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tia_tia [17]
3 years ago
13

A rectangle has a length that is 4 more than 3 times the width. The area of the rectangle is 175. The width is 7. What is the le

ngth?
Mathematics
1 answer:
g100num [7]3 years ago
6 0

Answer:

length = 25

Step-by-step explanation:

7(x)=175

x=25

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Let f(x) = |x| for all real numbers x. Write the formula for the function represented by the described
Ostrovityanka [42]

Answer:

y=(\frac{1}{3}f(x-3))-1

Step-by-step explanation:

Please see the picture below.

1. Given the function f(x) = |x|, applying a vertical stretch with scale factor \frac{1}{3}, we have the transformed function:

y=\frac{1}{3}f(x)

2. Applying a translation of 3 units to the right, we have:

y=\frac{1}{3}f(x-3)

3. Finally applying a translation down of 1 unit, we have:

y=(\frac{1}{3}f(x-3))-1

6 0
3 years ago
Eric wants to get an output of 0. Can he do this with each machine? If so, how? If not, why not?
natita [175]

Answer:

  • <u>No, he can get an output of 0 with the second machine (function B) but he cannot get an output of 0 with the first machine (function A).</u>

Explanation

The way each machine works is given by the expression (function) inside it.

<u>1)  </u><em><u>Function A</u></em>

To get an output of 0 with the function y = x² + 3, you must solve the equation x² + 3 = 0.

Since x² is zero or positive for any real number, x² + 3 will never be less than 3 (the minimum value of x² + 3 is 3). So, it is not possible to get an output of 0 with the first machine.

<u>2) </u><em><u>Function B</u></em>

Solve y=\sqrt{x}-2=0

  • \sqrt{x}-2=0

  • \sqrt{x} =2

  • x=2^{2}

  • x=4

So, he can get an output of 0 by using x = 4.

4 0
2 years ago
I need help on these 3 !!
vazorg [7]

Answer:

6. 0

9. -36

12. -125

Step-by-step explanation:

hope it helped :)

8 0
3 years ago
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49,254 find value of 9
Kitty [74]
It would be thousands
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3 years ago
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Multiply the binomials (4x+2)(5x+1) *
strojnjashka [21]
The answer is 20x^2 + 14x + 2
3 0
3 years ago
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