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natta225 [31]
3 years ago
8

Please give an explanation!!!

Mathematics
2 answers:
lisabon 2012 [21]3 years ago
8 0

Answer:

  • B) 5

Step-by-step explanation:

The area is the sum of three sections: rectangle and two same triangles

<u>Rectangle has sides of </u>

  • 10 and 9 - 4 = 5

<u>Triangles have sides of </u>

  • 4 and 10/2 = 5

The missing number is 5 for both parts of the equation

Correct option is B

lawyer [7]3 years ago
6 0

Answer:

d

Step-by-step explanation:

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Harlamova29_29 [7]
B y=14 because if you subtract that will give you the answer
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3 years ago
Mrs.Anderson is giving a test in her third period class she has decided to record the amount of time that each student takes to
ICE Princess25 [194]

The graph Plot of the given results shown represents; A relation only

<h3>How to interpret a scatter plot?</h3>

For it to be a function, then no x-value can produce more than 2 y-values. However, we see that at x = 25, y has 2 values. Similarly, at x = 15, y has two values.

Thus, the graph plot can only be a relation as it is not a function as seen from the points plotted in the graph.

The complete question is;

Mrs. Anderton is giving a test in her third-period class. She has decided to record the amount of time that each student takes to finish the test (in minutes) and compare that to the grade each student receives on the test (out of 100). A plot of her results is below. Which of the following does this situation represent?

A. both a relation and a function

B. a function only

C. neither a relation nor a function

D. a relation only

Read more about Scatter Plot at; brainly.com/question/6592115

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8 0
2 years ago
Keith used the following steps to find the inverse of f, but he thinks he made a error
astra-53 [7]

Answer:

Step-by-step explanation:

\Large \boldsymbol{} f(x)  \ \ inverse  \ \  function    \ \ (f(x))^{-1} \\\\ y=7x+5 \\\\x=7y+5 \\\\ y=\dfrac{x-5}{7}  \ \  or \  \  f(x)^{-1}= \dfrac{x-5}{7}

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2 years ago
Which graph represents -9x+4y≤8
Andre45 [30]

Answer: what are the answer choices ?

Step-by-step explanation:

7 0
2 years ago
Please help me. (20 points)
alexandr402 [8]

Hello from MrBillDoesMath!

Answer:

75

Discussion:


A plane triangle has 180 degrees. Using this in the diagram gives  

x + 81 + angle BAC = 180             (***)

(The diagram is a bit fuzzy but I think the above numbers are accurate)

The diagram also shows that  (156 + angle BAC )= 180 as a straight line has 180 degrees. So

angle BAC = 180 - 156 = 24

Substituting this in (***) above gives

x + 81 + 24 = 180 =>

x + 105 = 180   =>               (as 81 + 24 = 105)

x = 180  107 = 75


Check: Does

x + 81 + angle BAC = 180   ?

75 + 81 + 24 = 180.  Yes




Thank you,

MrB

7 0
2 years ago
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