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Alchen [17]
2 years ago
13

How many solutions are there to each of these equations?

Mathematics
1 answer:
Sloan [31]2 years ago
6 0

Answer:

first one, put value of x= -3 and y = 0

second one, pit vale of x=7 and y= -7

Step-by-step explanation:

first one,

-14(-3) -20(0) =42

or, 42-0 = 42

or, 42 = 42

proved

second one,

-14(7) -20(-7) = 42

or, -98 + 140=42

or, 42 = 42

proved

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Find the perimeter of the colored part of the figure. The figure is composed of small squares with side-length 1 unit and curves
harina [27]

Answer:

16.56 in

Step-by-step explanation:

4 sides of the squares are exposed

The radius of each semicircle is 1 since they are against 2 squares.

2pi*r=circumfrence

2pi*1=6.28

6.28/2=3.14 because it's a semicircle

3.14*4=12.56 because there are 4 equal semicircles

12.56+4=16.56

4 0
3 years ago
I really need help please
andrew11 [14]

Answer:look at step by step

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3 years ago
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P(t) = t^2- t; Find p(6)
Mars2501 [29]

Answer:

P(t)=30

Step-by-step explanation:

Plug in t=6 into the equation: P(t)=t^2-t

So P(t)= (6)^2-6

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4 0
3 years ago
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PLEASE HELP!! 50 POINTS!!!!!
OLEGan [10]

Answer:

3\2 is the marked

y cos x,=2

3\2=0.5

x=0.5*2=3.0

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6 0
2 years ago
Does anyone know this answer??
Tanzania [10]

Answer:

6x

Step-by-step explanation:

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(x-3)²=(x-3)(x-3)

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so the answer is 6x

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