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attashe74 [19]
3 years ago
15

Solve the following system of equations. Enter the y-coordinate of the solution. Round your answer to the nearest tenth 5x+2y=7

-2x+6y=9 is it (0.7,1.7)??
Mathematics
2 answers:
Igoryamba3 years ago
7 0
I got a 2 fractions for the answer the first is 12/17 and the second is 59/34 
gulaghasi [49]3 years ago
4 0
5x + 2y = 7....multiply by 2
-2x + 6y = 9 ....multiply by 5
---------------
10x + 4y = 14 (result of multiplying by 2)
-10x + 30y = 45 (result of multiplying by 5)
--------------add
34y = 59
y = 59/34 = 1.7 <===
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Please help me with this!!
Dennis_Churaev [7]

angle QRP=180-(64+47)

=69°

Using sin rule,

p/sinP=q/sinQ.

7.6/sin64=q/sin47

q=6.2cm

Using the formula;

area=1/2p*qsinR

we have;

1/2×7.6×6.2×sin69°=21.995

answer= 22

7 0
2 years ago
When Ms.Sugar turned on her oven, the temperature inside was 70 degrees. The temperature began to rise at a rate of 20 degrees p
zavuch27 [327]
It took 14 minutes
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:)
3 0
3 years ago
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Please teach me how to work this out?!
Olegator [25]

Answer:

Step-by-step explanation:

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5 0
3 years ago
Write and equation to represent the following statement 28 is 12 less thank K. solve for K K =
steposvetlana [31]

Answer:

K = 40

Step-by-step explanation:

As they said that 28 is 12 less than K , it means that you've to add them to get the answer. So , 28 + 12 = 40 which is represented by the variable "K"

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5 0
2 years ago
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Function 1: y = 4x + 5
vlabodo [156]
Y=mx+b
m=slope

given
y=4x+5
m=4=slope

2.
for the points (x1,y1) and (x2,y2), the slope of the line passing trhough those points is (y2-y1)/(x2-x1)
given
(1,6) and (3,10)
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4>2

the first one has greater rate of change
6 0
3 years ago
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