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aalyn [17]
3 years ago
7

A) Deltoid: a = 89 mm; e = 110 mm; f = 78 mm; b= ? anybody know the answer??

Mathematics
1 answer:
bezimeni [28]3 years ago
3 0

Answer:

it should be 89 since A=89

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You want to put a fence around your large yard. There are two companies that you have found to do the work. They have each given
dexar [7]

Answer:

STEP 1: See attached drawing  on graph paper

STEP 2:

Length of segment 1 - 2 = 100 feet

Length of segment 2 - 3 = 89.44 ft.

Length of segment 3 - 4 = 186.82 ft.

Length of segment 4 - 5 = 120.83 ft.

Length of segment 5 - 1 = 136.01 ft.

STEP 3:

The perimeter of the property is 633.103 ft.

STEP 4:

The cost of fencing by Company 1 is $7597.24

The cost of fencing by Company 2 is $8246.55

Therefore, the company that provides the cheapest quote for fencing the property is Company 1

Step-by-step explanation:

STEP 1: See attached drawing  on graph paper

STEP 2:

Therefore, we have

Length of segment 1 - 2 = √(8² + 6²) = 10 × 10 = 100 feet

Length of segment 2 - 3 = √(4² + 8²) = 4·√5× 10 = 40·√5 feet = 89.44 ft.

Length of segment 3 - 4 = √(5² + 18²) = √349 = 10·√349 feet = 186.82 ft.

Length of segment 4 - 5 = √(11² + 5²) = √146 = 10·√146 feet = 120.83 ft.

Length of segment 5 - 1 = √(11² + 8²) = √185 = 10·√185 feet = 136.01 ft.

STEP 3:

Therefore, the perimeter of the property = 100 + 89.44  + 186.82 + 120.83  + 136.01  = 633.103 ft.

STEP 4:

Hence the cost of fencing the property by Company 1 = $12 × 633.103 = $7597.24

The cost of fencing the property by Company 2 = $250 + $15 × 533.103 = $8246.55.

7 0
2 years ago
Name three uses for mercury
ArbitrLikvidat [17]

Answer:

Step-by-step explanation:

Mercury is used to make thermometers the red loiqid like substance in the middle of a thermometer and pumps.

8 0
2 years ago
Read 2 more answers
"The last time I bought this product, it cost $20.00 but it looks like it costs $29.60 today. Why such a large increase?"
Oksanka [162]

Answer:

The company decided to increase the price by $9.60, or by 48%.

Step-by-step explanation:

To measure the price difference in dollars is simple, just subtract the old price from the new one:

29.60 - 20 = 9.60

Divide the price change by the old price to find the price increase in percentage:

9.60 \div 20 = 0.48 \\ 0.48 \times 100\% = 48\%

5 0
3 years ago
The first figure is dilated to form the second figure.
coldgirl [10]
This is clearly a reduction meaning the copy got smaller. This indicates that the scale factor IS less than 1 and the only answer choice less than 1 is the first statement.

~~

Answer : The scale factor is 0.25.

~~

I hope that helps you out!!

Any more questions, please feel free to ask me and I will gladly help you out!!

~Zoey
7 0
3 years ago
Read 2 more answers
The value of y varies directly with x, and y=28 when x=7. Find y when x=4 by first finding k.
lesya692 [45]
Direct proportionality is the type of proportionality where an increase in one quantity or variable causes a corresponding increase in another quantity. 
Therefore; y varies directly as x
Hence; y α x
             y =k x where k is a constant 
if y= 28 and x = 7 , then k = 28/4 =4
hence, y = 4 k
when x = 4, then y= 16

7 0
3 years ago
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