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Sphinxa [80]
3 years ago
5

How many real roots does the function f(x)=x^2-3x+4 have

Mathematics
1 answer:
nadya68 [22]3 years ago
5 0
Since b^2 - 4ac = 9-16 < 0

There is no real root present. 
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et mA = 40°. If B is a complement of A, and C is a supplement of B, find these measures. mB = ° mC = °
Free_Kalibri [48]

Alright, lets get started.

We have given angle A = 40°

We are also given angle B is complement of A.

Complementary angles are two angles whose sum is 90, it means

angle B = 90- A

angle B = 90 - 40

angle B = 50° Answer

Now given, angle C is supplement of angle B.

Supplementary angles are two angles whose sum is 180°.

Means angle C = 180 - B

angle C = 180 - 50

angle C = 130° : Answer

Means angle B = 50° and angle C = 130°

Hope it will help :)

5 0
3 years ago
The carnival also offers two magic shows. The morning show is only 20 minutes and it costs $3.75. For the afternoon show, it is
Oksi-84 [34.3K]

Answer:

35 min show

Step-by-step explanation:

3.75 / 20 = .1875

5.25 / 35 = .15

you pay less for the 35 min show

can i please get brainliest! :)

5 0
2 years ago
Calculate the highest common factor (HCF) for 64 ​
lord [1]

Answer:

1 2 4 8 16 32 64

Step-by-step explanation:

prime factors of 64 is 2 so

2____64

2____32

2____16

2_____8

2_____4

2_____2

1

6 0
2 years ago
Read 2 more answers
Filomena applies the commutative property to the product. (7/15)⋅(−11)⋅(30) Which expression illustrates the commutative propert
dedylja [7]

  • The commutative property is a number property where the answer obtained is the same no matter the position of the numbers you are multiplying together.

  • Commutative property of multiplication is expressed as:

        a x b = b x a

        a x b x c = a x c x b = b x c x a

  • Note: " . " in the question also means "x" (multiplication)

  • Applying commutative property to the question:

(7/15)⋅(−11)⋅(30)

(7/15) ⋅ (−11) ⋅ (30) = (7/15) . (30) . (11)

The values interchanged are: 11 and 30. The result of the multiplication remains unchanged.

Option A  is the correct answer.

To learn more, visit the link:

brainly.com/question/24733555

8 0
2 years ago
Read 2 more answers
Read the following two statements. Then, if possible, use the Law of Detachment to draw a conclusion.
jeyben [28]
<span>The hypothesis is : If Robbie wants to save money to buy a car. Conclusion : he must get a part-time job. 

Robbie already started the new job yesteday. So, that makes the hypothesis true. 

So, the conclusion would be : Robbie will save money to buy a car/ Robbie will buy a car.</span>
8 0
2 years ago
Read 2 more answers
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