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Alekssandra [29.7K]
3 years ago
7

The measure of an angle is 60° less than nineteen times the measure of its supplement. what is the measure of the angle?

Mathematics
1 answer:
DerKrebs [107]3 years ago
3 0
Two angles are supplementary when they <span>add up to 180 degrees.

x = angle
19x-60 = </span><span>supplement angle

x + 19x - 60 = 180
20x = 180 + 60
20x = 240
x = 240/20
x = 12</span>°  ← answer
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Evaluate(-<br><img src="https://tex.z-dn.net/?f=%28%20%5Cfrac%7B1%7D%7B2%7D%29%5E%7B5%7D%20" id="TexFormula1" title="( \frac{1}{
Archy [21]

Answer:

0.03125

Step-by-step explanation:

In fraction form i got 1/32. Hope this helps a little bit!

3 0
3 years ago
What binomial do you have to add to the polynomial 2x^2+3y^2-5xy+1 to get the following?
Contact [7]

Binomial -3y^{2}+5xy when added to polynomial 2x^{2} +3y^{2} -5xy+1  gives  polynomial  that does not contain the variable y .

<h3>What is binomial?</h3>

A mathematical expression consisting of two terms connected by a plus sign or minus sign .

Example: x + 2 is a binomial, where x and 2 are two separate terms.

<h3>What is polynomial?</h3>

A polynomial is an expression consisting of indeterminates and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer

According to the question

polynomial 2x^{2} +3y^{2} -5xy+1

when added with  -3y^{2}+5xy  

= 2x^{2}+1   (as 3y^{2} -5xy got cancelled )

that does not contain the variable y

Hence, Binomial -3y^{2}+5xy when added to polynomial 2x^{2} +3y^{2} -5xy+1  gives that does not contain the variable y .

To know more about Binomial and polynomial here :

brainly.com/question/1698358

# SPJ2

3 0
1 year ago
Read 2 more answers
The volume of a gas in cubic centimeters v,varies inversely with the pressure of the gas in liters per square centimeters,p when
scoundrel [369]

Answer:

The volume of the gas is 145.45\ cm^{3}

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form y*x=k or y=k/x

Let

v------> the volume of a gas in cubic centimeters

p-----> the pressure of the gas in liters per square centimeters

so

p*v=k

we have

v=16\ cm^{3}, p=20\ l/cm^{2}

substitute and solve for k

k=16*20=320

The equation is p*v=320

<em>Find  the volume of the gas when the pressure is 2.2 L/cm2</em>

so

For p=2.2\ l/cm^{2} Find the value of v

substitute in the equation

(2.2)*v=320

v=320/2.2=145.45\ cm^{3}

8 0
3 years ago
Please help me answer
marshall27 [118]

Answer:

x=20

Step-by-step explanation:

3 0
2 years ago
Please hurry <br> and answer this question
belka [17]

Answer:

B

12000 divides by 2880 is 42! Hope this could help

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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