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2 years ago

What are the values of x and y

Mathematics

1 answer:

KATRIN_1 [288]2 years ago

7 0

I’m sorry, but I believe that you have forgotten to attach the image. It would be impossible to solve without it. Please feel free to message me if you need help with this problem once the image it attached. Sorry for the inconvenience.

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At the beginning of the year agent savings account balance was $28. Each week he deposits another $15 into that account and it d

igomit [66]

Account balance is not proportional to the number of weeks.

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2 years ago

Evaluate the function: f(x)= 2x+5, for x=3

JulijaS [17]

Replace X with 3 and simplify. The answer you would get is 11.

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3 years ago

Read 2 more answers

The area of the square is 100 square centimeters. What is the area of the circle?

Setler79 [48]

$length \: of \: 1 \: side = diameter$

$area \: = {l}^{2} \\ 100 = {l}^{2} \\ \sqrt{100} = l \\ l = 10$

$diameter = 2 \times radius \\ 10 = 2 \times radius \\ radius = 5$

$circle \: area = pi \times {r}^{2} \\ circle \: area = 3.142 \times {5}^{2} \\ circle \: area = 3.142 \times 25 \\ circle \: area = 78.55 {cm}^{2}$

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2 years ago

Read 2 more answers

(b) As in part (a), how many three-digit phone prefixes are possible that do not start with 0 or 1, but contain 0 or 1 as the mi

Lubov Fominskaja [6]

Answer:

The number of 3-digit phone prefixes that do not start with 0 or 1, but contain 0 or 1 as the middle digit is 160.

Step-by-step explanation:

The phone prefix for any area is of the form X X X.

These prefixes can take values from 0 to 9.

The condition to create a phone prefix is:

The first digit cannot be 0 or 1
The middle digit is either 0 or 1.

The possible number of ways to fill the first place is 8 since 0 or 1 cannot be the first digit.

The possible number of ways to fill the second place is 2 since the middle digit can be occupied by either 0 or 1.

The possible number of ways to fill the last place is 10 since there are no condition applied to the last digit.

Then the number of phone prefixes that can be formed is = $8\times2\times10=160$

Thus, the possible number of phone prefixes possible is 160.

7 0

3 years ago

17. You have $850 to buy new carpet for the game room. The dimensions of the game

gregori [183]

Answer:

Cost of new carpet per square foot should be less than or equal to $3.54.

Step-by-step explanation:

Given:

Money have to buy carpet = $\$850$

dimension of game room is 20 feet by 12 feet

So we can say length l = 20 feet

and width w = 12 feet

let $x$ be the cost per square foot for new carpet.

Assuming game room to be rectangular in shape we will find the area of it.

Area of room = $length \ l \times width \ w = 20 ft\times 12 ft = 240 \ ft^2$

Total area $\times$ cost per square feet ≤ Total money we have

Hence,

$240 \ ft^2 \times x \leq \$850\\\\x\leq \frac{\$850}{240 \ ft^2}\\\\x\leq \$3.54 \ per \ ft^2$

Hence Cost of new carpet per square foot should be less than or equal to $3.54.

3 0

3 years ago