Jake has 150 feet of barb wire and needs to put it on 35 3/4 feet of fencing. How much barb wire can he use for each foot?
2 answers:
Answer:
4.19 ft
Step-by-step explanation:
Step 1: Change 35 3/4 into a decimal
35 3/4 = 35.75
3/4 = 75/100 = 0.75
Step 2: Move the decimal place 2 places to the right for both numbers
Step 3: Divide 150 by 35.75
(See Attachment)
Tip #1: Divide 2 Places After The Decimal Point While Dividing Decimals, Then Stop
Tip #2: Make The Decimal In The Divisor A Whole Number By Moving The Decimal Point, Then Do The Same Thing To The Dividend.
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Answer:
The perimeter of triangle PQR is 17 ft
Step-by-step explanation:
Consider the triangles PQR and STU
1. PQ ≅ ST = 4 ft (Given)
2. ∠PQR ≅ ∠STU (Given)
3. QR ≅ TU = 6 ft (Given)
Therefore, the two triangles are congruent by SAS postulate.
Now, from CPCTE, PR = SU. Therefore,
Now, side PR is given by plugging in 3 for 'y'.
PR = 3(3) - 2 = 9 - 2 = 7 ft
Now, perimeter of a triangle PQR is the sum of all of its sides.
Therefore, Perimeter = PQ + QR + PR
= (4 + 6 + 7) ft
= 17 ft
Hence, the perimeter of triangle PQR is 17 ft.