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Shalnov [3]
3 years ago
12

Which ordered pair is a solution to the system of linear equations Negative 4 x + y = 8 and x minus 5 y = 17? (–4, –3) (–4, 3) (

–3, –4) (–3, 4)
Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
5 0

Answer:

(–3, –4)

Step-by-step explanation:

Given pair of linear equation

-4x+y = 8    

=> y = 8 + 4x _____(1)

x - 5y = 17  (2)

substituting value of y from equation 1 in equation 2 we have

x - 5(8 + 4x) = 17

=> x - 5*8 -5*4x = 17

=> x - 40 - 20x = 17

=> -40 - 19x = 17

=> -19x = 17+40 = 57

=> x = 57/-19 = -3

Thus, x = -3

y = 8 + 4x = 8 +4(-3) = 8 -12 = -4

Thus, y = -4

Hence, paired solution for given equation is (–3, –4).

ddd [48]3 years ago
5 0

Answer:

c i got it right on the test good luck

Step-by-step explanation:

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Vedmedyk [2.9K]

Answer:

We can see that it is an isosceles triangle so base angles are equal.

Step-by-step explanation:

x + x + 56 = 180

2x = 180 - 56

2x = 124

x = 124/2

Therefore x = 62.

4 0
3 years ago
Can anyone give me a way to solve geometric sequence?
MArishka [77]
Geometric sequence is Exponential.
Geometric Recursive
a1=2
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7 0
3 years ago
Classify the triangle shown below. check all that apply? 60 60 60
Stells [14]
Your Answer Is....

A) Acute, C) Equilateral, And D) Isosceles. 

Why?

Acute = All Sides Less Than 90°. Equilateral = All Sides The Same. Isosceles = 2 Or 3 Sides The Same. Therefore, A, C, And D Are Your Answers.

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6 0
3 years ago
Read 2 more answers
What is the slope of a line that passes through the points (-5,-3) and (9,-6)
kipiarov [429]
To find the slope given two points, you need to subtract the two y values over the two x values
(-5,-3)  (9,-6)
-5 will be x1, and -3 will be y1. 9 will be x2, and -6 will be y2. You then need to put the numbers in the correct place in the equation.
y2-y1      -6-(-3)     -9
-------- =   -------- =  ----
x2-x1       9-(-5)     14
Now that we have the slope (-9/14) you can use one of the coordinates to find the value of b.
Let's use (9,-6).
-6=-9/14(9)+b
-6=-81/14+b
+81/14
b=-3/14
Your final equation is y=-9/15x-3/14


7 0
3 years ago
One​ day, the hours without daylight in a particular city was 17 3/4 hours. What was the number of hours of​ daylight? PLS help
Ulleksa [173]

Answer:

6 ¼ hours of Daylight

Step-by-step explanation:

  1. a day = 24 hours
  2. you know that there was 17 ¾ hours of no day light
  3. 17 ¾ = 17.75
  4. 24 - 17.75 = Daylight hours
  5. daylight hours = 6.25
8 0
3 years ago
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