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Svetllana [295]
3 years ago
10

a triangle is placed in a semicircle with a radius of 7cm, as shown below. find the area of the shaded region. use the value 3.1

4 for pie, and do not round your answer

Mathematics
1 answer:
makvit [3.9K]3 years ago
3 0

Answer:

27.93mm^2

Step-by-step explanation:




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Evaluate the function.
Nimfa-mama [501]

Answer:

-12

Step-by-step explanation:

f ( x) = 2 x 2 + 8 x

Find f(−1)

replace x by its value which is -1

so:

f ( x) =  2 x 2 + 8 x

f ( -1) =  2  (-1)*2 + 8 (-1)

f(-1)= -2*2 + (-8)

f(-1)= -4 -8

f(-1)= -12

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87 less than the quotient of an unknown number and 43 is -75
Dafna11 [192]
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25 POINTS!!!!!!!!!!!!!!!!!! PLEASE HELP!!!!!!!!!!!!!!!!!!!
Pavlova-9 [17]
Write the range of the function given in the graph in interval notation.<span>However, it is much better to </span>write<span> it in set </span>notation<span> or </span>interval notation<span>. Here's the summary of the domain and </span>range<span> of the </span>given function<span> written in two ways… Because the </span>function<span> involved is a line, I can predict that the </span>range<span> is all y values . It can definitely go as high or as low without any limits.
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d. (-4,3)∪(3,8)</span>
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3 years ago
Solve the inequality. Graph the solution set, and write it using interval notation. |5x+4|less than or equal to 10
aniked [119]

we have the inequality

\lvert5x+4\rvert\leq10

step 1

Find out the first solution (positive case)

\begin{gathered} +(5x+4)\leq10 \\ 5x\leq10-4 \\ 5x\leq6 \\ x\leq\frac{6}{5} \\ x\leq1.20 \end{gathered}

The first solution is all real numbers less than or equal to 1.20

Interval (-infinite,1.20]

step 2

Find out the second solution (negative case)

-(5x+4)\leq10

Multiply by -1 both sides

\begin{gathered} (5x+4)\ge-10 \\ 5x\ge-10-4 \\ 5x\ge-14 \\ x\ge-\frac{14}{5} \\ x\ge-2.8 \end{gathered}

The second solution is all real numbers greater than or equal to -2.8

the interval [-2.8, infinite)

step 3

Find out the solution to the given inequality

The solution is

[-2.8, infinite) ∩ (-infinite,1.20]=[-2.8,1.20]

the solution is the interval [-2.8,1.20]

see the attached figure to better understand the problem

8 0
1 year ago
100 points
iragen [17]

Student A is wrong and Student B is correct.

How?

  • Direction is saying to construct a line that passes through C
  • The last step is enough to describe that A is wrong.
  • Its saying to swing an arc(Should be line).
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3 0
2 years ago
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