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Ratling [72]
4 years ago
10

Solve the equation: x^2 - 6x = 7 A. x = 7 , 1 B. x = -7 , 1 C. x = 7 , -1

Mathematics
1 answer:
Alex777 [14]4 years ago
6 0
<span>x^2 - 6x = 7
(x - 7)(x + 1)= 0 
x = 7, - 1

The answer is: x = 7, -1.</span>
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(2,5) and (0,1) in slope intercept form
ohaa [14]

y = 2x + 1 is the equation of line in slope intercept form

<em><u>Solution:</u></em>

Given that we have to write the slope intercept form

<em><u>Let us first find the slope of line</u></em>

<em><u>The slope of line is given by formula:</u></em>

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

Here the given points are (2, 5) and (0, 1)

(x_1, y_1) = (2, 5)\\\\(x_2, y_2) = (0, 1)

<em><u>Substituting the values in formula,</u></em>

m = \frac{1-5}{0-2}\\\\m = \frac{-4}{-2}\\\\m = 2

Thus slope of line is 2

<em><u>The equation of line in slope intercept form is given as:</u></em>

y = mx + c --------- eqn 1

Where, "m" is the slope and "c" is the y intercept

<em><u>Substitute m = 2 and (x, y) = (0, 1) in eqn 1</u></em>

1 = 2(0) + c

c = 1

<em><u>Substitute c = 1 and m = 2 in eqn 1</u></em>

y = 2x + 1

Thus the equation of line in slope intercept form is found

4 0
3 years ago
Could someone please help me with these two questions (photo included)
saveliy_v [14]

Answer:

7) m<SCA= 3x+3=90°

(since all the angles of a square are right angle)

=>3x=87°

=>x= 29°

8)Opposite angles of a rhombus have equal measure.

So, half of opposite angles of a rhombus have equal measure .

m<1=m<4=37

5 0
3 years ago
If a=(5) and b=(-3)find |a-b|<br> (4). ( 4 )​
alexira [117]

Answer:

8

Step-by-step explanation:

5-(-3)=8

|8|=8

3 0
3 years ago
If you can please solve these for me and give me the steps how you solved it:
larisa86 [58]

Answer:

question number 16 :11 is answer

8 0
3 years ago
Find the mean, median and mode of these sets of data: a. 14,12,24,36,23 c. 2,3,4,5,30 b. 114,112,124,136,123 d. x, 2x,3x,4x,5x
prisoha [69]

Answer:

first u need to rearrange the three sets of data in ascending order

i'll just do a set here as an example

a: 12, 14, 23, 24, 36

Mean: (12+14+23+24+36)/5 = 21.8

Median: 23

Mode: 0 (as none of the datum is repetitive)

4 0
2 years ago
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