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kondaur [170]
4 years ago
15

Is perpendicular to . How many 90° angles are formed by the intersection?

Mathematics
1 answer:
xxTIMURxx [149]4 years ago
3 0
4, there are 4 equal angles
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When asked to factor the x^2-121 a student gives the answer (x-11)(x-11) what is wron with this answer?
Art [367]

Given expression is x² - 121

This is called Difference of Squared terms, we have a formula that is given as :-

a² - b² = (a - b) · (a + b)

Now using the above formula in the given expression, we get :-

x² - 121

x² - (11)²

here a = x and b = 11

x² - (11)² = (x - 11) · (x + 11)

but it says that student gave the answer as (x - 11) · (x - 11).

So, student's answer should be (x - 11) · (x + 11) instead of product of two (x - 11) terms.

7 0
3 years ago
Read 2 more answers
Can someone please help me ..I can’t get anymore questions wrong or else I will fail I need help
dedylja [7]

Answer:

maybe number 2

Step-by-step explanation:

because if 2+k=18 then there is no other k there and where did the additional 2 come from ?and 2k=18 then value of k is 9 + there is balance.I may be wrong correct me but i think it is no.2

5 0
3 years ago
Read 2 more answers
2. (04.01) Which point could be removed in order to make the relation a function? (4 points) {(-9, -8), (-8, 4), (0, -2), (4, 8)
damaskus [11]

Answer:

We are given order pairs  (–9, –8), (–{(8, 4), (0, –2), (4, 8), (0, 8), (1, 2)}.

We need to remove in order to make the relation a function.

Step-by-step explanation:

Note: A relation is a function only if there is no any duplicate value of x coordinate for different values of y's of the given relation.

In the given order pairs, we can see that (0, –2) and (0, 8) order pairs has same x-coordinate 0.

So, we need to remove any one (0, –2) or (0, 8) to make the relation a function. hope this helps you :) god loves you :)

8 0
3 years ago
What is 3,542 divide by 154
liubo4ka [24]

Answer:

23

Good Luck!!!

8 0
3 years ago
If m2=40 what is the m5
hammer [34]

Answer:

100

Step-by-step explanation:

Solve for m

2m= 40

Divide both sides 2

m= 20

5(20)= 100

8 0
3 years ago
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