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OpenStudy (anonymous):
plz help will be fan and give medal
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OpenStudy (anonymous):
Evaluate –6(x – 2y) when x = –3 and y = –5
A.
–42
B.
80
C.
–80
D.
–16
OpenStudy (anonymous):
–6(x – 2y) = –6(-3 – 2(-5)) = -6 (-3+10)= -6*7=-42
OpenStudy (anonymous):
ok thx i have a few more plz stay and help
OpenStudy (anonymous):
Simplify: (–4) • (9) – (5) • (–2)
A.
–36
B.
–26
C.
2
D.
82
OpenStudy (anonymous):
Simplify: (–4) • (9) – (5) • (–2)
A.
–36
B.
–26
C.
2
D.
82
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OpenStudy (anonymous):
(–4) • (9) – (5) • (–2) = -36+10= -26
Option B.
–26 is correct Ans
OpenStudy (anonymous):
ok thx again can you help me with 2 more
OpenStudy (anonymous):
Simplify: –5(x – 3) + 2(a – 9)
A.
–5x + 2a + 33
B.
–5x + 2a + 4
C.
–5x + 2a – 3
D.
–5x + 2a – 33
OpenStudy (anonymous):
–5(x – 3) + 2(a – 9) =-5x+15+ 2a-18= -5x +2a-3
Hence option C. –5x + 2a – 3 is correct Ans
OpenStudy (anonymous):
last one
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OpenStudy (anonymous):
Simplify: –6(x – 3) – 4(y + 5) + (–5)(7 – 2b)
A.
–6x –4y – 10b – 3
B.
–6x –4y + 10b – 37
C.
–6x –4y + 10b + 3
D.
–6x –4y + 10b + 33
OpenStudy (anonymous):
–6(x – 3) – 4(y + 5) + (–5)(7 – 2b)
= –6x +18 – 4y - 20 -35 + 10b
= –6x – 4y+ 10b-37
Thus option B. –6x –4y + 10b – 37 is the correct Ans.
OpenStudy (anonymous):
@gokart
OpenStudy (anonymous):
100%
Assessment Summary
Score:
5/5 points
Status:
Mastered
OpenStudy (anonymous):
thanks alot
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OpenStudy (anonymous):
i did fan you
OpenStudy (anonymous):
cool thanks my pic is a go kart replica of the new batmobile
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