All categories

3 years ago

What is an equation of the line that passes through the points (3,−4) and (3,8)

Mathematics

1 answer:

Debora [2.8K]3 years ago

3 0

Answer:

x = 3.

Step-by-step explanation:

In this case, the x-value never changes, no matter the value of the y. So, x will always equal 3. Your equation is x = 3.

Hope this helps!

You might be interested in

Pls help me in these two little exercises about the slope.

den301095 [7]

Answer:

3) $y=\dfrac35x+\dfrac25$

4) a) $y=-2x+7$

b) $y=\dfrac12x+\dfrac92$

Step-by-step explanation:

<u>Exercise 3</u>

$-3x + 5y = 2$

$\implies 5y = 3x + 2$

$\implies y=\dfrac35x+\dfrac25$

<u>Exercise 4</u>

a) If L2 is parallel to L1, it has the same slope (gradient) ⇒ $m = -2$

If L2 passes through point (3, 1):

$y-y_1=m(x-x_1)$

$\implies y-1=-2(x-3)$

$\implies y=-2x+7$

So L2 = L1

b) If L3 is perpendicular to L1, then the slope of L3 is the negative reciprocals of the slope of L1 ⇒ $m = \dfrac12$

If L3 passes through point (-5, 2):

$y-y_1=m(x-x_1)$

$\implies y-2=\dfrac12(x+5)$

$\implies y=\dfrac12x+\dfrac92$

4 0

2 years ago

Read 2 more answers

What is the ratio of blue shapes to all shapes in the set below

Reika [66]

What you can do is count all the shapes the put the number of blue with that into a fraction. Lets say that there are 24 shapes and 15 are blue the fraction would be 15/25

Hope this helped. If you post a pic I can help you more.

5 0

3 years ago

Read 2 more answers

A group of 50 New York psychology students got a mean score of 530 on the psychology GRE with a standard deviation of 80. These

lesantik [10]

Answer: No, New York students are not truly more nerdy than the California students.

Step-by-step explanation:

Since we have given that

Number of students in a group = 50

Mean score of New York psychology = 530

Mean score of California psychology = 515

Standard deviation = 80

So, we will find t-distribution first.

$t=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}\\\\t=\dfrac{530-515}{\dfrac{80}{\sqrt{50}}}\\\\t=1.32$

Let α = 5% = 0.05

So, $t_{\alpha,2}=2.920$

Since t < t(critical value)

No, New York students are not truly more nerdy than the California students.

3 0

3 years ago

Fine the product:3 x 5 (2)

Delvig [45]

Answer:

30 because 3 x 5=15 then x2 it's 30

3 0

3 years ago

What is the perimeter of a semicircle if the diameter is 2

e-lub [12.9K]

Answer:

Step-by-step explanation:

d = 2

arc length of semicircle = ½×circumference = ½×πd = π

perimeter of semicircle = π + d = π+2

4 0

2 years ago

Read 2 more answers