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liubo4ka [24]
2 years ago
8

Can someone help me with this please

Mathematics
1 answer:
STALIN [3.7K]2 years ago
8 0
You can’t evaluate that I’m pretty sure
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(SAT Prep) Find the value of x.
emmainna [20.7K]

Answer:

120 deg

Step-by-step explanation:

Draw a horizontal line that passes vertices of 2 angles 125 deg and 115 deg.

This line is perpendicular with 2 vectors.

Apply the property of vertical angles and the sum of 3 angles in a triangle.

x = 180 - (125 - 90) - (115 - 90) = 120 deg

5 0
2 years ago
Consider the inverse function. Which conclusions can be drawn about f(x) = x2 + 2? Select three options. f(x) has a limited rang
PolarNik [594]

Answer:

f(x) has a limited range

f(x) has a maximum at the point (0, 2)

f(x) has a y-intercept at the point (0, 2).

Step-by-step explanation:

Given the function;

f(x) = x^2+2

The domain is the value of the input variables for which the function will exist. According to the expression given, the function exists on all real values of x. The same goes with range which deals with the output values. It also exists on all real values from 2 and above.

Hence f(x) have a limited range (since values less than 2 are not included compare to domain that exists on all real values) and does not have a restricted domain.

For the x intercept, x intercept occur at y = 0

substitute y = 0 into the function and get y

if y = f(x)

y = x^2+2

0 = x^2 + 2

x^2 = -2

x = 2i

Hence  f(x) does not have an x-intercept of (2, 0)

For the y intercept, y intercept occur at x = 0

substitute x = 0 into the function and get y

if y = f(x)

y = x^2+2

y = 0^2 + 2

y = 2

Hence  f(x) has a y-intercept at point (0, 2)

f(x) is at maximum if d(fx))/dx = 0

d(fx))/dx  = 2x

since  d(fx))/dx  = 0

0 = 2x

x = 0

substitute x = 0 into the function

f(x) = x^2 + 2

y = 0^2+2

y = 2

Hence f(x) has a maximum at the point (0, 2)

5 0
2 years ago
Read 2 more answers
Plz help fast will mark brainliest!!!
ki77a [65]
The answer :9.1×10 ^3

3 0
2 years ago
If a group if distinct objects can be arranged in 120 different ways, how many onjects are there?​
Rom4ik [11]

Answer:

60

Step-by-step explanation:

120/2

7 0
3 years ago
Which polynomial correctly combines the like terms and puts the given polynomial in standard form?
Minchanka [31]

Answer: -5x^3y^3+8x^4y^2-7xy^5+x^2y^4+8x^6

Step-by-step explanation:

-5x^3y^3+8x^4y^2-xy^5-2x^2y^4+8x^6+3x^2y^4-6xy^5

-5x^3y^3+8x^4y^2+(-xy^5-6xy^5)+(-2x^2y^4+3x^2y^4)+8x^6

-5x^3y^3+8x^4y^2+(-7xy^5)+(x^2y^4)+8x^6

-5x^3y^3+8x^4y^2-7xy^5+x^2y^4+8x^6

8 0
3 years ago
Read 2 more answers
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