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Nutka1998 [239]
3 years ago
5

1/2x+ y=-7

Mathematics
2 answers:
solniwko [45]3 years ago
4 0

Answer: 6

explanation: I just did it

UkoKoshka [18]3 years ago
3 0

Answer:

Step-by-step explanation:

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Alexxandr [17]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
Barack walks 2 kilometers south and then x kilometers east. ​ ​He ends 5 kilometers away from his starting position. ​ ​ Find x
amid [387]

Answer:

4.6 km

Step-by-step explanation:

-This is a Pythagorean Theorem problem where the distances walked are effectively the base and height of the imaginary right triangle thereof.

#Apply Pythagorean theorem to solve:

b^2+h^2=H^2\\\\2^2+x^2=5^2\\\\x^2=5^2-2^2=21\\\\x=\sqrt{21}\\\\x=4.58\  km

\approx 4.6\ km

Hence, the distance x is 4.6 km

7 0
3 years ago
Name the quadrilaterals that have four equal sides.
Papessa [141]
A: rhombus and squares have four equal sides.
5 0
3 years ago
Find a irrational number between 7.7 and 7.9 explain why it’s irrational
Alexeev081 [22]
7.77777777 repeating

Irrational numbers are:

Numbers that repeat 
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Numbers that CANNOT be written as a simple fraction.
7.7777777 cannot be written as a fraction in simplest form.

Answer = 7.777777777 repeating

~Aamira~

Hope this helped :)
8 0
3 years ago
Read 2 more answers
Um ok i need help pls give correct answers
vesna_86 [32]
-a) function 2, function 4
-b) function 4
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4 0
3 years ago
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