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amm1812
3 years ago
5

Help solving????????

Mathematics
1 answer:
babymother [125]3 years ago
3 0
Your answer is C
x=-3 and x=4

Njoy
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(04.02 MC) Triangle ABC has been rotated 90° to create triangle DEF. Write the equation, in slope-intercept form, of the side of
Aleks [24]

Answer:

y  =1 -x

Step-by-step explanation:

Given

A = (4,2)

B = (4,5)

C = (1,2)

D = (2,-4)

E = (5,-4)

F = (2,-1)

Required

Determine the equation of line EF perpendicular to BC at intersect 0,1

<em>The question has missing attachment but it can still be solved;</em>

First, we need to determine the slope of BC using

m = \frac{y_2 - y_1}{x_2 - x_1}

Where

<em></em>(x_1,y_1) = (4,5)<em> Point B</em>

<em></em>(x_2,y_2) = (1,2)<em> Point C</em>

Substitute these values in the above formula

m_1 = \frac{2 - 5}{1 - 4}

m_1 = \frac{- 3}{- 3}

m_1 = 1

Next is to determine the slope of EF;

Since, there are perpendicular: we have

m_1 * m_2 = -1

Substitute -1 for m1

1 * m_2 = -1

m_2 = -1

Next, is to determine the slope of EF at intersect (0,1).

The formula to use is:

y - y_1 = m_2(x - x_1)

In this case;

(x_1,y_1) = (0,1)

Substitute values for m2, x1 and y1

y - 1 = -1(x - 0)

y - 1 = -1(x)

Open the bracket

y - 1 = -x

Add 1 to both sides

y - 1 +1 =1 -x

y  =1 -x

Hence;

The equation is y  =1 -x

3 0
4 years ago
[NEED ANSWERED, ASAP, 15 POINTS AND BRAINILEST IF WELL EXPLAINED]
Scrat [10]

Answer:

c. 2

Explanation:

8 and 10 are a bit off. 8 is exactly on 36, but the number is 37.9

10 is also exactly on 48 too, but the number is 49.2 not 48

(I kinda traced over the line so you can understand better)

8 0
3 years ago
Which expression is equivalent to 1 2/5
Anton [14]
Sorry but your question is unfinished
3 0
3 years ago
Read 2 more answers
What is the equation in point−slope form of the line passing through (1, 2) and (2, 5)?
Gwar [14]

Answer:

B

Step-by-step explanation:

First, find the slope by using change in y divided by change in x.

Change in y = 5 - 2 = 3

Change in x = 2 - 1 = 1

This means that the slope is 3/1 = 3.

Then, you put it in the point-slope form so:

(y - 2) = 3(x - 1)

3 0
3 years ago
SOMEONS PLEASE HELP ME I will mark brainliest!!!
tresset_1 [31]

Answer:

x=9

Step-by-step explanation:

because I asked my in-collage brother who told me

<h2>*<u><em>THIS USER HAS BEEN VERIFIED AND ACCEPTED AS AN OFFICIAL BRAINLY© USER, ALLOWING THAT YOU GOT LUCKY FOR HAVING A PRO ANSWER THIS QUESTION*</em></u></h2>
8 0
3 years ago
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