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Zinaida [17]
3 years ago
7

X + 2y + 4z = -8 5.2 + y + 32 = 10 2x + y +z = 6 Wha

Mathematics
1 answer:
xenn [34]3 years ago
5 0

Answer:

hope this help

Step-by-step explanation:

Download pdf
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4w-3(-5z+2w)-2z
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The answer is 13z - 18
6 0
3 years ago
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Cool Down: Fish Population
Ber [7]

Answer:

the population this year is 15 I think

Step-by-step explanation:

the population this year is 15 I think because 60 = 100% so if you divide 60 into two you will get 30 / 50%. then divide 30 again which would be 15 and that's 25 percent.  only if you know what 60 divides by 2 and then 30 divided by 2.

5 0
2 years ago
pls help me with this if you know it also to explain it thanks Solve the equation -21 + 70n = 77 for n.
gogolik [260]

Answer:

n = 1 2/5

Step-by-step explanation:

-21 + 70n = 77

Add 21 to each side

-21+21 + 70n = 77 +21

70n = 98

Divide each side by 70

70n/70 = 98/70

n =98/70

n = 70/70 +28/70

n = 1 + 2/5

n = 1 2/5

6 0
3 years ago
Bee + ant= 10, ant - bee = 8, ant × bee= ?
Alona [7]

The Correct Answer Is...

<em><u>9.</u></em>

Any Questions? Comment Below!

<em><u>-AnonymousGiantsFan</u></em>

7 0
3 years ago
Which statement best describes the function below?
marta [7]
<h2>Answer:</h2>

A. It is a many-to-one function.

<h2>Step-by-step explanation:</h2>

Hello! It will be a pleasure to help to figure out what's the correct answer to this problem. First of all, we have the following function:

f(x) = 2x^3 + 2x^2-x

When plotting this function, we get the red graph of the function shown below. So let's solve this as follows:

<h3>A. It is a many-to-one function.</h3>

True

A function is said to be many-to-one there are values of the dependent variable (y-values) that corresponds to more than one value of the independent variable (x-values). To test this, we need to use the Horizontal Line Test. So let's take the horizontal line y=0.5, and you can see from the first figure below that y=0.5 is mapped onto x=-1.241 \ x=-0.344 \ and \ x=0.585. so this is a many-to-one function.

<h3>B. It is a one-to-one function.</h3><h3>False</h3>

Since this is a many-to-one function, it can't be a one-to-one function.

<h3>C. It is not a function.</h3>

False

Indeed, this is a function

<h3>D. It fails the vertical line test.​</h3>

False

It passes the vertical line test because any vertical line can intersect the graph of the function at most once. An example of this is shown in the second figure below.

6 0
3 years ago
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