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levacccp [35]
3 years ago
10

Someone help me on this one

Mathematics
2 answers:
MrRissso [65]3 years ago
4 0

dec is a TRANSLATION of abc across the line

AfilCa [17]3 years ago
4 0

Triangle ABC just moved to the right to become triangle DEC, so it is a translation.

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there are 30 students in a math class of the 30 students 30% have an a in math 40% have a b in math how many students have a c i
stepladder [879]

the answer is 9

30 percent of 30 is 9

40 percent of 30 is 12

12+9 =21

30-21 =9

3 0
3 years ago
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The function f(x)=(x-5)^2 +2 is not one-to-one. Identify a restricted domain that makes the function one-to-one, and find the in
Anon25 [30]

We have been given a quadratic function f(x)=(x-5)^{2} +2 and we need to restrict the domain such that it becomes a one to one function.

We know that vertex of this quadratic function occurs at (5,2).

Further, we know that range of this function is [2,\infty).

If we restrict the domain of this function to either (-\infty,5] or [5,\infty), it will become one to one function.

Let us know find its inverse.

y=(x-5)^{2}+2

Upon interchanging x and y, we get:

x=(y-5)^{2}+2

Let us now solve this function for y.

(y-5)^{2}=x-2\\
y-5=\pm \sqrt{x-2}\\
y=5\pm \sqrt{x-2}\\

Hence, the inverse function would be f^{-1}(x)=5+\sqrt{x-2} if we restrict the domain of original function to [5,\infty) and the inverse function would be f^{-1}(x)=5-\sqrt{x-2} if we restrict the domain to (-\infty,5].

8 0
3 years ago
Could somebody help me with this question please?
ELEN [110]
The answer would be 20. Because the whole angle would have to be 90 so you already have 30 so that leaves you with 60 which you divide by 3 and gives you 20
4 0
3 years ago
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Find the distance between the two points rounding to the nearest tenth (if necessary).
ra1l [238]

Answer:

poit 1 5 q

Step-by-step explanation:

3 0
3 years ago
-56z+28 is equal to what?
Svetlanka [38]

Answer:

Factor  − 28  out of  − 56 z + 28 .

answer = − 28 ( 2 z  −  1 )

Step-by-step explanation:

Hope this helps! Have a great day!

8 0
3 years ago
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