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ahrayia [7]
3 years ago
8

7 - (63/9) to the power of 2 divided by 7

Mathematics
1 answer:
Valentin [98]3 years ago
4 0
6.8 is the answer I got on my calculator
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Select the correct answer.
ss7ja [257]

Answer:

B. (2,-5)

Step-by-step explanation:

The vertex of the function can be found in the most lower value that the function can have.

Since we have an ABS function involved we need to analyse it at first

We know that |x| = x if x> 0 and  |x| = -x if x< 0

if we now change x by x-2 (the content of our ABS function involved, we have the following

|x-2| = x-2 if x-2> 0

|x-2| = -x+2 if x-2< 0

Those inequaiities have a common solution

x-2=0, this means that x=2 is the lowest value the ABS(X-2) has and it is equals to zero.

So by evaluating x=2 in the given function we will obtain its vertex.

leading to f(2)=6 |2-2|-5= -5

Hence the point (2,-5) is the vertex of our function

5 0
3 years ago
Let A = {1, 2, 3, 4}, B = {3, 4, 5, 6}, and C = {5, 6, 7, 8}. Find each of the following sets. (Enter your answers in set-roster
cluponka [151]

Answer:

(a) {1, 2, 5, 6}

(b) {3, 4, 7, 8}

(c) {1, 2, 3, 4, 5, 6, 7, 8}

(d) {1, 2, 7, 8}

Step-by-step explanation:

Given sets,

A = {1, 2, 3, 4}, B = {3, 4, 5, 6} and C = {5, 6, 7, 8},

(a) Since, A Δ B = (A\B)∪(B\A) = all elements of A\B and B\A

∵ A\B = elements of set A which are not in B

= {1, 2}

And, B\A = {5, 6}

So, A Δ B = {1, 2, 5, 6}

(b) B\C = {3, 4},

C\B = {7, 8}

⇒ B Δ C = (B\C)∪(C\B) = {3, 4, 7, 8}

(c) A\C = {1, 2, 3, 4},

C\A = {5, 6, 7, 8},

⇒ A Δ C = (A\C)∪(C\A) = {1, 2, 3, 4, 5, 6, 7, 8}

(d) (A Δ B)\C = {1, 2}

C\(A Δ B) = {7, 8}

A Δ C = ((A Δ B)\C)∪(C\(A Δ B)) = {1, 2, 7, 8}

7 0
3 years ago
Can someone help me (7th grade science) need to be done as soon as possible
tangare [24]

Answer:

oouu I'm in 7th grade science and I already did this I can help!

3 0
3 years ago
Which statement correctly describes the relationship between quadrilateral ABCD and quadrilateral A′B′C′D′ ? An x y coordinate p
Keith_Richards [23]

The answer is; "Quadrilateral ABCD ​ is congruent to ​ quadrilateral A′B′C′D′ ​ because you can map ​ quadrilateral ABCD ​ to ​ quadrilateral A′B′C′D′ ​ using a translation 7 units to the right, which is a rigid motion."

4 0
3 years ago
Need the answer to this please
marishachu [46]
The answer would 110
6 0
3 years ago
Read 2 more answers
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