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Leno4ka [110]
3 years ago
8

Multiply polynomials (x+4)(x+5)

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
3 0

Answer:

x^{2} +9x+20

Step-by-step explanation:

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Heya!!!


Answer to your question is
Option A


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3 years ago
PLEASE HELP WILL GIVE BRANLIEST!! The question is “ Abbey spends 5 hours less then triple the amount of time Emily spends on hom
OLEGan [10]

Answer:

10x-15

Step-by-step explanation:

First, do Abbey. Abbey= 5 hrs less than 3 Emily.

Nathan spends twice as much as Abbey. Then you get 3x (Emily is x) -5 +x (for Emily) +6x - 10 (for Nathan. Add those. You get 3x+x+6x-5-10. I hope this is correct.

8 0
3 years ago
Please help me i will give Brainly
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Answer:

Step-by-step explanation:

\frac{3x + 5}{2x + 7} = 5

do cross multiplication

3x + 5 = 5(2x + 7)

3x + 5 = 10x + 35

5 - 35 = 10x - 3x

-30 = 7x

-30/7 = x

20 A

since there are 7 angles given it means that the polygon is heptagon as heptagon has 7 sides.

sum of interior angle of heptagon = (n-2)*180

(7-2)*180

5*180

900

Now ,

110 + 90 + 150 + 102 + 110 + 170 + x = 900

732 + x = 900

x = 900 - 732

x = 168 degree

20 B

since 5 angles are given it means that the polygon is pentagon as pentagon has 5 sides.

sum of interior angles of a pentagon = (n-2)*180

(5-2)*180

3*180

540 degree

Now ,

110 + 95 + 120 + 114 + x = 540

465 + x = 540

x = 540 - 465

x = 75 degree

21

let one rational number be x

according to the question,

1/7 * x = 2

x/7 = 2

do cross multiplication

x = 14

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3 years ago
Justin has a 2pound bag of Lima beans that he want to divide between 3families.how many pound of Lima beans should each family's
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Answer:

2/3 lbs

Step-by-step explanation:

2 divided by 3=2/3=2/3

Happy learning!

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3 years ago
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