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Anastasy [175]
3 years ago
15

Add the polynomials (-12x^5-7x^3+12x^2+11)+(4x^3+6x^2-6x+3)

Mathematics
1 answer:
tatuchka [14]3 years ago
6 0

Answer:

-12x^5-3x^3+18x^2+14

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Usually it's fun when you know what's going on....
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Noah spent $190 on books. Math books cost $26 and English books cost $28. If he bought a total of 7 books, then how many of each
goldenfox [79]

Answer:

he bought three math books and four english books

Step-by-step explanation:

26x3=78 (three books)

28x4=112 (four books)

112+78=190

7 0
3 years ago
Ezra surveyed some students at his school about their favorite classes.
Shalnov [3]

Answer:

1/3

Step-by-step explanation:

total number of students = 15

students that chose choir as their favourite class= 5

P(choir)= 5/15 = 1/3

7 0
3 years ago
Trensie is flipping a weighted coin where the probability of landing on tails is 1/ 3 . If she flips the coin two times, what is
fomenos
The total possibilities is still 4.
H H
H T <<<< 
T H <<<<
T T

The two that work are marked with <<<<

H T = 1/3 * 2/3 = 2/9
T H = 2/3 * 1/3 = 2/9



The total is 2/9 + 2/9 = 4/9
We should check this
1 heads = 4/9
2 heads = 1/9
2 tails = 4/9
4/9 + 4/9 + 1/9 = 1 It checks 
4 0
3 years ago
Which is a equation of the line that has the slope of - 4and passes through the point (- 2, 5)?
laila [671]

Answer:

y = - 4x - 3

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - 4, thus

y = - 4x + c ← is the partial equation

To find c substitute (- 2, 5 ) into the partial equation

5 = 8 + c ⇒ c = 5 - 8 = - 3

y = - 4x - 3 ← equation of line

7 0
3 years ago
Read 2 more answers
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