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joja [24]
3 years ago
13

Please answer correctly !!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
zepelin [54]3 years ago
4 0

Answer:

Step-by-step explanation:

∠DEF is congruent to ∠EFA

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Help, please! ASAP!!​
In-s [12.5K]

Answer:

a) one solution

b) no solution

Step-by-step explanation:

Systems of equations can be described as having one solution, no solution or infinite solutions:

One solution:  'x' and 'y' are equal to only one value

No solution:  'x' and 'y' can not be solved with the given equations

Infinite solutions:  values for 'x' and 'y' include all real numbers

In order to evaluate the systems, putting them in the same format is your first step:

a) - y  = -5x - 6 or y - 5x = 6

   y - 5x = -6

Since both equations have the same expression 'y - 5x', but there are equal to opposite values, this system would have no solution, as this would not be possible to calculate.

b) y + 3x = -1

  y = 3x -1 or y - 3x = -1

Solving for 'y' by adding the equations and eliminating 'x', gives us:

2y = -2 or y = -1

Using y = -1 to plug back into an equation and solve for 'x':  -1 + 3x = -1 or x = 0.  Since 'x' and 'y' can be solved for a value, the system has just one solution.

5 0
2 years ago
Isaac has spent $20 to set up cable service and the monthly fee is $54.95. Write an equation to represent the total amount it co
Liono4ka [1.6K]
Do 54.95 + 20.00 and you get 80.95
8 0
3 years ago
Read 2 more answers
A nurse tells Andrew he is six feet tall. What is the equivalent of Andrew's
natita [175]
The answer is 2 yards
4 0
3 years ago
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Find the exponential function that satisfies the given conditions: Initial value = 70, decreasing at a rate of 0.5% per week
sdas [7]
Y = 70 e^(.005x) where x is the time in weeks
6 0
3 years ago
Read 2 more answers
Problem page isabel runs 7 miles in 50 minutes. at the same rate, how many miles would she run in 75 minutes?
sammy [17]
<span>if isabel runs 7 miles in 50 minutes, then you know she runs 7/50 miles in one minute, right? So multiply that by the number of minutes she did run, and you can find the distance:


</span><span> 7
------ x 75 =
50


525
------
50


</span><span> If you plug that fraction into your calculator, you get 10.5, so 10 and a half miles.</span>
8 0
3 years ago
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