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otez555 [7]
4 years ago
6

Leslie determined that the system of equations below has infinitely many solutions. Is she correct?

Mathematics
2 answers:
Misha Larkins [42]4 years ago
8 0

Answer:

D. No, the system of equations has no solution.

Step-by-step explanation:

To find out whether Lisa is correct, lets solve by following the steps below;

x=4y-4 -------------------------------------------------------------------(1)

2x-8y=-24--------------------------------------------------------------(2)

Lets rearrange equation (1)

x - 4y = -4 ------------------------------------------------------------------(1)

2x-8y=-24--------------------------------------------------------------(2)

Multiply through equation (1)  by 2  

2x-8y=-24--------------------------------------------------------------(2)

2x - 8y = -8 --------------------------------------------------------(3)

subtract (2) from equation (1)

0 =-16

but 0 ≠  -16

This implies that the system of equations has no solution.

Nookie1986 [14]4 years ago
6 0

Answer:

Leslie determined that the system of equations below has infinitely many solutions. Is she correct?  

x=4y-4

2x-8y=-24

A.Yes, Leslie is correct.

B. No, the solution is (-8,-24)

C. No, the solution is (0,-16)

<u>D. No, the system of equations has no solution. </u>

Step-by-step explanation:

you have to solve they as a pair of simultaneous equations and their is no solutions

if you need a more detailed explanation post the question again and i will write a detailed explanation

plz mark as brainliest


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A triangular flag has an area of 187.5 square inches. The base of the flag measures 25 inches. How tall is the triangular flag?
german
15 inches
the formula for the area of a triangle is Area=(1/2)(base)(height)
since the problem is looking for the height, we can rewrite it as
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3 years ago
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The answer and how to do it.
solmaris [256]
The best method for solving # 1 is substitution
x - 0.9y = 4.5......x = 0.9y + 4.5
now sub 0.9y + 4.5 in for x in the other equation
1.5(0.9y + 4.5) - 1.9y = -29 ----distribute through the parenthesis
1.35y + 6.75 - 1.9y = -29
1.35y - 1.9y = -29 - 6.75
-0.55y = -35.75
y = -35.75 / -0.55
y = 65

x - 0.9y = 4.5
x - 0.9(65) = 4.5
x - 58.5 = 4.5
x = 4.5 + 58.5
x = 63
solution is (63,65)

The best method for solving # 4 is by elimination
14x + 7y = 217
14x + 3y = 189...multiply by -1
-----------------
14x + 7y = 217
-14x - 3y = -189 (result of multiplying by -1)
----------------add
4y = 28
y = 28/4
y = 7

14x + 7y = 217
14x + 7(7) = 217
14x + 49 = 217
14x = 217 - 49
14x = 168
x = 168/14
x = 12
solution is (12,7)



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3 years ago
Whats the are and perimeter for this pls help
Oliga [24]

Answer:

the area is 64 the perimeter is 30

Step-by-step explanation:

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