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Morgarella [4.7K]
3 years ago
9

Every polynomial function of degree 3 with real coefficients has exactly three real zeros. choose the correct answer below. fals

e true
Mathematics
2 answers:
Vikki [24]3 years ago
8 0
False.  It can also have complex number  zeroes.
EleoNora [17]3 years ago
7 0

Answer:

False

They can also have one real zero and two complex zeroes.

Step-by-step explanation:

It is false. They can also have complex zeros.

For example.

(x-3)*(x^{2} + 4x + 5)

Has one real zero(3), and two complex zeros.

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brainly is acting weird for me, loading very slowly to not at all and just getting error 404 message sometimes. searching is bro
Lelu [443]
Same for me it won’t let me pick a certain topic
7 0
3 years ago
Solve the equation for x.<br> 3x + 11 – X + 23 = 4
avanturin [10]

Answer:

x = -15

Step-by-step explanation:

3×+34-×=4

2×+34=4

2×+34-34=4-34

2×=4-34

2×= -30

2×/2=-30/2

×= -15

5 0
3 years ago
Express in the form of p/q :<br><br> (i) 0.12▁3 (ii) 0. ▁621 (iii) 2.2▁18​
konstantin123 [22]

Answer:

1)0.123( bar on 3)

Let X = 0.123 ( bar on 3)

Then X = 0.1233 --------(1)

Multiply equation (1) by 100 we get,

100X = 12.33 --------(2)

Again multiply equation (2) by 10 we get,

1000X = 123.33 -------(3)

Subtract equation (2) from equation (3) we get,

1000X = 123.33

100X = 12.33

____________

900X = 111

X = 111/900

Hence,

0.123 ( bar on 3) is in the form of 111/900 which is in the form of P/Q.

6 0
3 years ago
18% of the the students at a school are in year 8 and 16% of the students are in year 9. If the school has 126 tera 8 students,
yarga [219]

Answer:

112

Step-by-step explanation:

The general form of all percentage questions is: the chunk= (some percentage) (of the whole), or c=p*w

We know that 18% of students are 8th grade and that is 126 students, so p = 0.18 and c=126 (126 students are 18% of the whole school)

126 = (0.18)w, divide both sides by 0.18

126/(0.18) = w = 700

9th graders are 16% of the school or 16% of 700 students

c = (0.16) 700 = 112 students

5 0
3 years ago
There are 63 students marching in a band, and they’re marching in 7 rows. How many students are in each row?
steposvetlana [31]
Total divided by number of rows=number per row
63/7=9
9 per row
3 0
3 years ago
Read 2 more answers
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