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Delicious77 [7]
3 years ago
5

Write the quadratic function in standard form. y = (x - 2)^2 + 4

Mathematics
1 answer:
Mrrafil [7]3 years ago
8 0

Answer:

y = x^2 - 4x + 8

Step-by-step explanation:

<u>Step 1:  Factor the (x - 2)^2</u>

y = (x - 2)^2 + 4

y = x^2 - 4x + 4 + 4

y = x^2 - 4x + 8

Answer:  y = x^2 - 4x + 8

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Is this the correct answer?
NeTakaya
30kx - 6kx = 8

24kx = 8 /(÷8)

3kx = 1

x = 1/3k
4 0
3 years ago
The product of 15 and the difference between 5 and - 7<br> A numerical expression
kupik [55]

Answer:

15×5-7

75-7

68

answer =68

5 0
2 years ago
Jason has 48 muffins, which he needs to box up into dozens. How many boxes does he need?
Olegator [25]
He needs 4 boxes :)
Dozen= 12
48 ÷12=4
8 0
2 years ago
If 2 over 5 tons of concrete covers 5 over 6 of a wall, how many tons of concrete are required to cover the entire wall?
Dominik [7]

Answer:

A. 12.25 tons

Step-by-step explanation:

We will let x represent the amount required to cover the entire wall.

We can divided 2/5 by 5/6 to solve for x

2/5 divided by 5/6=x

When you divide by a fraction, you can always multiply by the reciprocal (flipped number).

Our new equation is:

2/5·6/5=12/25

8 0
2 years ago
A study was conducted to compare the proportion of drivers in Boston and New York who wore seat belts while driving. Data were c
In-s [12.5K]

(A.)test statistic for this test using Ha: p8くPN is Z = -2.164 (B.) p-value (3 decimal places) is 0.015. (C.) Based on this p-value, which of the following would you expect for a 95% is negative. (D.) the correct conclusion is The proportion of Boston drivers wearing seat was significantly lower than the proportion of new York drivers wearing seat belts.

A.)

According to given data find the test statistic for this test using Ha:

p1 = 0.581

p2 = 0.832

standard error = SE = 0.116

<h3>Test statistics :-</h3>

Z = \frac{p1 - p2}{SE}

Z = \frac{0.581 - 0.832}{0.116} = -2.164

Z = -2.164

B.)

According to given Determine the p-value (3 decimal places).

<h3>p - value</h3>

it is left tailed test.

p - value for left tailed test is,

p - value = P(Z < test statistics )

p - value = P(Z < -2.164)

P - value = 0.015

C.)

Based on this p-value, which of the following would you expect for a 95%

confidence level = 95% = 0.95

significance level = α = 0.05

P -value is less than 0.05

so, reject null hypothesis at α = 0.05

That is P_{B} < P_{NY}

so, based on P - value , All values in the 95% confidence interval

PB - PNY  is negative.

D.)

According to given data What is the correct conclusion?

Reject null hypothesis at α = 0.05

so, P_{B} < P_{NY}

Hence, The proportion of Boston drivers wearing seat was significantly lower than the proportion of new York drivers wearing seat belts.

know more about test statics visit this link

brainly.com/question/23332597

#SPJ4

3 0
1 year ago
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