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Evgesh-ka [11]
3 years ago
9

Algebra find the value of x in each figure .

Mathematics
2 answers:
densk [106]3 years ago
8 0

Answer:

x= 54°

Step-by-step explanation:

43 + x - 7 = 90°

36 + x = 90°

x= 90-36

x= 54°

Dmitry_Shevchenko [17]3 years ago
4 0

Answer:

54

Step-by-step explanation:

90-43 = 47

x-7 = 47

x=47+7

x = 54

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olasank [31]

Answer:

\frac{x}{-0.75}=y

Step-by-step explanation:

To find the inverse of a function, you switch the x and y values and solve for y. (keep in mind that f(x) is just another way of writing y)

y=-0.75x\\x=-0.75y\\\frac{x}{-0.75}=y

so \frac{x}{-0.75}=y is our answer

3 0
3 years ago
HELPPPP PLEASE!!!!!!!!!!!!
PtichkaEL [24]

Answer:

C

Step-by-step explanation:

7 - 2 = 5

11 - 3(2)

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5 0
3 years ago
Perform the indicated operation to write given polynomial in standard form: (x^3+2x^2 − 3x − 1) +(4 − x − x^3)
Rzqust [24]

Answer:

\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=2x^2-4x+3

Step-by-step explanation:

To write any polynomial in standard form, you look at the degree of each term. You then write each term in order of degree, from highest to lowest, left to write.

To add the polynomials you need to:

Remove parentheses

\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=x^3+2x^2-3x-1+4-x-x^3

Group like terms

\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=x^3-x^3+2x^2-3x-x-1+4

Add similar elements

\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=2x^2-3x-x-1+4\\\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=2x^2-4x-1+4\\\left(x^3+2x^2-3x-1\right)+\left(4-x-x^3\right)=2x^2-4x+3

5 0
4 years ago
What is the slope of the line that passes through the points (2, –3) and (–2, 5)? 2 1/2 -1/2 -2
sergij07 [2.7K]

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Step-by-step explanation:

(2,-3)

(-2,5)

Using the two given points,  you can find the slope by finding the difference in the y coordinates and diving it by the difference in the x coordinates.

y coordinates:  -3 - 5= -8

x coordinates;  2-(-2) = 4  

Slope:  -8/ 4 = -2  

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3 years ago
1. The equation y = -x2 - 2x + 8 is graphed on the
aalyn [17]

Answer:

It B since The root is obtained when F(x)=0 and if F(x)=y this means y=0 and when you look art graph the y=0 presented in two points x=-4 and x=2

7 0
3 years ago
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