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sammy [17]
3 years ago
8

Which irrational number is represented by point D? A) V175 B) V250 ) 1392 D) 440​

Mathematics
1 answer:
Olenka [21]3 years ago
6 0

Answer:

c that is the answer yes .

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A stone is thrown vertically upward from a platform that is 20 feet high at a rate of 160 ft/sec. Using the quadratic function h
Illusion [34]

Answer:

5 seconds

1220 ft

Step-by-step explanation:

Step 1: Know when the stone reaches the maximum height

We know the maximum or minimum height of a parabola is at the vertex so we need to find the vertex

Step 2: Calculate the vertex

The t coordinate of the vertex can be calculated with \frac{-b}{2a}

b = 160

a = 16

t=\frac{-(160)}{2(-16)}\\t=\frac{-160}{-32}\\t=5

Step 3: We know the t coordinate we can find the height at that time

h_{(t)} =-16(5)^{2} +160(5)+20\\h_{(t)}=16(25)+ (800)+20\\h_{(t)}=400+ 800+20\\h_{(t)}=1220

Therefore the stone reaches its maximum height of 1220 ft in 5 secs

7 0
3 years ago
Could someone confirm if I was correct?
mart [117]

compare to the correct answer on the picture. If not helped you can use a graph calculator and it should let you know wether or not you’re correct

3 0
3 years ago
If (x - c)^k is a factor of p(x), then c is a zero of p(x) with multiplicity k.
ivolga24 [154]

Answer:

True

Step-by-step explanation:

plug \: c = x \: in \: (x - c)^{k}  \\  (x - x)^{k}  =  (0)^{k}  = 0

8 0
3 years ago
7. Given f(x) = 6(1 - x) +11, what is the value of f(8) ?
enot [183]

Answer:

f(8)=-31

Step-by-step explanation:

since 8 replaces x in f(x), x should be substituted as 8 in the expression. From there, after you substitute, it becomes 6(1-8)+11. Simplifying that expression is now 6(-7)+11. Multiply 6 and -7, you get -42. -42+11=-31. I hope this helps :)

6 0
3 years ago
Hey! i’ll give brainliest please help!
ipn [44]

Answer:

eastern

Step-by-step explanation:

6 0
3 years ago
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