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77julia77 [94]
2 years ago
9

Vertical angles must : check all that apply

Mathematics
2 answers:
olga nikolaevna [1]2 years ago
7 0
Answer: Options A and C
trapecia [35]2 years ago
3 0

Answer: B and C

Step-by-step explanation: For A, vertical angles can be complimentary or supplementary. For D, vertical angles can sometimes be acute but not always.

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Which exponential function goes through the points (1, 16) and (4, 128)?
djyliett [7]

Answer:

Here is the complete question (attachment).

The function which represent the given points are f(x)=8(2)^{x}

Step-by-step explanation:

We know that a general exponential function is like,y=a(b)^{x}

We can find the answer by hit and trial method by plugging the values of (x,y) coordinates.

Here we are going to solve this with the above general formula.

So as the points are (1,16) then for x=1,\ y=16

Can be arranged in terms of the general equation.

ab^1=16...equation(1) and ab^4=128...equation(2)

a\times b=16, then\ a=\frac{16}{a}

Plugging the values in equation 2.

We have

\frac{16}{b} b^4=128,16\times b^3=128,b=\sqrt[3]{\frac{128}{16}} =\sqrt[3]{8}=2

Plugging b=2 in equation 1.

We have a=\frac{16}{b} =\frac{16}{2} =8

Comparing with the general equation of exponential a=8 and b=2

So the function which depicts the above points =y=8(2)^x

From theoption we have B as the correct answer.

7 0
4 years ago
You ask four people to the prom. If X is the number of "yes" responses, what is E(X)? Assume equal probability for
VladimirAG [237]

Answer:

e is the amount of people

Step-by-step explanation:

4 x so let’s say you have two x you have 50% of the people that said yes.

6 0
3 years ago
I need help with 2 questions about circumference. ITS ALMOST DUE 20 POINTS thank you
aksik [14]

Answer:

This is against the honor code sry :(

Step-by-step explanation:

"Students are never allowed to post questions directly from tests, quizzes, and assessments, or copy answers found on Brainly during tests, quizzes, and assessments."

3 0
3 years ago
Find the area of the parallelogram​
Natalka [10]

Answer:

96 m²

Step-by-step explanation:

The area of a parallelogram is the height of the parallelogram multiplied by it's length. So, in this context:

12*8 = 96

4 0
4 years ago
Help ASAP! ill mark brainliest if correct
irina [24]

Answer:

fourth option

Step-by-step explanation:

The mean is calculated as

mean = \frac{sum}{count}

         = \frac{15+16+21+23+25+25+25+39}{8}

        = \frac{189}{8}

       = 23.6 ( to 1 dec. place )

The median is the middle value of the data set. If there is no exact middle then it is the average of the values either side of the middle.

15  16  21  23  25  25  25  39

                    ↑ middle

median = \frac{23+25}{2} = \frac{48}{2} = 24

The mode is the value that occurs most often, that is 25

Thus

mean = 23.6 , median = 24 , mode = 25

5 0
3 years ago
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