Answer:
A= -53/7
Step-by-step explanation:
1 x 10 -1 x 7 x A=7 x 9
10-7A =7 X 9
10-7A=63
-10 -10
-7A=53
A= -53/7
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Answer: PQR=32
Step-by-step explanation:
RQS+PQR=PQS
(4x+4)+(3x-1)=80
7x+3=80
7x=77
x=11
PQR=(3x-1)=> (3(11)-1) => 33-1=32
10.5
Step by Step Solution:
Lower extreme is 5
Median is 9
Upper Extreme is 12
Quartile 1 is 8
Quartile 3 is 10.5
Solving:
1) Pass: Make the rule three (Directly proportional)
Two inch nails ______ grams (<span>Weight)
</span>15 ----------------------------35
n ----------------------------- 175
2) Pass: <span>Multiply cross
</span>

3) Pass: Simplify




Answer:
75 nails weigh 175 grams