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Vesna [10]
2 years ago
7

Use the distributive property to write an equivalent expression.

Mathematics
1 answer:
wlad13 [49]2 years ago
8 0

Answer:

14x+35y-35

Step-by-step explanation:

distribute the 7 to each term

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Gianna is going to throw a ball from the top floor of her middle school. When she throws the hall from 48 feet above the ground,
vazorg [7]

Answer:

So, the times the ball will be 48 feet above the ground are t = 0 and t = 2.

Step-by-step explanation:

The height h of the ball is modeled by the following equation

h(t)=-16t^2+32t+48

The problem want you to find the times the ball will be 48 feet above the ground.

It is going to be when:

h(t) = 48

h(t)=-16t^{2}+32t+48

48=-16t^{2}+32t+48

0=-16t^{2}+32t+48 - 48

16t^{2} - 32t = 0

We can simplify by 16t. So

16t(t-2)= 0

It means that

16t = 0

t = 0

or

t - 2 = 0

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So, the times the ball will be 48 feet above the ground are t = 0 and t = 2.

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3 years ago
There are 45 students for 5 busses. What is the unit rate?
sertanlavr [38]
For each bus there will be 9 students
5 0
2 years ago
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The graph shows the altitude of a helicopter over time. A graph measuring altitude and time. A line runs through coordinates (0,
TiliK225 [7]

We can calculate for the slope of the line using the formula:

m = (y2 – y1) / (x2 – x1)

 

From the given values:

m = (4,000 – 10,000) ft / (15 – 0) min

m = -400 ft/min

This means that the altitude is decreasing by 400 ft per minute.

 

 

> The slope is –400 . This means that the helicopter descends 400 ft each minute.

4 0
3 years ago
Which of the following values are solutions to the<br> inequality –8 + 2x &gt; 5
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Answer:

6

Step-by-step explanation:

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3 0
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Fitness Classes cost £6 per person. The table shows the number of people who go to the classes on Thursday, Friday and Saturday.
Pachacha [2.7K]

Answer:

£216

Step-by-step explanation:

  • Cost = £6 per person
  • Teacher earns = 90% of total

<u>Total number of people:</u>

  • 13 + 11 + 16 = £40

<u>Total paymen</u>t:

  • 40*6= £240

<u>Teacher earns in total per given week:</u>

  • 240*90/100 = £216

7 0
3 years ago
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