Hello
8y+y-5y = 9y- 5y =4y
or 8y+y-5y = y(8+1-5) =y (9-5) = y(4) =4y
Answer:
The answer is (A.)
Step-by-step explanation:
4 x 9 = 36
6 x 9 = 54
8 x 9 = 72
Answer:
20
Step-by-step explanation:
f = 2f - 20
f - 2f = - 20
- f = - 20
f = 20
Answer:
C
Step-by-step explanation:
Given
+
← factor the denominator of first fraction
=
+ 
Multiply the numerator/ denominator of second fraction by (x + 2)
=
+ 
The denominators are now common, so add the numerators leaving the denominator, that is
= 
=
→ with numerator 4x + 6 → C
Answer:
<c =90 ° So, Pythagoras theorem can be used, Hypotenuse ² = base ² + altitude ²AB²=AC²+BC²11²=AC²+4²11²-4²=AC²121-16=AC²Root 105=ACAC=10.2 cm
Step-by-step explanation:
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