3 years ago

Help please, special right triangles, find the value of each variable

Mathematics

1 answer:

Rina8888 [55]3 years ago

6 0

Y= 10 -/ 2
x= 10

Explanation:

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- 3x + 9 - 4 = x + 3 + 2x

Gwar [14]

-3x + 9 - 4 = x + 3 + 2x
-3x + 9 - 4 = 3x + 3
9 - 4 = 6x + 3
5 = 6x + 3
2 = 6x
1/3 = x

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3 years ago

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Help I don't know what to choose

Lunna [17]

Answer:

Step-by-step explanation:

We know a triangle adds up to 180 so:

75+36+ ? = 180

111+ ? =180

? = 69

To find out x, we know that a straight line adds up to 180 so again:

x +69 = 180

x = 111

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3 years ago

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A cell phone company charges $20 for a customer to open a new account and $35 for each month of phone service.

lorasvet [3.4K]

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y=4/5 x-3

Step-by-step explanation:

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3 years ago

Describe how to determine the average rate of change between x = 3 and x = 5 for the function f(x) = 3x3 + 2. Include the averag

Serhud [2]

Answer:

147

Step-by-step explanation:

Average rate of change is given by the total rise over total run.

$f(x) = 3x^3+2\\f(3)=3*3^3+2=83\\f(5)=3*5^3+2 = 377$

So,

total rise = 377 - 83 = 294

total run = 2

average rate of change = $\dfrac{294}{2} = 147$

8 0

3 years ago

Helppppp me pleaseeeee

Andreyy89

Answer:

314- The unknown digit is 1

Step-by-step explanation:

16*314=5024

5024/16=314

Hope this helps ;) ❤❤❤

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