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V125BC [204]
3 years ago
7

If the water level at the lake continued to change at the lake rate for 3 months in a row, explain how you could estimate the to

tal change in the water level at the end of the 3 month period
Mathematics
1 answer:
Temka [501]3 years ago
5 0
Multiple it by the unite rate of change
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0.249 in expanded form
nikklg [1K]
2.49×10^-1 is the answer
8 0
3 years ago
Equation A: y = 2x + 4
Ymorist [56]
2x+4=3x+1 they've substituted y =2x+4 into the second eq.
6 0
3 years ago
A jewelry box is b2 inches long, 3c2 inches wide, and 2c1 inches tall. Which of the following are correct? Select ALL that apply
Mariulka [41]

9514 1404 393

Answer:

  B, F

Step-by-step explanation:

The volume is the product of the dimensions:

  V = LWH

  V = (b^2)(3c^2)(2c^1) = (3·2)(b^2)(c^(2+1))

  V = 6b^2·c^3 . . . . . matches B

__

For b=3 and c=2, the volume is ...

  V = 6(3^2)(2^3) = 6(9)(8)

  V = 432 . . . . cubic inches . . . . matches F

6 0
3 years ago
What is the midpoint between (3, -1) and (7,-5)
Alex Ar [27]

Answer:

(5, -3)

Step-by-step explanation:

given two points (x₁, y₁) and (x₂, y₂), the midpoint is (\frac{x_1+x_2}{2} ,\frac{y_1 + y_2}{2})

(\frac{3+7}{2} ,\frac{-1 + -5}{2}) = (\frac{10}{2} ,\frac{-6}{2}) = (5, -3)

6 0
3 years ago
An inhalation aerosol contains 225 mg of metaproterenol sulfate, which is sufficient for 300 inhalations. How many micrograms of
noname [10]

Answer:

Each inhalation has 750 micrograms of metaproterenol sulfate.

Step-by-step explanation:

First step: How many miligrams are there in each inhalation.This can be solved by a rule of three problem.

In a rule of three problem, the first step is identifying the measures and how they are related, if their relationship is direct of inverse.

When the relationship between the measures is direct, as the value of one measure increases, the value of the other measure is going to increase too.

When the relationship between the measures is inverse, as the value of one measure increases, the value of the other measure will decrease.

In this step, our measures are:

- The number of inhalations.

- The quantity inhaled.

As the number of inhalations increases, so does the quantity inhaled. This means that this is a direct rule of problem.

300 inhalations contains 225mg of metaproterenol sulfate. How many miligrams are in a inhalation?

300 inhalations - 225mg

1 inhalation - xmg

300x = 225

x = \frac{225}{300}

x = 0.75mg

Each inhalation has 0.75mg of metaproterenol sulfate.

Final step: Conversion of 0.75mg to micrograms.

Each mg has 1000 micrograms. So:

1mg - 1000 micrograms

0.75mg - x micrograms

x = 1000*0.75

x = 750 micrograms

Each inhalation has 750 micrograms of metaproterenol sulfate.

7 0
3 years ago
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