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Andru [333]
2 years ago
15

What is the value of x​

Mathematics
1 answer:
Leokris [45]2 years ago
5 0

Answer:

X = 40°

Step-by-step explanation:

The sum of the interior angles in a triangle is 180°. This means that:

2X + 35 + 2X - 15 = 180° - we can simplify this

4X + 20 = 180° - now, subtract 20 from both sides

4X = 160° - finally, divide both sides by 4

X = 160 ÷ 4 = 40°

X = 40°

Hope this helps!

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The functions f(x) and g(x) are described below: f(x) = 7x + 9 g(x) = 7x −4 The graph of g(x) is obtained by shifting down the g
Slav-nsk [51]
Correct Answer:
Option A

Solution:

f(x) = 7x + 9
g(x) = 7x - 4

We can re-write g(x) as:

g(x) = 7x + 9 - 13

Since 7x+9 is equal to f(x), we can write:

g(x) = f(x) - 13

This relation shows that g(x) is obtained by shifting f(x) 13 units vertically down. So the correct answer is option A.
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3 years ago
Need help with a math question
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3 years ago
(2y + 50)" (7x - 248)<br> (5y - 17) (x +44)°<br> Find the value of x and y.
Sveta_85 [38]

Answer:

x = 48

y = 21

Step-by-step explanation:

To find the value of x and y, using the definition of supplementary angles, create an equation to find x and y as follows:

Finding y:-

(2y + 50) + (5y - 17) = 180 (supplementary angles definition)

Solve for y

2y + 50 + 5y - 17 = 180

Collect like terms

2y + 5y + 50 - 17 = 180

7y + 33 = 180

7y + 33 - 33 = 180 - 33

7y = 147

\frac{7y}{7} = \frac{147}{7}

y = 21

Finding x:-

(7x - 248) + (x + 44) = 180 (supplementary angles definition)

Solve for x

7x - 248 + x + 44 = 180

Combine like terms

8x - 204 = 180

8x - 204 + 204 = 180 + 204

8x = 384

\frac{8x}{8} = \frac{384}{8}

x = 48

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3 years ago
Determine if it is a function, find the domain and the range.
wlad13 [49]

Answer:

it is not function

Step-by-step explanation:

because,

first of all,what do mean function

A function is a relation in which each element of the domain corresponds to exactly one

element of the range.

based on this description

Since the domain element 1 is assigned to two different values in the range, -1 and 1, so that it is

not a function

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3 years ago
A student is running a 3-kilometer race. He runs 1 kilometer every 2 minutes. Select the function that describes his distance fr
larisa86 [58]
To answer your question the best option would be B. I hope this helps you out :D
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3 years ago
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