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lina2011 [118]
2 years ago
7

Using a starting position p, a speed s, and a time t, write two expressions for an ending position. One expression should show t

he result of moving right, and one expression should show the result of moving left.
going right:

going left:
Mathematics
1 answer:
joja [24]2 years ago
6 0

Answer:

Step-by-step explanation:

We can use signed numbers to represent the position of an object along a line. We pick a point to be the reference point, and call it zero. Positions to the right of zero are positive. Positions to the left of zero are negative.

When we combine speed with direction indicated by the sign of the number, it is called velocity. For example, if you are moving 5 meters per second to the right, then your velocity is +5 meters per second. If you are moving 5 meters per second to the left, then your velocity is -5 meters per second.

If you start at zero and move 5 meters per second for 10 seconds, you will be  5⋅10=50  meters to the right of zero. In other words,  5⋅10=50 .

If you start at zero and move -5 meters per second for 10 seconds, you will be  5⋅10=50  meters to the left of zero. In other words,

−5⋅10=−50

In general, a negative number times a positive number is a negative number.

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What is the value of the expression below when z=10z=10 and w=4w=4? 2z-3w 2z−3w
denis23 [38]

Answer:

8

Step-by-step explanation:

more details

2(10)-3(4)

20-12

8

7 0
2 years ago
Alan has an annual base salary of $18,000. In addition to his salary, he earns 9% of his total sales (S). If he wants to earn at
aivan3 [116]

The right answer is Option D: S>$300,000.

Step-by-step explanation:

Given,

Base salary of Alan = $18000

Commission = 9% = \frac{9}{100} = 0.09

Amount Alan wants to earn = $45000 or more

Let,

s be the worth he needs to sell.

Therefore,

Base salary + Commission*Total sales>Amount Alan wants to earn

18000+0.09s>45000

0.09s>45000-18000\\0.09s>27000

Dividing both sides by 0.09

\frac{0.09s}{0.09}>\frac{27000}{0.09}\\s>300000

Alan must sold items that worth at least $300,000.

The right answer is Option D: S>$300,000.

Keywords: inequality, division

Learn more about inequalities at:

  • brainly.com/question/4228574
  • brainly.com/question/4279146

#LearnwithBrainly

7 0
3 years ago
What is the answer to this math problem......
Anna [14]
The answer is 20 pounds.
5 0
3 years ago
Read 2 more answers
I need help please :)) I’m not very good at math .. no links okey ......
Gelneren [198K]
You answer is the third option
5 0
2 years ago
Read 2 more answers
u don’t need to do the explanations for the questions. Just answer each expression with correct/incorrect. thank-you :)
tigry1 [53]

Answer:

correct

incorrect

incorrect

correct

5 0
3 years ago
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