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Roman55 [17]
3 years ago
11

1/4m + 3/4m - 3/8(m+1)

Mathematics
1 answer:
sammy [17]3 years ago
3 0
Distribute 3/8 to m and 1 so now the equation should be 1/4m + 3/4m - 3/8m + 3/8

then add 1/4m 3/4 to get m. the equation should now look like m - 3/8m + 3/8

m is 1m but the one is invisible so subtract 3/8 from 1 now the equation should look like 5/8m + 3/8

final answer: 5/8 + 3/8
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Write an expression to represent the sum of three times the square of a number and -7 . In your expression what is the value of
stich3 [128]

Answer:

Step-by-step explanation:

3x^2-7

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PLEASE HELP! WILL GIVE BRAINLIEST!
Alex Ar [27]
The one in the middle you can tell because when x=0 that is the y intercept and the graph had a y intercept of 4 and the middle graph had 5
6 0
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What is the range of this piecewise function
White raven [17]

Answer as a compound inequality: -4 \le y < 2

Answer in interval notation:  [-4, 2)

=============================================

Explanation:

The range is the set of all possible y outputs of a function. When dealing with a graph like this, we just look at the highest and lowest points to determine which y values are possible.

The lowest point occurs when y = -4. We include this value. So far we have y \ge -4 which is the same as -4 \le y

The upper ceiling for the y value is y = 2. We can't actually reach this value because of the open hole at (-3,2). So we say that y < 2

Combine -4 \le y and y < 2 to get the compound inequality -4 \le y < 2

This says y is between -4 and 2, including -4 but excluding 2.

To convert this to interval notation, we write [-4, 2) where the square bracket says to include the endpoint and the curved parenthesis says to exclude the endpoint.

6 0
2 years ago
the nationalities listed in a recent survey (for example, Asian, European, or Hispanic) 19 A) nominal B) interval C) ordinal D)
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A

Step-by-step explanation:

8 0
3 years ago
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The Sahara Desert has an area of approximately 9,400,400 km2. While estimates of its average depth vary, they center around 150
horrorfan [7]

It would take 65433661 years to re-create the Sahara Desert

<h3>How many years would it take to re-create the Sahara Desert?</h3>

The given parameters are:

Surface area = 9,400,400 km^2

Depth = 150 m

This means that the volume is

Volume = Surface area * Depth

So, we have

Volume = 9,400,400 km^2 * 150 m

Express as meter square

Volume = 9,400,400 * 1000000 m^2 * 150 m

Evaluate the product

Volume = 9,400,400 * 150,000,000 m^3

A small dump holds 20.5 m^3 for 30 seconds.

So, the duration is:

Time = (9,400,400 * 150,000,000 m^3)/(20.5 m^3 per 30 seconds)

Evaluate the product and quotient

Time =  2.0635024e+15 seconds

1 second = 3.171e-8 year.

So, we have:

Time =  2.0635024e+15 * 3.171e-8 year

Evaluate the product

Time = 65433661.104 years

Approximate

Time = 65433661 years

Hence, it would take 65433661 years to re-create the Sahara Desert

Read more about rates at:

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