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valentina_108 [34]
3 years ago
8

How do we know if the line y=x has a postive slope?

Mathematics
2 answers:
Serjik [45]3 years ago
8 0
A line has a positive slope if it is slanting upward, toward the right. A line has a negative slope if it is slanting upward, toward the left.
8_murik_8 [283]3 years ago
3 0
It should be scaling upward.
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Determine the horizontal change of a line with an x-intercept at (-5, 0) and a y-intercept at (0, 4).
Maksim231197 [3]

yrsgjjudbnidhiurdjopokkmmncdtttyyhhhuuij

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2 years ago
The triangles are isosceles and ΔABC : ΔJKL. What is the length of pie?<br>A=2.5cm<br>C=4cm<br>k=5cm
Pavlova-9 [17]
The length of the pie is 20cm2
6 0
3 years ago
3x-7y=2 solve for x. Can you show how you do it?
guajiro [1.7K]
3x-7y=2 ; 3x=2+7y x=2x+7y/3
5 0
4 years ago
Which of the following best describes the relationship between the variables on the scatter plot below?
CaHeK987 [17]

Answer:

A. negative correlation

Step-by-step explanation:

Let two variables x and y, the correlation coefficient r measure to what degree the variables x and y are related.

--- If this coefficient is positive then the relationship will be positive. This means that even an increase in the variable x will produce an increase in the variable y. In the dispersion diagram the points will be grouped, simulating a line of positive slope.

--- If this coefficient is negative then the relation will be negative. This means that even an increase in the variable x will produce a decrease in the variable y. In the dispersion diagram the points will be grouped, simulating a negative slope line.

In the diagram shown it can be noted that as the variable x increases the variable y decreases.

Therefore it can be concluded that the correlation between x and y is negative. The correct option is option A

4 0
3 years ago
If p varies directly with T and p =105 when T=400.Find p when T =500
kumpel [21]

Answer:

<h3>p = 131.25</h3>

Step-by-step explanation:

The variation p varies directly with T is written as

p = kT

where k is the constant of proportionality

To find p when T =500 we must first find the formula for the variation

That's

when p = 105 and T = 400

105 = 400k

Divide both sides by 400

<h3>k =  \frac{21}{80}</h3>

So the formula for the variation is

<h2>p =  \frac{21}{80} T</h2>

when

T = 500

Substitute it into the above formula

That's

p =  \frac{21}{80}  \times 500

Simplify

The final answer is

<h3>p = 131.25</h3>

Hope this helps you

7 0
3 years ago
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