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Dominik [7]
3 years ago
11

Work out the length of BC.

Mathematics
1 answer:
Akimi4 [234]3 years ago
3 0
The length of BC is 53 units long
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Please help me! Determine the area
Ghella [55]

9514 1404 393

Answer:

  31.41 ft²

Step-by-step explanation:

Heron's formula is useful when you have the three side lengths.

  A = √(s(s -a)(s -b)(s -c)) . . . . sides are a, b, c and s = (a+b+c)/2

Using the given side lengths, we have ...

  s = (8 +8.4 +13.5)/2 = 29.9/2 = 14.95

  A = √(14.95(14.95 -8)(14.95 -8.4)(14.95 -13.5)) = √(14.95×6.95×6.55×1.45)

  A = √986.81399375 ≈ 31.41 . . . . square feet

7 0
2 years ago
Select the correct answer from each drop-down menu. Rewrite the formula to find voltage. The formula for electrical power (P, in
Natalka [10]

Answer:

V = 4 volt

Step-by-step explanation:

Given: Electrical power (w) P = 0.5 watt and resistance R ( Ω ) R = 32 ohm

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V = 4 volt

God with you!!!

5 0
3 years ago
The town park is a rectangular strip of land with a width of 1/2 mile and an area of 1/8 square mile. How long is the town park?
weeeeeb [17]

Answer:

that would be 4/13

Step-by-step explanation:

i think

3 0
3 years ago
Read 2 more answers
A school requires 2 computers for every 5 students. Write a proportion that gives the number c of computers needed for 145 stude
guajiro [1.7K]
The proportion would go as follows:

2   C
5 = 145      Its hard to type that but 2 would go over the 5 and an equals sign would be in the middle, then C over 45. To solve then take 145 times 2 and divide it by 5.
Hope this helps. 
5 0
3 years ago
Please help ASAP for 10 points!!
Studentka2010 [4]

hope can help u !!!!!!!!!!

4 0
3 years ago
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