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ExtremeBDS [4]
3 years ago
11

Slove for X and Y Please

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
6 0
X=60 and I'm not sure about y
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Create a list of steps, in order, that will solve the following equation 2(x+2)^2-5=93
solong [7]

Answer:

x = (-7,7)

Step-by-step explanation:

1.add  5  on both side

2.divide each side of the equation by  2

3.take the square root of each side of the equation to solve for x

7 0
3 years ago
A rate of deposit of dust from unpolluted air is 10.0 tons per square mile per month (30 days). what is this dust fall, in milli
valina [46]
The rate of dust deposition is
Rate= \frac{10 \,tons}{mi^{2}-30\,days} = \frac{1}{3} \, \frac{tons}{mi^{2}-day}

Note that
1 ton = 9.07185 x 10⁵ g = 9.07185 x 10⁸ mg
1 mi = 1609.34 m = 1.60934 x 10³ m
1 day = 24 h

Therefore
Rate=( \frac{1}{3}\, \frac{tons}{mi^{2}-day} )*( \frac{1}{24} \, \frac{day}{h} )*( \frac{1}{1.60934\times10^{3}}\, \frac{mi}{m} )^{2}*(9.07185\times10^{8}\, \frac{mg}{ton})\\= 4.865\, \frac{mg}{m^{2}-h}

Answer: 4.865\, \frac{mg}{m^{2}-h}

3 0
3 years ago
If it takes 3 days for 10 workers to finish building one house, how many days will it take 15 workers to finish four houses?
Ksivusya [100]
-- It takes 10 workers 3 days to build 1 house.
so
-- It takes 10 workers 1 day to build  1/3  of a house.
so
-- It takes 1 worker 1 day to build  1/30  of a house.

You got 15 workers and you need 4 houses ?

Well, as we just calculated . . .

-- It takes 1 worker 1 day to build  1/30  of a house.
so
-- It takes 15 workers 1 day to build  15/30 = 1/2  of a house.
so
-- It takes 15 workers 2 days to build 1 whole house.
so
-- It takes 15 workers  8 days  to build 4 houses.


8 0
3 years ago
if the working age population is 250 million,170 million are unemployed and 9 million are unemployed, the unemployment rate is
Amiraneli [1.4K]

Answer: 5%

Step-by-step explanation:

9/179

4 0
3 years ago
Michelle ran 4.5 miles in 2.5 hours. what is her unit rate with regards to run?how far would she run in 5 hours,assuming a const
Simora [160]
1.8mph (distance÷time=rate)

2.5 is half of 5 so multiply by 2 and get 3.6 because 5 hours times 1.8mph = 3.6
4 0
3 years ago
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