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Nataly_w [17]
3 years ago
11

Please show your work please

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
5 0
The correct answer is 4. 
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What is the solution to this system of linear equations?<br><br> x + y = 4<br><br> x − y = 6
Amiraneli [1.4K]
X+y = 4, therefore y = 4-x when you rearrange the equation.
You can subsitute this in: x-(4-x) = 6
-4+x = 6-x
x=10-x
2x = 10
x = 5
Substitute x into the previous equation:
5+y = 4
y = 4-5
y = -1
5 0
3 years ago
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What is the area of the obtuse triangle below?
tekilochka [14]
D cause that’s the answer
4 0
2 years ago
7(1 - 76) - 2b = -197
noname [10]

Answer:

b= -164

Step-by-step explanation:

calculate the difference

7x(-75)-2b= -197

multiply the numbers

-525-2b= -197

move the constant to the right- hand side and change the sign

-2b= -197+525

add

-2b=328

divide

b= -164

4 0
3 years ago
What's the nearest tenth of 1.91
Andre45 [30]
1.91 to the nearest tenth is 1.9
5 0
3 years ago
(1+v)(v-7) i need help to solve this question
kramer
(1 + v)(v - 7)

1*(v - 7) + v(v - 7)

1*v - 1*7 + v*v - v*7

v - 7 + v² - 7v

v² - 7v + v - 7

 v² - 6v - 7

I hope this helps.
4 0
3 years ago
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