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3 years ago

Which polynomial represents the sum below?

Mathematics

1 answer:

marin [14]3 years ago

7 0

Answer:

Step-by-step explanation:

$(4x^2+1)+(4x^2+x+2)= \\\\(4x^2+4x^2)+x+(1+2)= \\\\8x^2+x+3$

Hope this helps!

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Find the value of x from this adjoining figure

Fiesta28 [93]

Answer:

$x=15^\circ$

Step-by-step explanation:

Please refer to the attached figure for labeling of given diagram:

We are given the following angles:

$\angle AOC = 3x^\circ\\\angle BOD = 2x^\circ\\\angle EOF = 7x^\circ$

Angles opposite to each other when they are formed by crossing of two lines are known as vertically opposite angles. And vertically opposite angles are always equal to each other.

Using property of vertically opposite angles:

$\angle EOF = \angle AOB = 7x^\circ$

Line CD is a straight line, so $\angle COD = 180^\circ$

Also,

$\angle COD = \angle COA+\angle AOB+\angle BOD = 180^\circ\\\Rightarrow 3x + 7x + 2x=180^\circ\\\Rightarrow 12x =180^\circ\\\Rightarrow x = \dfrac{180}{12}\\\Rightarrow x = 15^\circ$

Hence, <em>answer</em> is $x = 15^\circ$ .

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3 years ago

3(n+4)=17 using the equation above, write a description

MArishka [77]

Four plus a number times three is seventeen

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3 years ago

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Find the missing exponent: 5^11/5?=5^4

Sergio [31]

The missing exponent is 5^7 your welcome

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3 years ago

HELPP PLZZ ASAP I WILL GIVE BRAINLEST

hichkok12 [17]

The answer is the second choice. First find the percentage of boys who prefer green which is 33%. Then find the percentage of girls who prefer red which is 36%.

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An amount of $550000 was realised when a principal, x was saved at 2% simple interest for 5years. find the value of x

Marina CMI [18]

Answer:

principal=x

amount=principal+interest

550000=x+interest

interest=550000-x

I=PRT/100

550000-x=x×2×5/100

550000-x=10x/100

550000-x=x/10

10(550000-x)=x

5500000-10x=x

5500000=x+10x

5500000=11x

x=5500000/11

x=500000

I would appreciate if my answer is chosen as a brainliest answer

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3 years ago