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podryga [215]
3 years ago
13

I NEED HELP ! I’m doing a math quiz right now and I’m confused

Mathematics
1 answer:
Goshia [24]3 years ago
8 0

Step-by-step explanation:

one of his student shoot a ball from his hand at an initial height of 2 m with an initial upward velocity of 10 meters per second , the height of the ball can be modeled by the ģuadratic eģuation wath answer the ģuation -4.9t2+10t+2 after t seconds

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What is the sum of the geometric sequence 3, 15, 75, … if there are 7 terms? 39,062 58,593 195,312 292,968?
AlexFokin [52]
So to figure out the next number in the sequence you multply the previous number by 5
the first 7 terms are
3, 15, 75, 375, 1875, 9375, and 46875
then ad those all up and you get 58,593
7 0
3 years ago
Read 2 more answers
Evaluate the function.
Nimfa-mama [501]

Answer:

-12

Step-by-step explanation:

f ( x) = 2 x 2 + 8 x

Find f(−1)

replace x by its value which is -1

so:

f ( x) =  2 x 2 + 8 x

f ( -1) =  2  (-1)*2 + 8 (-1)

f(-1)= -2*2 + (-8)

f(-1)= -4 -8

f(-1)= -12

7 0
2 years ago
A ferris wheel goes around once every 20 seconds . How many times will a rider be ag thetop during an 8-minuteride?
allsm [11]

Answer:

The answer is B.

Step-by-step explanation:

There are three 20 second time periods in 1 minute. Three times eight is equal to 24.  

8 0
3 years ago
Mrs. Perry is taking a group of students to the Clark Planetarium where tickets cost $7 each. The bus will cost $50 and she has
kenny6666 [7]
Answer:
71 people can attend under these constraints

Explanation:

So you write the slope intercept form equation which is 7x+50=200
You got 7x because every tickets cost 7
You add 50 because of the bus
And you’re wondering how many people are able to go by just spending about $200

So you subtract 50 on both side and you are left with 7x=150 so you have to divide 7 on both side next and you get about 71.4... so basically just round it up to 71 people
7 0
3 years ago
The sum of three prime numbers (other than two) is always odd.
grandymaker [24]

Step-by-step explanation:

The statement in the above question is True.

Sum of three prime numbers (other than  two)  is always odd.

Going by Christian Goldbach number theory ,

  • Goldbach stated that every odd whole number greater than 5 can be written as sum of three prime numbers .  

 Lets take an example,

  • 3 + 3 + 5 = 11
  • 3 + 5 + 5 = 13
  • 5 + 5 + 7 = 17

Later on in 2013  the Mathematician <u>Harald Helfgott</u> proved this theory true for all odd numbers greater than five.

6 0
3 years ago
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