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Verizon [17]
3 years ago
12

X + 4y = 13 x - y = 3 systems of equations I need help on a couple of these like ASAP

Mathematics
1 answer:
lara31 [8.8K]3 years ago
4 0
A.)
Slope:-1/4
Y intercept: (0,13/4)
X intercepts:(13,0)
B.)
X intercepts:(3,0)
Y intercepts:(0,-3)
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2b^2+4b–2=0 what is the answer?
s2008m [1.1K]
2b^2+4b-2=0\\
2(b^2+2b-1)=0\\
2(b^2+2b+1-2)=0\\
2((b+1)^2-2)=0\\
2(b+1)^2-4=0\\\
2(b+1)^2=4\\\
(b+1)^2=2\\
b+1=-\sqrt2 \vee b+1=\sqrt2\\
b=-1-\sqrt2 \vee b=-1+\sqrt2


5 0
3 years ago
Adam has dimes and quarters in his pocket. there are 28 coins in all, and they are worth $4.60 altogether.how many quarters does
pochemuha
16 dimes = $1.60
<em>12 quarters</em><em> </em>= $3.00
7 0
3 years ago
The Chens bought their house for $240 000 twenty years ago. They just sold the house
serg [7]

The percent is the new value of the house of the price they paid 20 years ago is 216.67%.

<h3>Percentage</h3>

  • Old price = $240 000
  • New price = $520 000

percent is the new value of the house = New price / Old price

= 520,000 / 240,000 × 100

= 2.16666666666666

= 216.666666666666%

Approximately,

percent is the new value of the house = 216.67%

Therefore, the percent is the new value of the house of the price they paid 20 years ago is 216.67%.

Learn more about percentage:

brainly.com/question/843074

#SPJ1

5 0
1 year ago
A.(1.50,-.50)<br> B.(2,5) or (5,5)<br> C. Infinite solutions <br> D. No real solutions
AlekseyPX
It would have to be awnser choice (a  thank me
8 0
4 years ago
Read 2 more answers
IF AMIT GOT 22 /40 IN HINDI WHAT IS HIS MARK IN 100 PLSSSSSSSS SAY !!!
tatiyna

Step-by-step explanation:

22/40 = 11/20 = (11 * 5)/(20 * 5) = 55/100.

4 0
3 years ago
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