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notsponge [240]
3 years ago
13

Kimberly needs to solve the quadratic equation: x^2 + x – 2 = 2. which statement about how kimberly should solve this equation i

s true?
A.The quadratic formula is the only way to solve a quadratic equation.

B.The quadratic formula is a good method because this quadratic equation cannot be easily factored.

C.The quadratic formula is not a good method because you can factor the equation since -2 is divisible by 1.

D.Kimberly cannot solve this quadratic equation because it is not set equal to 0.
Mathematics
2 answers:
igor_vitrenko [27]3 years ago
4 0

B.The quadratic formula is a good method because this quadratic equation cannot be easily factored.

you just have to get 2 over to the left side of the equation.

Nitella [24]3 years ago
3 0

Answer:

THE ANSWER IS B

Step-by-step explanation:

TTM

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What is a relation and what makes it different from a function? How can you determine the domain and range of a function?
Misha Larkins [42]

Answer:

Note that both relations and functions have domains and ranges. The domain is the set of all first elements of ordered pairs (x-coordinates). The range is the set of all second elements of ordered pairs (y-coordinates). Only the elements "used" by the relation or function constitute the range.

6 0
3 years ago
Heelllppp please!!!!!!!
Brums [2.3K]

Answer:

7.9

Step-by-step explanation:

area of circle equals π× 5 = 15.7

area of half of the circle equals 15.7÷2

=7.85

now round it of and it's 7.9

8 0
3 years ago
The local shelter decided to build an addition for cats hey borrowed $6300 from a local bank at a rate of 8% the high school hel
Zepler [3.9K]

Answer:

$378

Step-by-step explanation:

To find the interest that the shelter payed on this loan, we use the formula: I=Prt.

P = $6,300

r = 8% or 0.08

t = 9/12

Now we substitute the values into our formula.

I=Prt.

I=6,300(0.08*\dfrac{9}{12})

I=6,300(0.08*0.75)

I=6,300(0.06)

I=$378

So the shelter payed a total of $378 in interest to the bank.

3 0
3 years ago
6÷2(1+2)=???????????
Drupady [299]

Answer:

9, hope this helps.

8 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP 2 QUESTION ON CONGRUENT TRIANGLES I WILL GIVE BRAINIEST
pantera1 [17]

Answer:

See explanation

Step-by-step explanation:

Q11.     Statement            Reason

1. \overrightarrow {MO} bisects \angle PMN     Given

2. \angle PMO\cong \angle NMO        Definition of angle bisector

3. \overline{MO}\cong \overline{MO}                   Reflexive property

4.  \overrightarrow {OM} bisects \angle PON    Given

5. \angle POM\cong \angle NOM        Definition of angle bisector

6. \triangle PMO\cong \triangle NMO       ASA postulate

Q13.

1. Consider triangles ACB and DCE. In these triangles,

  • \overline{BC}\cong \overline{EC} - given;
  • \overline{AC}\cong \overline{DC} - given;
  • \angle ACB\cong \angle DCE - as vertical angles (by vertical angles theorem)

Hence, triangles ACB and DCE are congruent by SAS postulate.

2. congruent triangles have congruent corresponding sides, so

\overline{BA}\cong \overline{ED}

3 0
3 years ago
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