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Verizon [17]
3 years ago
12

The following system of equations is graphed below.

Mathematics
1 answer:
navik [9.2K]3 years ago
3 0
One way is subsitute
I like solving

so

what you do is this
add the equaitons to gether to eliminate x

2y=x+5
<u>3y=-x-3 +</u>
5y=0x+2
5y=2
y=2/5

sub back


2y=x+5
2(2/5)=x+5
4/5=x+5
minus 5
4/5-25/5=x
-21/5=x

the point is (x,y) or
(-21/5,2/5)
aprox
(-4.2,0.4)
I think they wanted you to read the garph you should have attached and guess the answer
the closes one is
hmm, x=-3
and y=1

so then D is the answer

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Expand the polynomial:<br> (5a+1/5 b)^2
WINSTONCH [101]
Expand the following:
(5 a + b/5)^2

(5 a + b/5) (5 a + b/5) = (5 a) (5 a) + (5 a) (b/5) + (b/5) (5 a) + (b/5) (b/5):
5×5 a a + (5 a b)/5 + (5 b a)/5 + (b b)/(5×5)

(5 a b)/5 = 5/5×a b = a b:
5×5 a a + a b + (5 b a)/5 + (b b)/(5×5)

(b×5 a)/5 = 5/5×b a = b a:
5×5 a a + a b + b a + (b b)/(5×5)

Combine powers. (b b)/(5×5) = (b^(1 + 1))/(5×5):
5×5 a a + a b + b a + (b^(1 + 1))/(5×5)

1 + 1 = 2:
5×5 a a + a b + b a + (b^2/5)/5

5 a×5 a = 5×5 a^2:
5×5 a^2 + a b + b a + (b^2/5)/5

5×5 = 25:
Answer:  25 a^2 + a b + b a + (b^2/5)/5
3 0
3 years ago
Read 2 more answers
An item cost 50 is marked up 20% off.Sales tax for the item is 8%.What is the final price including tax?
sashaice [31]

$64.80 50+20%+8% tax then you get 64.80

4 0
3 years ago
No biggy just need some help
Temka [501]

Answer:

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Step-by-step explanation:

th prize will drop betwen 5 and 6 years.

i think its the correct answer

8 0
2 years ago
Please help me asap!!!
Ber [7]

Answer:

你看chart的triangle你看the dimension

Step-by-step explanation:

7 0
2 years ago
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anastassius [24]
Social security tax
Medicare tax
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and tbh there are a lot of deductions to expect
5 0
3 years ago
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