Give in, interval notation, the unknown numbers in the following description. When 4 is added to twice a number, the result is greater than it equal to 18.

Answers

Answer 1

Answer: The answer is 8 hope this helps all u have to do is figure out what two numbers added togher give you 18

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What is the mean median and mode of the data set 35,44,77,68,43,55,28

Answers

Mean:

Median:

Mode:

35, 44, 77, 68, 43, 55, 2

Answer:

There's no mode. The median is 44. The mean is 50.

Step-by-step explanation: Mean is 35+44+77+68+43+55+28=350/7=50 You divide by 7 because there are 7 numbers. Median is the middle number. There are no repeated numbers so there's no mode.

Round the underline number 567.63 and 7 is underlined

Answers

By rounding the 7, the answer is 568.00

A square tray has an area of 196 square inches. What is the length of one side of the tray? A. 12 inches B. 13 inches C. 14 inches D. 16 inches

Answers

um my answer is 14 in

mrs Singh bought 9 folders 9 notebooks. The cost of each folder is $2.50 and the cost of each notebook is $4 write two equivalent expressions then find the answer

Answers

He bought 3 folders and 2 notebooks

Let the cost of folder books be x
Let the cost of notebooks be y

We are told that mrs Singh bought 9 folders and 9 notebooks,

If the cost of each folder is $2.50 and the cost of each notebook is $4, then;

2.5x = 9 and 4y = 9

Get the value of x:

2.5x = 9

x = 9/2.5

x = 3.6

Get the value of y;

4y = 9

y = 9/4

y = 2.25

Hence he bought 3 folders and 2 notebooks

Learn more on eqautions here: brainly.com/question/2972832

Answer:

$58.50

Step-by-step explanation:

First, you write the 2 expressions.

9(2.50+4) = 9(2.50)+4; $58.50

2.50 + 4 = $6.50

$6.50*9 = $58.50

Hope this helps.

Use the following graph of the function f(x) = 3x4 − x3 + 3x2 + x − 3 to answer this question: graph of 3 x to the fourth, minus x cubed, plus 3 x squared, plus x minus 3. What is the average rate of change from x = 0 to x = 1?

Answers

For this case we have the following function:
$f (x) = 3x ^ 4 - x ^ 3 + 3x ^ 2 + x - 3$
By definition we have that the average rate of change is given by:
$AVR = (f(x2)-f(x1))/(x2-x1)$
We evaluate the function for the given interval:
For x = 0:
$f (0) = 3 (0) ^ 4 - (0) ^ 3 + 3 (0) ^ 2 + (0) - 3f (0) = - 3$
For x = 1:
$f (1) = 3 (1) ^ 4 - (1) ^ 3 + 3 (1) ^ 2 + (1) - 3f (1) = 3$
Substituting values we have:
$AVR = (3-(-3))/(1-0)$
Rewriting we have:
$AVR = (3+3)/(1-0)$
$AVR = (6)/(1)$
$AVR =6$
Answer:
the average rate of change from x = 0 to x = 1 is:
$AVR =6$

Answer:

Average rat of change of function is 6 from x = 0 to x = 1.

Step-by-step explanation:

We are given a function:

$f(x) = 3x^4 - x^3 + 3x^2 + x - 3$

The attached image shows the graph for the given function.

Average rate of change of function =

$\text{Average rate of change} = \displaystyle(\delta y)/(\delta x) = (f(b)-f(a))/(b-a)$

Now we will evaluate f(1) and f(0).

$f(x) = 3x^4 - x^3 + 3x^2 + x - 3\nf(1) = 3(1)^4 - (1)^3 + 3(1)^2 + (1) - 3 = 3\nf(0) = 3(0)^4 - (0)^3 + 3(0)^2 + (0) - 3 = -3$

Putting the values, we get,

$\text{Average rate of change} = \displaystyle(f(1)-f(0))/(1-0)\n\n= (3-(-3))/(1-0) = (6)/(1) = 6$

Thus, the average rat of change of function is 6 from x = 0 to x = 1.

Dmitri wants to cover the top and sides of this box with glass tiles that are 1 cm square. How many tiles will he need?The dimensions are 23 cm, 12 cm, and 7 cm.

Answers

I think the answer would be 1932 tiles cubed, I think you might need help from someone else though, sorry.

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