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2 years ago

Show all steps! K-2= 6

Mathematics

2 answers:

Tanzania [10]2 years ago

5 0

K=8

Add the 2 to 6 on the other side of the =sign
Which leaves K alone and K equals 8

Sloan [31]2 years ago

3 0

Answer:

Step-by-step explanation:

k - 2 = 6

+2 +2

k = 8

Whenever solving for these your first goal is to get rid of any constants isolating the variable by itself. To get rid of -2 we add 2 to both sides, whatever we do to the left we do to the right and vice versa. When we add 2 to 6 we get 8 and that is how we got our answer.

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Let e f (x) = x2 – 2x - 4 What is the average rate of change for the quadratic function from X = -1 tox to x = 42 Enter your ans

sammy [17]

Answer:

The average rate of change of the given function

A(x) = 1

Step-by-step explanation:

Step(i):-

Given function f(x) = x² - 2x -4

And given that x = a = -1 and x=b = 4

The average rate of change of the given function

$A(x) = \frac{f(b)-f(a)}{b-a}$

Step(ii):-

f(x) = x² - 2x -4

f(-1) = (-1)² - 2(-1) -4 = 1+2-4 = -1

f(4) = 4² -2(4) -4 = 16 -12 = 4

The average rate of change of the given function

$A(x) = \frac{f(b)-f(a)}{b-a}$

$A(x) = \frac{4-(-1)}{4-(-1)} = \frac{5}{5} = 1$

final answer:-

The average rate of change of the given function

A(x) = 1

5 0

2 years ago

Read 2 more answers

A sign painter paints individual numerals for a row of 50 houses. The houses are numbered with consecutive integers from 1 to 50

Iteru [2.4K]

Answer: 5

List out the numbers from 1 to 50. Then go through that list and circle any numbers that have 9 in them. Those numbers are:
9, 19, 29, 39, 49
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3 0

2 years ago

the local movie theatre collected a total of $8,250 last night, of which 45% came from sales at the concession stand. how much m

Wewaii [24]

45%=0.45

8,250x0.45
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The theater collected $3712.50 at the concession stand.

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3 years ago

An airplane left Miami, FL. At the same time another plane left Santiago, Chile. The two planes flew toward each other at rates

Zinaida [17]

Answer:

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Step-by-step explanation:

First we use the concept of relative speed.

The rates of the 2 planes are 625 mph & 575 mph.

Relative speed will be:

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=625+575

=1,200 mph

Distance=4200 miles

Thus the time taken for them to meet will be:

Time=distance/speed

=4200/1200

=3.5 hours

We therefore conclude that the planes met after 3.5 hours.

Hope this helps!

6 0

3 years ago

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I need this quick pls will mark brainliest write in slope intercept

gayaneshka [121]

Answer:

-5,3,4

Step-by-step explanation:

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2 years ago