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MrRa [10]
3 years ago
7

Please help it due today? ​

Mathematics
1 answer:
irinina [24]3 years ago
6 0

Answer:

B. It has four right angles.

E. opposites side are parallel.

F. Diagonal are congruent.

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If the concentration of mercury in the water of a polluted lake is 0.300 μg (micrograms) per liter of water, what is the total m
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Answer: 151.305 kg

Step-by-step explanation:

0.300μg = 0.3x10⁻⁶ g/l

mass in kg?

Volume of lake = surface area * depth

surface area = 13mi²

depth = 49 ft

<u>Feet to miles</u>

49 ft → mi = 0.00928 mi

(1 mi = 5280 ft)

V = 13*0.00928 = 0.121 mi³

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1mi³ = 4168182000 m³

0.121 mi³ = 504350022 m³

<u>Cubic meters to liters</u>

1L = 1000 m³

Lake has 5.04350022x10¹¹ L

Concentration = 0.3x10⁻⁶ g/l

Lake has 151305 g of Hg = 151.305 kg of Hg

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3 years ago
What is the volume of this solid? A triangular prism. The triangular base has a base of 10 inches and height of 7 inches. The he
snow_tiger [21]

Answer:

Step-by-step explanation:

the height is 70

3 0
3 years ago
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If an equation of a line is y - 5 = m(x-2) and (1,1) is a point on the graph, what is m?
BartSMP [9]

Answer:

m = 4

Step-by-step explanation:

Substitute x = 1, y = 1 , that is(1,1) into the equation

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3 0
3 years ago
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What statement makes the open sentence 12 + 3x = 30 true?MUTIPLE CHOICE QUESTION WILL MARK BRAINLIEST
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Answer:

x= 6

Step-by-step explanation:

12+3x=30

3x+12=30

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18 divided by 3 is 6

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5 0
2 years ago
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Pls help me thanks so much
Igoryamba

Answer:

I beileve its no

Step-by-step explanation:

4 0
3 years ago
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