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Vsevolod [243]
3 years ago
10

Find slope and y intercept for y= -8/7x + 3/4

Mathematics
1 answer:
Naily [24]3 years ago
4 0

Answer:

slope=-8/7 y-intercept= 3/4

Step-by-step explanation:

the slope is going to be the number your multiplying x by and the y-intercept will be the number being added/subtracted after x

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How do you graph equations?
kodGreya [7K]
Put the equation in Slope Intercept Form. Then graph the y-intercept point. From the y intercept point use the slope to find your second point. Finally, draw the line using those points.
6 0
4 years ago
The probability of a randomly selected adult in one country being infected with a certain virus is 0.005. In tests for the​ viru
myrzilka [38]

Answer:

The probability is 12.66%.

This is a low probability, so it is unlikely for such a combined sample to test positive.

Step-by-step explanation:

If the probability of being infected is 0.005, the probability of not being infected is 0.995.

Then, to find the probability of at least one of the 27 people being infected P(A), we can find the complementary case: all people are not infected: P(A').

P(A') = 0.995^{27}

P(A') = 0.8734

Then we can find P(A) using:

P(A) + P(A') = 1

P(A) = 1 - 0.8734

P(A) = 0.1266 = 12.66\%

This is a low probability, so it is unlikely for such a combined sample to test positive.

6 0
4 years ago
A²,b²,c² are consecutive perfect squares.How many natura numbers are lying between a² and c², if a>0
pogonyaev

Answer:

The quantity of natural numbers between a^{2} and c^{2} is 2\cdot (a + b) + 1.

Step-by-step explanation:

If a^{2}, b^{2} and c^{2} are consecutive perfect squares, then both a, b and c are natural numbers and we have the following quantities of natural numbers:

Between b^{2} and c^{2}:

c^{2} = (b+1)^{2}

c^{2} = b^{2}+2\cdot b + 1

c^{2}-b^{2} = 2\cdot b + 1

And the quantity of natural numbers between b^{2} and c^{2} is:

c^{2}-b^{2}-1 = 2\cdot b

Between a^{2} and b^{2}:

b^{2} = (a + 1)^{2}

b^{2} = a^{2} +2\cdot a + 1

b^{2}-a^{2} = 2\cdot a + 1

And the quantity of natural numbers between a^{2} and b^{2} is:

b^{2}-a^{2}-1 = 2\cdot a

And the quantity of natural numbers between a^{2} and c^{2} is:

Diff = 2\cdot a + 2\cdot b + 1

Please observe that the component +1 represents the natural number b^{2}

4 0
3 years ago
1/7 divided by _____ = 14
Arlecino [84]

Answer:

1/7 divided by 1/98 will give you 14

3 0
3 years ago
Read 2 more answers
Which is the correct answer?
yuradex [85]

Step-by-step explanation:

y = x² - 16

x² = y + 16

x = sqrt(y + 16) because x is non-negative.

Hence the inverse function is f^(-1)(x) = sqrt(x + 16). (A)

4 0
3 years ago
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