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valentina_108 [34]
3 years ago
12

Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of the function y = 4x2 + 5x - 1.

Mathematics
1 answer:
Vilka [71]3 years ago
6 0

Answer:

You are correct. The answer is the blue point marked

Step-by-step explanation:

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A bag contains 10 red marbles, 7 green marbles. and 8 striped marbles. A marble is picked, then put back into bag. Find P(green
SIZIF [17.4K]

G = number of green = 7

S = number of striped = 8

T = number total = 10+7+8 = 25

probability of picking green = P(G) = G/T = 7/25

probability of picking striped = P(S) = S/T = 8/25

P(green and striped) = P(G)*P(S)  ... events are independent

P(green and striped) = (7/25)*(8/25)

P(green and striped) = (7*8)/(25*25)

P(green and striped) = 56/625

P(green and striped) = 0.0896

--------------------------------

In summary, the answer as a fraction is 56/625

In decimal form, the answer is 0.0896

The value 0.0896 can be converted to percent form to get 8.96%

8 0
3 years ago
The length of a rectangular picture frame is 2 inches longer than twice the width. If the perimeter of the frame is 34 inches, f
lyudmila [28]
The length, l, is 2 more than twice the width, w.
l= 2w+2 (2 more than twice w)
In a rectangle, we have two of the same lengths and two of the same widths.
2l+2w=34
Divide by 2 on each side.
l+w=17
We remember that l is 2w+2
Substituting that back in we get,
2w+2+w=17
3w+2=17
3w=15
w=5
We sub w back into l+w=17
l+5=17
l=12
The dimensions are 5 by 12 inches.
7 0
3 years ago
Read 2 more answers
F(x)= 4x+3, g(x)= x-2<br>Find g(f(x))​
weqwewe [10]

Answer:

4x + 1

Step-by-step explanation:

g(f(x)) = (4x + 3) - 2

         = 4x + 1

4 0
3 years ago
What is 6^4 x 6 1/4????
Natalka [10]

Answer:

8100

Step-by-step explanation:

6 0
3 years ago
11 is 62% of what number? Round to the nearest tenth.​
aleksandrvk [35]

Answer:17.74

Step-by-step explanation:

6 0
3 years ago
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