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pashok25 [27]
3 years ago
6

Help me pleaseeeeeee

Mathematics
1 answer:
Vikki [24]3 years ago
3 0
I think they are equivalent (A) but u should get a second opinion.
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Which of the following best describes the solution to the system of equations below?
OverLord2011 [107]

Answer: OPTION A

Step-by-step explanation:

The equation of the line in slope-intercept form is:

y=mx+b

Where m is the slope and b the y-intercept.

Solve for y from each equation:

\left \{ {{5y=-4x+7} \atop {10y=-8x+14}} \right.\\\\\left \{ {{y=\frac{-4}{5}x+\frac{7}{5}} \atop {y=\frac{-8}{10}x+\frac{14}{10}}} \right.\\\\\left \{ {{y=\frac{-4}{5}x+\frac{7}{5}} \atop {y=\frac{-4}{5}x+\frac{7}{5}}} \right.

As you can see the slope and the y-intercept of each equation are equal, this means that both are the exact same line. Therefore, you can conclude that the system has infinitely many solutions.

3 0
3 years ago
It is a Saturday morning and Jeremy has discovered he has a leak coming from the water heater in his attic. Since plumbers charg
Jet001 [13]
The answer is
A
"For every half an hour there is 1/5 of the bucket is filled"    Hope I helped                                                                                 
B: Not sure not very good at equations :(                                                      
C: Well there is Half an hour so if you multiply that by 5 then its. 2 1/2 hours :)
Hope I helped








4 0
4 years ago
Read 2 more answers
A card is drawn from the deck. What is the probability it is either black face card or a<br> spade?
IRINA_888 [86]

Answer:

about 37% chance or, rounding to the nearest tenth, 36.5% chance

Step-by-step explanation:

since there are only 6 black face cards out of 52 cards, so the fraction is 6/52

there are also 13 spade cards out of 52 cards, so the fraction is 13/52

to find the percent you have to add the two fractions becuase all you want to do is draw a black face card or a spade card. when you add them you get 19/52

then dividing the fraction gives you .3653846154 on my calculator :)

4 0
4 years ago
What are the solutions of the system? Solve by graphing. y=x^2-2x-1, y = -2
pychu [463]
I used desmos online.

(1,-2)
5 0
4 years ago
Jacinta, an internet website designer, works a 38 hour week and earns $3115.35 every fortnight. Calculate her earnings:
sveticcg [70]

Step-by-step explanation:

total working duration = 2 weeks

Working duration in hours = 38× 2= 76 hours

a) per year

24*3115.35 = $74768

b) 3115.35/2

$1557.675

c)

3115.35/76

$40.99

6 0
3 years ago
Read 2 more answers
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