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Valentin [98]
3 years ago
14

5(2x+6)= -4(-5-2x)+3x

Mathematics
2 answers:
Contact [7]3 years ago
6 0
5(2x + 6) = -4(-5 - 2x) + 3x

Distribute: 10x + 30 = 20 + 8x + 3x

Combine like terms: 10x + 30 = 20 + 11x

Simplify: 10x + 30 - 20 = 20 - 20 + 11x

Simplify: 10x - 10x + 10 = 11x - 10x

Divide for x: 10/1 = 1x/1

x = 10

Masja [62]3 years ago
5 0
10x+30=20+11x

10x=20+11x-30

10x-11x=-10

-1x=-10

X=10
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part of the object is a rectangle that is twice as tall it is wide one of the rectangles sides is also a side of a pentagon
Crazy boy [7]

Answer:

c

Step-by-step explanation:

5 0
3 years ago
The set (3,5,___________<br> could not be the sides of a triangle<br> 3,2,5,7
inna [77]

Answer:

  (3, 5, 2)

Step-by-step explanation:

Many authors interpret the triangle inequality to mean the sum of the two short sides must <em>exceed</em> the length of the long side. For side measures 2, 3, 5, the sum of the two short sides is <em>exactly equal</em> to the long side, in violation of the triangle inequality. Hence (3, 5, 2) is not a triangle.

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<em>Comment on the triangle inequality</em>

Other authors allow the "or equal to" case, meaning sides of lengths 2, 3, 5 will be considered to be a triangle because 2+3=5. This interpretation of the triangle inequality will result in <em>no solution</em> to your question.

A (3, 5, 2) "triangle" will look like a line segment of length 5. It will have an area of zero.

3 0
4 years ago
The general form for a linear equation is given as: y = a + bx. In the regression equation, b is called the ______.
Viktor [21]

Answer:

Slope

Step-by-step explanation:

In the regression equation y=a+bx, y is dependent variable and x is independent variable. It means that due to change in x the y changes respectively. The "a" is intercept of the model and it shows the value of y when x is zero. The "b" is the slope of the model and it depicts the change in y due to unit change in x. The positive value of b means that as the x increases y also increases and as the x decreases y also decreases. The negative value of b means that as the x decreases y increases and as the x increases the y decreases.The sign of b shows the type of relationship between independent and dependent variable.

5 0
3 years ago
The sales tax rate is 8.75% and the sales tax is $15.75, what is the purchase price? (Round to the nearest cent.)
ivann1987 [24]
X= purchase price


Multiply purchase price by sales tax % to equal the amount of sales tax.

(8.75% * x)= $15.75
convert % to decimal (8.75% ÷ 100)

0.0875x= 15.75
divide both sides by 0.0875

x= $180.00 purchase price


ANSWER: The purchase price is $180.00 (to nearest cent).

Hope this helps! :)
4 0
3 years ago
A book has a front and back and 400 pages .
a_sh-v [17]

The minimum thickness of the book would simply be the sum of the thickness of the two cover pages and all the pages in between. That is:

minimum thickness = 0.9 mm * 2 + 0.13 mm * 400

minimum thickness = 53.8 mm

Put a thanks

Thank you

8 0
3 years ago
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