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const2013 [10]
3 years ago
14

I NEED HELP!! 20x+36

Mathematics
2 answers:
olya-2409 [2.1K]3 years ago
7 0
I believe it is 4(5x+9)
MissTica3 years ago
6 0
The other person is correct it is 4(5x+9)
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Double somme help please
Lady_Fox [76]

Answer:

looks like a nazi symbol

Step-by-step explanation:

7 0
2 years ago
Simplify fully<br> x2 - 9<br> 3x2 + 8x - 3<br> +<br> X-3<br> x+2
bulgar [2K]

(-3x³+2x²+4x+24) (x-2)

---------------------------------

8x

6 0
3 years ago
What constant term should be used to complete the square?<br> x2 - 5x+_____ = 7
weeeeeb [17]

Answer:25/4

x2 - 5x + _____ = 7. Summary: The constant term that should be used to complete the square? x2 - 5x + _____ = 7 is 25/4.

Step-by-step explanation: hope this helps you

7 0
3 years ago
A square has a diagonal length 18 in. What is the side length of the square?
Elenna [48]

Answer:

9\sqrt{2} inches

or

12.728 inches

Step-by-step explanation:

Use Phytagorean Theorem

a^{2} +b^{2} =c^{2}

Since both all sides of a square are equal, this means that a^{2} and b^{2} are equal.

So that leaves us with:

a^{2} +a^{2} = 18^{2}

Simplify

2a^{2} = 324

Divide both sides by 2

\frac{2a^{2} }{2} =\frac{324}{2}

Simplify

a^{2} = 162

Find the square root of both sides

\sqrt{a^{2} } =\sqrt{162}

a = 9\sqrt{2}

(or if you want the decimal, rounded to the 3rd decimal place: 12.728)

4 0
2 years ago
the diagram shows a right angled triangle. 9cm 15cm x degrees. Find the size of angle x. Give your answer correct to 1 decimal p
77julia77 [94]

Answer:

<u>31°</u>

Step-by-step explanation:

As the opposing side and adjacent side of the angle x are given, we need to take the tan ratio of the angle.

=============================================================

Solving :

⇒ tan x° = 9/15

⇒ tan x° = 3/5

⇒ x = tan⁻¹ (0.6)

⇒ x = <u>31°</u>

8 0
2 years ago
Read 2 more answers
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