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Kazeer [188]
2 years ago
9

Which description is represented by a discrete graph?

Mathematics
2 answers:
Phoenix [80]2 years ago
8 0

The answer is A: Kiley bought a platter for $19 and several matching bowls that were $8 each. What is the total cost before tax?  Just took the test.

Butoxors [25]2 years ago
7 0

Answer:

C.) Juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. What is the total amount of calories he consumed?

Step-by-step explanation:

A discrete graph is a series of scatter plot points. It means point on graph aren't continuous manner.

Option A) Kiley bought a platter for $19 and several matching bowl that were $8 each. If she bought x number of bowl her total cost would be

C(x)=19+8x . This is linear function and the graph of linear function is continuous.  

This is not discrete graph.

Option B) Temperature at 9:00 AM was 83°F and heating up average rate of 6°F per hour.

Temperature after t hours would be

T(t)=83+6t . This is linear function and the graph of linear function is continuous.  

This is not discrete graph.

Option C) Juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast.

Total calories = 78 + 110 . Total calories not depend on any variable.

This is discrete graph.

Option D) a bottle contained 2,000 mL of liquid and is being poured at an average rate of 300 mL per second

W(t)=2000-300t , This is linear function and the graph of linear function is continuous.

This is not discrete graph.

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Answer:

23(6,8)(3,3)(13-3)(-3-)

Step-by-step explanation:

8-3=3-6

+13-3=

23

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2 years ago
Olivia drives 90 miles in 2 hours. She drives 225 miles in 5 hours. She writes an equation in the form y=mx to represent the num
saul85 [17]

Answer:

y=270\textrm{ miles}

Step-by-step explanation:

Given:

Number of miles is represented by y and number of hours is represented by x.

The equation to show the relationship between x and y is y=mx

Now, for x=2,y=90

Plug in the above equation and solve for m. This gives,

90=m(2)\\m=\frac{90}{2}=45\textrm{ mi/h}

Hence, the equation is y=45x.

Now, if the line passes through (6,y), then x = 6.

So, y=45(6)=270\textrm{ miles}

Therefore, the value of y is 270 miles.

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2 years ago
Each month Liz pays $35 to her phone company just to use the phone. Each text she sends costs her an additional $0.05. In March
olchik [2.2K]
First let's set up an equation: 35+0.05t. 
35 is the phone rate per month plus the number of texts (t) times 0.05 (cost of 1 text)

Now we can find the amount of texts she sent each month.

March
 35+0.05t=72.60
-35               -35
0.05t=37.60
------   -------
0.05    0.05
t=752

April
 35+0.05t=65.85
-35            -35
0.05t=30.85
------   -------
0.05    0.05
t=617

She sent 752 texts in March and 617 texts in April.


7 0
2 years ago
Which fraction can be replaced with
sukhopar [10]

Answer:

7/16

Step-by-step explanation:

don't ask me to explain because I won't sorry have a nice day‍♀️

7 0
1 year ago
Read 2 more answers
A jet plane travels 2 times the speed of a commercial airplane. The distance between Vancouver
KATRIN_1 [288]

Answer:

The time of a commercial airplane is 280 minutes

Step-by-step explanation:

Let

x -----> the speed of a commercial airplane

y ----> the speed of a jet plane

t -----> the time that a jet airplane takes  from Vancouver to Regina

we know that

The speed is equal to divide the distance by the time

y=2x ----> equation A

<u><em>The speed of a commercial airplane is equal to</em></u>

x=1,730/(t+140) ----> equation B

<u><em>The speed of a jet airplane is equal to</em></u>

y=1,730/t -----> equation C

substitute equation B and equation C in equation A

1,730/t=2(1,730/(t+140))

Solve for t

1/t=(2/(t+140))

t+140=2t

2t-t=140

t=140 minutes

The time of a commercial airplane is

t+140=140+140=280 minutes

5 0
2 years ago
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