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Artist 52 [7]
3 years ago
10

Slope of line that passes through points (2,1) and (17,-17)

Mathematics
1 answer:
mojhsa [17]3 years ago
7 0

Answer: y = -1,2x + 3.4

Step-by-step explanation:

y = ax + b

(2,1)      => 1    = 2a + b (1)

(17,-17) => -17 =17a + b (2)

Using caculator Mode => 5 =>1

We get : a=- 1.2 , b = 3.4

=> y = -1.2x + 3.4

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13 = -7 + 9x - 5x<br> X =
brilliants [131]

Answer:

x = 5

Step-by-step explanation:

Given

13 = - 7 + 9x - 5x , that is

13 = - 7 + 4x ( add 7 to both sides )

20 = 4x ( divide both sides by 4 )

5 = x

3 0
3 years ago
Two similar cylinders have surface areas of 40 π square feet and 90 π square feet. What is the ratio of the height of the large
Sergio [31]
The ratio would be 90pi/40pi.

Hope this helps:)

4 0
3 years ago
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
Alisiya [41]
The answer is <span>2(–4y + 13) – 3y = –29

Step 1: Express </span><span>x from the second equation
Step 2: Substitute x into the first equation:

The system of equations is:
</span><span>2x – 3y = –29 
x + 4y = 13

Step 1: 
</span>The second equation is:    x + 4y = 13
Rearrange it to get x:         x = - 4y + 13

Step 2:
The first equation is:          2x – 3y = –29 
The second equation is:    x = - 4y + 13
Substitute x from the second equation into the first one:
2(-4y + 13) - 3y = -29

Therefore, the second choice is correct.
5 0
3 years ago
Evaluate the expression for x = 3 y= 1/3 and z= 5. 12 x - 3y / 4 x - Z​
4vir4ik [10]

Answer:

5

Step-by-step explanation:

12 x - 3y / 4 x - Z

=12×3-3×1/3÷4×3-5

=36-1/12-5

=35/7

=5

So the final answer is 5.

5 0
3 years ago
What is 2153 divided by 6
9966 [12]

Answer:

358.833333333:

8 0
3 years ago
Read 2 more answers
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