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antoniya [11.8K]
3 years ago
6

2.2 Evaluating Functions Practice​

Mathematics
1 answer:
Tju [1.3M]3 years ago
5 0

Answer:

3.

A = 11

B = -4

C = 7

D = 27

Step-by-step explanation:

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The first president is George Washington
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2 years ago
Evaluate each expression for s=4 and t=8<br> 1) (25)^2t<br> 2) 2st^2-5^2<br> 3) 2s^2-t^3/16
stepladder [879]

Answer:

<u>1.</u> 2.328×10^{22}

<u>2.</u> 487

<u>3.</u> 30.52  OR  0 (see explanation↓)

Step-by-step explanation:

<u>1.</u>(25)^{2t}

(sub for t=8)

=25^{2*8}

=25^{16}

=2.328×10^{22}

<u>2.</u>2st^{2} -5^{2}

(sub for s=4 and t=8)

=2×4×8^{2}-5^{2}

=512-25

=487

<u>3.</u>2s^{2} -t^{3/16} (the equation is not clear so I will do 2s^{2} -\frac{t^{3} }{16} as well)

<u>FOR</u> 2s^{2} -t^{3/16}

(sub s=4 and t=8)

=2×4^{2}-8^{3/16}

=32-1.476826146

=30.52 (to the nearest 2 decimal place)

<u>FOR</u> 2s^{2} -\frac{t^{3} }{16}

(sub s=4 and t=8)

=2×4^{2}-\frac{8^{3} }{16}

=32-32

=0

5 0
3 years ago
complete the equcomplete the equation of the line whose slope is -2 and y intercept is (0,3)ation of the line whose slope is -2
Dvinal [7]
<h3><u>Question:</u></h3>

Complete the equation of the line whose slope is -2 and y intercept is (0,3)

<h3><u>Answer:</u></h3>

The equation of the line whose slope is -2 and y intercept is (0,3) is y = -2x + 3

<h3><u>Solution:</u></h3>

Given that line has slope of -2 and y - intercept of (0, 3)

We have to find the equation of line

The equation of line can be found by using the slope intercept form

<em><u>The slope intercept form is given as:</u></em>

y = mx + c

Where "m" is the slope of line and "c" is the y-intercept

Here given that slope = m = -2

y - intercept is the y-coordinate of a point where a line intersects the y-axis.

So here y intercept is (0, 3) and we get c = 3

Substituting the values in slope intercept form we get,

y = -2x + 3

Thus the equation of line is found

8 0
2 years ago
Help help please math math please
DENIUS [597]

Answer:

n = 6

Step-by-step explanation:

6÷4 = 9÷n

6n = 9*4

6n = 36

n = 6

5 0
2 years ago
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