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Roman55 [17]
3 years ago
8

PLEASE HELP!! 25 POINTS!! WILL MARK BRAINLIEST!!

Mathematics
1 answer:
Strike441 [17]3 years ago
4 0

Answer:The equation of the parabola is y=18(x−2)2−3

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Which value of x makes the equation 6(0.5x-1.5)+2x=-9-(x+6)
Otrada [13]

Answer:

x=2

Step-by-step explanation:

on the LHS multiply the 6 by the values in the brackets and add by 2x= 9-(x+6) RHS

for the RHS multiply the - by (x+6) which will be 9-x-6

therefore you'll put in your like terms towards the end it'll be 6x-12=0 then take it to the other side and divide by 6 which will give you 2

7 0
3 years ago
To form 3 adjacent squares (as in the figure), 10 toothpicks are required. How many toothpicks are required to form 1000 adjacen
mylen [45]

Answer:

3001

Step-by-step explanation:

Let's say in general you want "n" adjacent squares. Each one needs a top, so that's n toothpicks. Each one needs a bottom, so that's another n toothpicks, and we're up to 2n total. You need one on the far left, and one on the far right, which brings us up to 2n + 2 toothpicks. Now we need to worry about the middle ones. But notice that you don't need n toothpicks for the interior because adjacent squares share. It turns out that you only need n-1. That brings us up to a grand total of 3n + 1 toothpicks, which would be 3001 for n = 1000.


Hope this helped!

3 0
4 years ago
Read 2 more answers
Will give brainliest and 100 points
____ [38]

Answer:

Kayla plays on average 0.2 more chess games than Becker

Step-by-step explanation:

The first thing we must do is calculate the mean of each one.

Becker:

(5 + 2 + 4 + 1 + 1 + 4 + 5 + 3 + 2 + 1) / 10 = 2.8

Kayla:

(2 + 3 + 1 + 1 + 4 + 1 + 5 + 3 + 5 + 5) / 10 = 3

if we subtract these averages, we have to:

3 - 2.8 = 0.2

which means that Kayla plays on average 0.2 more chess games than Becker. Since it is not even a complete game, the difference between the two is very small and almost irrelevant.

7 0
3 years ago
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HELP ME PLEASE!!!! explain how to solve y^4-81/y-3
lidiya [134]

Answer:

If solved by using quadratic formula, you would need to solve the rational equation by combining expressions and isolating the variable  y .

y ≈ 2.45043159

Step-by-step explanation:

8 0
3 years ago
If f(x)=-7, then x=?
Mnenie [13.5K]

Answer: x= -7

Step-by-step explanation:

4 0
3 years ago
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