Function or not a function
1 answer:
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Question 1:
<span>5z – 9 = 36
5z = 45
z = </span>
z = 9
Hence, the answer is D.
Question 2:
<span>5(2z + 4) = 0
</span><span>
10z + 20 = 0
10z = -20
z = </span>
<span>
z = -2
Hence, the answer is A.
Question 3:
4a + 3(a + 1) = 24
4a + 3a + 3 = 24
7a = 21
a = </span>
a = 3
Hence, the answer is B.
Question 4:
<span>3(4x + 5) = 12
12x + 15 = 12
12x = 12 - 15
12x = -3
x = </span>
Hence, the answer is A.
Question 5:
<span>4x – 8 – 4x = 9
-8 </span>≠ 9
Hence, the answer is A.
<span>5z – 9 = 36
5z = 45
z = </span>
z = 9
Hence, the answer is D.
Question 2:
<span>5(2z + 4) = 0
</span><span>
10z + 20 = 0
10z = -20
z = </span>
<span>
z = -2
Hence, the answer is A.
Question 3:
4a + 3(a + 1) = 24
4a + 3a + 3 = 24
7a = 21
a = </span>
a = 3
Hence, the answer is B.
Question 4:
<span>3(4x + 5) = 12
12x + 15 = 12
12x = 12 - 15
12x = -3
x = </span>
Hence, the answer is A.
Question 5:
<span>4x – 8 – 4x = 9
-8 </span>≠ 9
Hence, the answer is A.
Answer:
(C) 10 units
Step-by-step explanation:
It is given that EFGH is a rhombus and EG = 16 and FH = 12.
We know that the diagonals of the rhombus are the perpendicular bisectors, therefore OF=6, OH=6, OE=8 and OG=8.
Now, using the Pythagoras theorem in ΔOFG, we have
Thus, the value of the side of the rhombus will be 10 units.
Hence, option C is correct.
