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3 years ago

PLS HELP ASAP!!! domain & range of g(x)?

Mathematics

1 answer:

Morgarella [4.7K]3 years ago

6 0

Domain: (-infinity, +infinity)
range: (0, +infinity)

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The IQ test is designed such that the scores on it are normally distributed with a mean of 100 and a standard deviation of 15. I

kozerog [31]

Answer:

130

Step-by-step explanation:

A standard deviation is 15, so 2 standard deviation is 30, 2 standard deviations above 100 is 100+30=130

5 0

3 years ago

What is the measure of angle b

tigry1 [53]

Answer:

36°

Step-by-step explanation:

By remote interior angle theorem:

b + 81° = 117°

b = 117° - 81°

b = 36°

7 0

3 years ago

small cubes with edge lengths of 1/4 inch will be packed into the right rectangular prism shown.( the base is 4 1/2, the width i

ss7ja [257]

General Idea:

We need to find the volume of the small cube given the side length of the small cube as 1/4 inch.

Also we need to find the volume of the right rectangular prism with the given dimension (the height is 4 1/2, the width is 5, and the length is 3 3/4).

To find the number of small cubes that are needed to completely fill the right rectangular prism, we need to divide volume of right rectangular prism by volume of each small cube.

Formula Used:

$Volume \; of \; Cube = a^3 \; \\\{where \; a \; is \; side \; length \; of \; cube\}\\\\Volume \; of \; Right \; Rectangular \; Prism=L \times W \times H\\\{Where \; L \; is \; Length, \; W \; is \; Width, \;and \; H \; is \; Height\}$

Applying the concept:

Volume of Small Cube:

$V_{cube}= (\frac{1}{4} )^3= \frac{1}{64} \; in^3\\\\V_{Prism}= 3 \frac{3}{4} \times 5 \times 4 \frac{1}{2} = \frac{15}{4} \times \frac{5}{1} \times \frac{9}{2} = \frac{675}{8} \\\\Number \; of \; small \; cubes= \frac{V_{Prism}}{V_{Cube}} = \frac{675}{8} \div \frac{1}{64} \\\\Flip \; the \; second \; fraction\; and \; multiply \; with \; the \; first \; fraction\\\\Number \; of \; small \; cubes \;= \frac{675}{8} \times \frac{64}{1} = 5400$

Conclusion:

The number of small cubes with side length as 1/4 inches that are needed to completely fill the right rectangular prism whose height is 4 1/2 inches, width is 5 inches, and length is 3 3/4 inches is <em><u>5400 </u></em>

4 0

3 years ago

Read 2 more answers

1 x 0 = 0?

Alexxandr [17]

Both

1 times a=a
and
b times 0=0

3 0

3 years ago

Read 2 more answers

Check all apply 2|3x+2|-9=5

slava [35]

The answer is X=3 or x=5/3

3 0

3 years ago