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White raven [17]
3 years ago
11

Ava purchased a set of 35 stamps. Every month after that month, she purchased 3 more stamps for her collection.

Mathematics
1 answer:
kramer3 years ago
6 0
35+(3n)
i hope this is the correct equation
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WILL GIVE BRAINLIEST!!
MA_775_DIABLO [31]

given a polynomial with factor (x - a)

Then x = a is a root of the polynomial and f(a) = 0

(1)

(x+ 2) is a factor , hence x = - 2 is a root

Evaluate the polynomial for x = - 2

f(- 2) = 5(- 2)³ + 8(- 2)² - 7(- 2) - 6 = - 40 + 32 + 14 - 6 = 0

Hence (x + 2 ) is a factor

(2)

If (x + 1) is a factor then x = - 1 is a root

5(- 1)³ + 8(-1)² - 7(- 1) - 6 = -5 + 8 + 7 - 6 = 4

Since f( - 1) ≠ 0

Then (x + 1) is not a factor


5 0
3 years ago
A triangle was dilated by a scale factor of 2. If cos a° = three fifths and segment FD measures 6 units, how long is segment DE?
kiruha [24]

Answer:

10 units

Step-by-step explanation:

Given that:

Cos a = 3 /5

From trigonometry ;

Cos θ = Adjacent / hypotenus

Side Adjacent angle a = 3 = FD

Hypotenus = 5 = DE

3 / 5 = FD / DE

FD = 6 units

3/5 = 6/DE

DE * 3/5 = 6

DE = 6 ÷ 3/5

DE = 6 * 5 /3

DE = 30 /3

DE = 10 units

6 0
3 years ago
Read 2 more answers
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3 0
3 years ago
Read 2 more answers
What property is -7 + 8 minus + 2
Fofino [41]

I believe its additive Inverse Property

8 0
3 years ago
Will mark brainliest<br> help?
Komok [63]

Answer:

It would go to quadrent 3

Step-by-step explanation:

4 0
3 years ago
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