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babymother [125]
3 years ago
9

Plz solve this question and pls show your work

Mathematics
2 answers:
STALIN [3.7K]3 years ago
8 0

z = 10


14 = 64 - 5z


Subtract

-50 = -5z


Divide

10 = z

Dvinal [7]3 years ago
8 0

14 = 64 - 5z

First: You have to get rid of the 64. That means you use the inverse operation which is if it is a positive number then you subtract it by the original number. Then, after you complete that operation you do 14 - 64 which equals -50.

So now you have.

-50 =  -5z

Lastly all you need to do is divide -50 by -5 which gets you 10.

The original part was that you either divide or multiply if it has a variable then you divide it by itself without the variable.

The solution to your problem is: z = 10.

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Answer:

x=16 and y=9

Step-by-step explanation:

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30-21=3y-2y

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3×9=2x-5

27=2x-5

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2 years ago
Which of the following recursive formulas represents the same arithmetic sequence as the explicit formula an=5+(n-1)2?
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A

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In Arithmetic sequence , 2nd term = first term + d

3rd term = 2nd term + d

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3 years ago
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If f(x) = 5x − 1 and g(x) = 2x2 + 1, what is the value of (f × g)(-3)?
Softa [21]

f(x) = 5x − 1 and g(x) = 2x^2 + 1

(f × g)(x) =  (5x − 1)(2x^2 + 1)

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Substitute x = - 3

(f × g)(-3) = 10(-3)^3 - 2(-3)^2 + 5(-3) - 1

(f × g)(-3) = 10(-27) - 2(9) -15 - 1

(f × g)(-3) =-270 - 18 - 16

(f × g)(-3) = -236

Answer

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6 0
3 years ago
a whisper volume as a room that allows two people to stand on opposite side of the template luckily shape long and hear each oth
Yakvenalex [24]

Answer:  120 ft

<u>Step-by-step explanation:</u>

The Ellipse equation is:   \dfrac{(x-h)^2}{a^2}-\dfrac{(y-k)^2}{b^2}=1       where

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  • "a" is the horizontal radius
  • "b" is the vertical radius
  • c is the distance from the center to the foci: |a² - b²| = c²

Given: horizontal diameter = 122  →  horizontal radius = 61 = a

          vertical diameter = 22  →  vertical radius = 11 = b

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Let (h, k) = (0, 0)

Then the foci are located at -60 and +60.

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3 years ago
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