Chapter 4: Explain how you can

Mathematics

1 answer:

xxTIMURxx [149]2 years ago

3 0

x-intercept(s):

( 7 , 0 ) , (-1,0)

y-intercept(s):

(0,-7)

Step-by-step explanation:

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Using a scale of 4cm to 1 unit on both axis, what does that mean?

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Answer:

It means that for every 4cm on an axis, it counts as 1 unit.

So for instance, you have a 24cm axis to work with. You would have a total of 6 units on the axis, because each unit is 4cm.

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Please answer quickly Ill give brainliest.

Harman [31]

Answer:

Step-by-step explanation:

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Aleah enjoys swimming and skating with her friends. She has a budget where she spends no more than $80 a month for her activitie

kari74 [83]

a) define the variables
The variables are x and y ; x can represent the number of times Aleah goes swimming ; while y can represents the number of times Aleah goes skating.

b) are there any restrictions on the variables?
The total sum of both activities must be equal or less than $80 a month

c) write a linear inequality to represent this situation
Swimming costs $5 each time and skating costs $4 each time. No more than $80 a month.

5x + 4y < 80

You can graph linear inequality using these coordinates.
x y
16 0
12 5
8 10
4 15
0 20

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2 years ago

Please help me :((((((((((((((((((((((((((

Rainbow [258]

Step-by-step explanation:

x = 51.5

I'm am not sure about it since in the case it is not given that how much miles he walk in total so.

I just added the no. of miles he walk in part A and B so I got x = 51.5

hope this answer helps you dear...take care and stay safe!

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3 years ago

In testing a certain kind of missile, target accuracy is measured by the average distance X at which the missile explodes. The d

3241004551 [841]

Answer:

The answer is c) 761.0

Step-by-step explanation:

Mathematical hope (also known as hope, expected value, population means or simply means) expresses the average value of a random phenomenon and is denoted as E (x). Hope is the sum of the product of the probability of each event by the value of that event. It is then defined as shown in the image, Where x is the value of the event, P the probability of its occurrence, "i" the period in which said event occurs and N the total number of periods or observations.

The variance of a random variable provides an idea of the dispersion of the random variable with respect to its hope. It is then defined as shown in the image.

Then you first calculate E [x] and E [ $x^{2}$ ], and then be able to calculate the variance.