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bezimeni [28]
3 years ago
9

Help me please I don’t know how to get to the end

Mathematics
1 answer:
masha68 [24]3 years ago
6 0

From what I know about slopes, I'm pretty sure that's the path you have to take is the picture below.

For each box, you have to do is count the change in the y-value and the change in the x-value between the points. Once you know those values, you have to divide y by x.

For example, take a look at the first graph. If you count, the change in the y-value is 3 units. The change in the x-value is 5 units. So, since slope is y/x, the slope is 3/5, which would take us to graph to the left.

Don't be afraid to ask any questions! Hope this helped.

Edit: Oh, and for the graphs that have lines that are completely vertical, the slope is undefined. For the graphs with lines that are completely horizontal, the slope is 0.

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Why does a siren have a higher pitch as it approaches you?
Airida [17]

Answer:

Apparent Increase in Wave Frequency

As the ambulance approaches you, the distance between the source of the waves and the observer decreases. Consequently, the siren sounds more shrill as the pitch of the wailing siren 'sounds' higher than its original value, as sound waves reach you 'more frequently'.

Step-by-step explanation

hope this helps

7 0
2 years ago
Read 2 more answers
Given the equation y = 3x − 4, what is the value of x when y = 5? A) 3 B) 6 C) 9 D) 12
timurjin [86]

Answer:

3

Step-by-step explanation:

the equation would be 5 = 3(3) - 4

which is 9 - 4 = 5

7 0
3 years ago
Which statement is true about the data set?
andre [41]

Answer

Step-by-step explanation:

6 0
3 years ago
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One number is 2 less than a second number. Twice the second number is 17 less than 5 times the first
gulaghasi [49]
X=y-2
2y=5x-17
Substituting for x into the second equation, we find
2y=5(y-2)-17
2y=5y-10-17
-3y=-27
y=9
So x=7
Thus, the two numbers are 7 and 9.
4 0
3 years ago
A researcher claims that the average annual salary of part-time community college instructors is at least $45,000. To test this
Doss [256]

Answer:

See explanation

Step-by-step explanation:

Solution:-

- The researcher claims :

" the average annual salary of part-time community college instructors is at least $45,000 "

- We will extract the claim made by the researcher to be the Null hypothesis:

                     Null Hypothesis : μ ≥ $45,000

- Any statement otherwise, or point of rejection criteria will denote the Alternate hypothesis that disbands the claim that:

" the average annual salary of part-time community college instructors is less than $45,000 " :

                    Alternate Hypothesis : μ < $45,000

- This type of test with a sample size of n = 25 < 30 and population standard deviation is also not given hints the use t-test statistics and t-critical value reject the claim.

                     Lower tail - one sample - T-test.

6 0
2 years ago
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