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emmasim [6.3K]
3 years ago
8

Can someone please answer this

Mathematics
1 answer:
just olya [345]3 years ago
6 0

Answer:

y = -0.6x + 24.6

Step-by-step explanation:

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Write the equation of the line that passes through (3, 4) and (2, −1) in slope-intercept form. (2 points) a y = 3x − 7 b y = 3x
sashaice [31]

Answer: y = 5x − 11

Step-by-step explanation:

The equation of a straight line can be represented in the slope-intercept form, y = mx + c

Where c = intercept

Slope, m =change in value of y on the vertical axis / change in value of x on the horizontal axis represent

change in the value of y = y2 - y1

Change in value of x = x2 -x1

y2 = final value of y

y 1 = initial value of y

x2 = final value of x

x1 = initial value of x

The line passes through (3,4) and (2, -1),

y2 = - 1

y1 = 4

x2 = 2

x1 = 3

Slope,m = (- 1 - 4)/(2 - 3) = - 5/- 1 = 5

To determine the y intercept, we would substitute x = 3, y = 4 and m= 5 into

y = mx + c. It becomes

4 = 5 × 3 + c

4 = 15 + c

c = 4 - 15 = - 11

The equation becomes

y = 5x - 11

8 0
3 years ago
Find the cosine of angle A to the nearest 100th.
Sauron [17]

Answer:

{ \tt{ \cos(A) =  \frac{ \sqrt{700} }{40}  }} \\  { \tt{ \cos(A) = 0.66 }}

4 0
3 years ago
Rectangular pyramid:volume 448 inches cubed, base edge 12 inches.;base length 8 inches
saw5 [17]
Whats your question?
4 0
3 years ago
Find the sum of 1/6and 7/12 in lowest terms.
disa [49]

Answer:3/4

Step-by-step explanation:

Multiply 1/6 by 2 to get 2/12 and then add that to 7/12 and get 9/12

If you simplify that you end up with 3/4

6 0
3 years ago
Read 2 more answers
Will mark brainliest, please answer correctly!!!
Mariana [72]

Answer:

The length of BC is 17 units

Step-by-step explanation:

we know that

An isosceles triangle has two equal sides and two equal angles

In this problem we have an isosceles triangle

Because

m∠ACB=m∠ABC ----> given problem

so

AC=AB

substitute the given values

x+9=2x-8

solve for x

2x-x=9+8

x=17

therefore

The length of BC is 17 units

5 0
3 years ago
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