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vivado [14]
3 years ago
11

Which lines are perpendicular to the line y - 1 = 1/3(x+2)? Check all that apply.

Mathematics
2 answers:
Romashka-Z-Leto [24]3 years ago
8 0
The slope of the given line is 1/3.

The perpendiculars all have the negative reciprocal slope, -3.

<span>A. y + 2 = -3(x-4)

Yes, slope -3.

B. y - 5 = 3(x+11)

No, slope 3.

C. y = -3x - 5/3

Yes, slope -3.

D. y = 1/3  x - 2

No, that's slope 1/3.

E. 3x + y = 7
</span>
That's

y = -3x + 7

Another slope -3, Yes.
lesya692 [45]3 years ago
4 0

Answer:

a c e

Step-by-step explanation:

You might be interested in
1/2(8-x)=10<br> A.12<br> B.3<br> C.-12
Murljashka [212]
4-1/2x=10
-1/2x=6
3
so your answer would be B
hope that helps
7 0
3 years ago
An investment of $900 earns 6% annual interest and is compounded semi-annually. Write an equation
nalin [4]

Answer:

A=900(1+\frac{0.06}{2})^{2(t)}

Step-by-step explanation:

Lets use the compound interest formula provided to solve this:

A=P(1+\frac{r}{n} )^{nt}

<em>P = initial balance</em>

<em>r = interest rate (decimal)</em>

<em>n = number of times compounded annually</em>

<em>t = time</em>

First, change 6% into a decimal:

6% -> \frac{6}{100} -> 0.06

Since the interest is compounded semi-annually, we will use 2 for n. Lets plug in the values now and your equation will be:

A=900(1+\frac{0.06}{2})^{2(t)}

4 0
2 years ago
Represent the given condition using a single​ variable, x. Three consecutive odd integers.
Iteru [2.4K]
X
X+2
X+4

Those are 3 consecutive odd integers
8 0
3 years ago
In science class, the students were asked to create a container to hold an egg. They would drop this container from a window tha
Rama09 [41]

Answer:

7.8 seconds

Step-by-step explanation:

6 0
3 years ago
Can someone explain how you got the answer!!
gavmur [86]

9514 1404 393

Answer:

  20 square units

Step-by-step explanation:

The area is given by the formula ...

  A = bh

where b is the base of the parallelogram, and h is the perpendicular distance between the parallel bases. Using the numbers from the figure, we have ...

  A = 5·4 = 20 . . . . square units

_____

<em>Additional comment</em>

You will notice this is the same formula as is used for a rectangle. You can consider the parallelogram to have the same area as a rectangle of these dimensions if you look at what happens when you cut the right triangle from the right end and add it to the left end. The result is a rectangle 5 units wide and 4 units high.

The same formula applies even if the skew is so great that the bases do not overlap. (That much skew would not result in a triangle of the kind shown in this diagram.)

6 0
3 years ago
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