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maria [59]
4 years ago
11

Part 2 of “I don’t know what the heck i’m doing”

Mathematics
1 answer:
Marta_Voda [28]4 years ago
6 0

Plot the points ( -4,2.5), (-3,3), (-2,1.5), (-1,2), (0,1), (1,2), (2,3.5), (3,0.5), (4,2.5) then connect them with a line

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Rewrite the function by completing the square.
bixtya [17]

Answer:

g(x) = 4(x - 2)^2 -9

Step-by-step explanation:

Given

g(x) = 4x^2 - 16x + 7

Required

Complete the square

Rewrite so that x^2 has 1 coefficient

g(x) = 4(x^2 - 4x) + 7

Take half of the coefficient of x

\frac{4}{2} = 2

Square the result

(\frac{4}{2})^2 = 2^2

(\frac{4}{2})^2 = 4

Add and subtract the result in the bracket

g(x) = 4(x^2 - 4x + 4 - 4) + 7

Expand the bracket to remove -4

g(x) = 4(x^2 - 4x + 4) - 16 + 7

g(x) = 4(x^2 - 4x + 4) -9

Expand the bracket

g(x) = 4(x^2 - 2x -2x+ 4) -9

Factorize

g(x) = 4(x(x - 2) -2(x-2)) -9

Factor out x - 2

g(x) = 4((x - 2)(x-2)) -9

Express as square

g(x) = 4(x - 2)^2 -9

3 0
3 years ago
at the metal-casting company where i work, i must set up a conveyor system to move castings from the furnace to the heat treatme
Harman [31]
Maximum time allowed = 7 deg. / 0.03 deg/s = 233.3 s
Minimum speed = 55 yd * 3 ft/yd / 233.3 s
= 0.707 ft/s
4 0
4 years ago
HELP ME PLEASEEE [GIVING BRAINLIEST TO BEST ANSWER W/ EXPLANATION]
vivado [14]

Answer:

Step-by-step explanation:

1. There is a total of 16 outcomes

2. To get outcomes with a sum GREATER than 5, we have

2+4, 3+3, 3+4, 4+2, 4+3, 4+4 for a total of 6 outcomes.

3. To spin the same number twice, the possible outcomes are

1-1, 2-2, 3-3, 4-4 for a total of 4 outcomes.

7 0
3 years ago
There are 28 students in a class. Two of the students are named Emily. What is the approximate probability that either Emily is
anyanavicka [17]

Answer:

answer is 7

Step-by-step explanation:

they are saying 28 students that means we have to divide the name because their are two students name Emily

28/2= 14 then

14/2=7

5 0
2 years ago
Can someone help me please?
Likurg_2 [28]
Dudhdhhxgxgxhxdjxhhxxjdh
the answer is 8
8 0
3 years ago
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