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Leto [7]
3 years ago
13

8y - 1-/2 ( 4y - 16)

Mathematics
1 answer:
garik1379 [7]3 years ago
4 0

Answer:

6y +8

Step-by-step explanation:

8y - 1-/2 ( 4y - 16)

Distribute

8y - 1/2*4y - 1/2 *-16

8y -2y +8

Combine like terms

6y +8

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How do I find the vertex and the standard form? Plz explain
xenn [34]

Answer:

Vertex form

y = -4(x + 3)^2 + 10

Standard form;

y = -4x^2-24x - 26

Step-by-step explanation:

Mathematically, we have the vertex form as

y = a(x-h)^2 + k

(h,k) represents the vertex

We have h as -3 and k as 10

y = a(x+3)^2 + 10

To get a, we substitute any of the points

Let us use (-1,-6)

-6 = a(-1+3)^2 + 10

-6-10 = 4a

4a = -16

a = -16/4

a = -4

So we have the equation as;

y = -4(x+3)^2 + 10

For the standard form;

We expand the vertex form;

y = -4(x + 3)(x + 3) + 10

y = -4(x^2 + 6x + 9) + 10

y = -4x^2 - 24x -36 + 10

y = -4x^2 -24x -26

7 0
2 years ago
ANSWER ALL FOR BRAINLIEST AND SHOW YOUR WORK
Black_prince [1.1K]

Answer:

Step-by-step explanation:

2. 11x + 5y - 6

3. - 97x -21y + 100

That's all i could do hope it helps :l

5 0
3 years ago
For a process, the average range for all samples was 5 and the process average was 25. If the sample size was 10, calculate UCL
alexira [117]

Answer:

8.885

Step-by-step explanation:

Given that :

Sample size, n = 10

The average range, Rbar for all samples = 5

The upper control limit, UCL for the R-chart is :

UCL L= D4Rbar

From the control chart constant table, D4 = 1.777

Hence,

UCL = 1.777 * 5

UCL = 8.885

The UCL for the R-chart is 8.885

7 0
3 years ago
Does anyone know the answer to both of these questions????
atroni [7]

Answer:

c d

Step-by-step explanation:

3 0
3 years ago
linda earns $90,000 per year. if she does not work for 2 months in a year, how much money would she earn?
Llana [10]
She would earn 75,000 if she did not work for two months out the year.
8 0
3 years ago
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