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Stels [109]
2 years ago
9

A student is trying to solve the system of two equations given below: equation p: y z = 6 equation q: 5y 9z = 1 which of these i

s a possible step used in eliminating the y-term? (y z = 6) ⋅ 9 (y z = 6) ⋅ −5 (5y 9z = 1) ⋅ 9 (5y 9z = 1) ⋅ 5
Mathematics
1 answer:
KiRa [710]2 years ago
7 0

System of equation consists of two or more equations with unknow variables. A possible step used in eliminating the y-term is (y + z  6) *5

<h3>System of equations</h3>

System of equation consists of two or more equatons with unknow variables.


Given the system of equations

y + z = 6

5y + 9z =1

In order to eliminate the variable "y", we <em>will multiply equation 1 by 5 and subtract from equation 2;</em>

5y + 5z = 30

5y + 9z = 1

Subtract

5z - 9z = 30 - 1

-4z =29

This leaves only the variable "z" eliminating variable. "y"

Learn more on system of equation here: brainly.com/question/14323743

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Identify a pattern and find the next number in the pattern.<br> -48, -24, -12, -6
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Please help with this question?!?
erik [133]

Answer:

416 mi

Step-by-step explanation:

In order to find the surface area, you must find the area of each square. There are a total of 6 that make up the prism.

<em>Remember to find the area it is length x width</em>

  1. 9 x 8 = 72 which is the area for 4 of the squares. 2 on the side and 2 on the bottom
  2. Lastly for the last 2 squares to find the area you multiply 8 x 8 = 64
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3 0
3 years ago
A patrolman spends 25% every day completing paperwork. The patrolman’s shift each day is 8 hours. How much of his time does he s
fredd [130]
Assuming the man works 8 hours straight without breaks:

25% is the same as 1/4 of something.

So, we just have to figure out what 1/4 (one quarter) of 8 equals.

You can think of it as a pizza cut into 8 slices. One slice is equivalent to one hour for the patrolman.

If we take away 1/2 (half) of the pizza, we have 4 slices, right? Since we start with 8 slices, half of that equals 4 slices. In other words, 50% (half) of the pizza = 4 slices.

Now, 25% (one quarter) of the pizza will equal half of what is left:

If we know that 50%=4 slices (or 4 hours), then 25% must be 2 slices (or 2 hours).

That's it! 25% of 8 hours = 2 hours.

***So, the patrolman spends 2 hours each day completing paperwork.***

Lets check our work:
We know 8 hours (or 8 slices)= 100%
(We know this because
8 slices = 1 whole pizza, or 100% of a pizza. Similarly,
8 hours = 1 whole shift or 100% of the man's shift ).

So

25% + 25% + 25% + 25% = 100%

If 100% of the mans shift = 8 hours:

2+2+2+2 = 8

It checks out!


Hope this helps!



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3 years ago
Which of the following graphs is described by the function given below?
dusya [7]

Step-by-step explanation:

D. Graph D the answer is D

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