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mina [271]
3 years ago
14

A classroom has an area of and + 15x - 21 and a length of 2x + 7. What is the width of the classroom

Mathematics
2 answers:
vesna_86 [32]3 years ago
8 0

Answer:

bsbbshsbnaonwnwnwnsbbsvjqbs bs

charle [14.2K]3 years ago
4 0

7 feeties

Step-by-step explanation:

ok ok ok okkkkkkkkkkkkkkkk

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Find the slope and y-intercept for the two linear functions.
tankabanditka [31]

Answer: Slope of the line given in the table: m = - 0.25

Y-intercept of the line given in the table: b = -4

Slope of the line given by the equation: m = 1.5

Y-intercept of the line given by the equation: b = 1

Step-by-step explanation: <u>Slope</u> of an equation is an indication of the steepness and direction of a linear graph. It is denoted as m and it can be calculated as:

m = \frac{y_{2} - y_{1}  }{x_{2} - x_{1} }

Another way of determining the slope is as the form:

y = mx+b

<u>For the table</u>:

As in the table there are only points:

m = \frac{-3 + 2.5}{-4+6}

m = - 0.25

<u>For the function</u>:

The function is:

y = 3/2x + 1

m = 3/2

m = 1.5

<u>Y-intercept</u> is where the linear function crosses the y-axis, or when x=0. It can also be represented by the letter b.

<u>For the table</u>:

y = mx + b

According to the table, when y = -2.5, x = -6

-2.5 = - 0.25. (-6) + b

b = -2.5 - 1.5

b = -4

<u>For the function:</u>

y = 1.5x + 1

b = 1

In conclusion:

  • For the table: m = - 0.25 b = - 4
  • For the equation: m = 1.5 b = 1
8 0
4 years ago
Read 2 more answers
HELP ME FAST PLEASE!!!!!
Dmitry [639]

Answer:

the first one

Step-by-step explanation:

kkrkrkrkrkrk

4 0
3 years ago
Read 2 more answers
PLEASE HELP ME IM BEGGING
RideAnS [48]

Answer:

\frac{4}{25}

Step-by-step explanation:

there are a total of 20 marbles and the chance that it is blue is 8/20 so multy that by itself and the answer is 4/25

3 0
3 years ago
Read 2 more answers
Eva wants to buy a bicycle.The bicycle costs $240.Eva already has $42 saved.She babysits for $12 per hour.Eva needs to babysit f
dimulka [17.4K]

Hi,

She lacks  240-42 = 198

She earns 12 usd per hours  so :   198 /12 =   16.5

3 0
4 years ago
D. What value should be assigned to choosing two chips with the number 1 to make
Snezhnost [94]

The value should be assigned to choosing two chips with the number 1 to make the game fair is 5

<h3>What is probability?</h3>

It is a branch of mathematics that deals with the occurrence of a random event.

The complete question is....

Miguel is playing a game in which a box contains four chips with numbers written on them. Two of the chips have the number 1, one chip has the number 3, and the other chip has the number 5. Miguel must choose two chips, and if both chips have the same number, he wins $2. If the two chips he chooses have different numbers, he loses $1 (–$1). a. Let X = the amount of money Miguel will receive or owe. Fill out the missing values in the table. (Hint: The total possible outcomes are six because there are four chips and you are choosing two of them.) Xi 2 –1 P(xi) b. What is Miguel’s expected value from playing the game? c. Based on the expected value in the previous step, how much money should Miguel expect to win or lose each time he plays? d. What value should be assigned to choosing two chips with the number 1 to make the game fair? Explain your answer using a complete sentence and/or an equation.

Now, for fair game the expected value =0

let the amount assigned be x

So,

1/6x-5/6=0

1/6x=5/6

x=5.

Learn more about this concept here:

brainly.com/question/11905174

#SPJ1

8 0
2 years ago
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