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sveta [45]
2 years ago
10

The building site is 90 metres long and 45 metres wide. What is the area of the site?

Mathematics
1 answer:
Lapatulllka [165]2 years ago
5 0

Answer:

The answer would be 4050

Step-by-step explanation:

A=wl

A=45*90

A=4050

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Bruce wants to make 50 ml of an alcohol solution with a 12% concentration. He has a 10% alcohol solution and a 15% alcohol solut
wel
(50 - x) is the amount of the 15% Alcohol solution to use. If you solve for x first.
<span>0.10x + 0.15(50 – x) = 0.12(50)
0.10x - 0.15x + 7.5 = 6
-0.05x + 7.5 = 6
7.5 - 6 = 0.05x
1.5 = 0.05x
1.5/0.05 = x
30 mL = x

Then the 15% solution: 50 - 30 = 20 mL

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7 0
2 years ago
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Which statement is an example of the symmetric property of congruence?
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The symmetric property of congruence states that if a quantity, say, A is congruent to a quantity, say B, then, the quantity B is congruent to the quantity A.

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Applying this symmetric property of congruence to the question that we are given, we see that only Option D fulfills the conditions of the definition of the property of congruence as Option D clearly states that:

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3 0
2 years ago
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In ΔPQR, p = 220 inches, q = 890 inches and ∠R=121°. Find the length of r, to the nearest inch.
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1021

Step-by-step explanation:

delta math said it was right

6 0
2 years ago
In some languages, every consonant must be followed by a vowel. How many seven-letter ‟words” can be made from the Hawaiian word
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1 year ago
A duck's mass at birth was 0.05 kilogram. The duck gained approximately 0.042 kilogram each week. After how many weeks is the du
Alex_Xolod [135]
Given that the first mass of the duck is 0.05 kg and it gains weight at a rate of 0.042 kg/week, the equation that would represent this scenario is,
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The value of x from the equation is 20. 
4 0
2 years ago
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