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3 years ago

Find the value of x? x=????

Mathematics

1 answer:

AnnyKZ [126]3 years ago

8 0

Answer:

15.5

Step-by-step explanation:

The plus of two angles in the picture are 90 degrees: 37° + 53°

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What is the relationship between rational numbers and ratios?

bazaltina [42]

A rational number is any number that can be express as a ratio integers whose decimal value is finite or at some point repeats with out end. (Any whole number positive or negative- can be expressed as an improper fraction.

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4 years ago

Place the indicated product in the proper location on the grid.

marishachu [46]

Answer:

See explanation

Step-by-step explanation:

$(a+b)(a^2-ab+b^2)=a^3-a^2b+ab^2+a^2b-ab^2+b^3=a^3+b^3$

$(1-7x)(1+9x)=1+9x-7x-63x^2=-63x^2+2x+1$

$(x+y+3)(x+y-4)=x^2+xy-4x+xy+y^2-4y+3x+3y-12=x^2+2xy+y^2-x-y-12$

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$(m^3n+8)(m^3n-5)=(m^3n)^2-5m^3n+8m^3n-40=m^6n^2+3m^3n-40$

$(4-(3c-1))(6-(3c-1))=(4-3c+1)(6-3c+1)=(5-3c)(7-3c)=35-15c-21c+9c^2=9c^2-36c+35$

$(ab-9)(ab+8)=(ab)^2+8ab-9ab-72=a^2b^2-ab-72$

$(a+b-c)(a+b+c)=a^2+ab+ac+ab+b^2+bc-ac-bc-c^2=a^2+b^2-c^2+2ab$

$(a+3)(a-2)=a^2-2a+3a-6=a^2+a-6$

10.

$(3m^3-y)(3m^3-y)=(3m^3)^2-3m^3y-3m^3y+y^2=9m^6-6m^3y+y^2$

11.

$(2x-3y)(4x-y)=8x^2-2xy-12xy+3y^2=8x^2-14xy+3y^2$

12.

$(x^2+2x-1)(x^2+2x+5)=x^4+2x^3+5x^2+2x^3+4x^2+10x-x^2-2x-5=x^4+4x^3+8x^2+8x-5$

13.

$(4x-3y+5)(x+2y-3)=4x^2+8xy-12x-3xy-6y^2+9y+5x+10y-15=4x^2+5xy-6y^2-7x+19y-15$

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4 years ago

IF AM = 10, then TC =?

Artyom0805 [142]

Hey there,

AM= 10

180 - 10 = 170.

TC equals 170.

Hope this helps.
~Jurgen

3 0

3 years ago

Read 2 more answers

What is the average of 30, 40, and 80?

Alenkinab [10]

Because 80+40+30 equals 150 then you divide by how many number there are and there are 3 so 150 divided by 3 = 50

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3 years ago

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Find the measure of DBE if abc is 145 answers 30 60 90 145

Vika [28.1K]

Your anwser will be 30

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3 years ago