5
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7.154 is your answer to 0.98 times 7.3
Answer:
y = - 4(x + 3)² + 7
Step-by-step explanation:
The equation of a parabola in vertex form is
y = a(x - h)² + k
where (h, k) are the coordinates of the vertex and a is a multiplier
From the graph (h, k ) = (- 3, 7 ), thus
y = a(x + 3)² + 7
To find a we require a point on the graph other than the vertex
Using (- 2, 3) , substitute into the equation
3 = a(- 2 + 3)² + 7
3 = a + 7 ( subtract 7 from both sides )
a = - 4
Thus
y = - 4(x + 3)² + 7 ← in vertex form