Create an expression without parentheses that is equivalent that is equivalent to 4(6x+x)

Answers

Answer 1

Answer: This is what the distributive property is all about.
4(6x +x) = 4*6x +4*x = 24x +4x
Of course, this can be simplified further by combining the terms.
24x +4x = (24 +4)x = 28x

Equivalent expressions without parentheses are ...
24x +4x
28x

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Which of the following expressions has the greatest value when x=5? show how you arrived at your choice.2x^2+7

x^3-5/3

10x -2/ x-3

Answers

Answer:

2x^2+7

Step-by-step explanation:

Let x=5

2x^2+7

2 ( 5)^2 +7 = 2*25 +7 = 50+7 = 57

(x^3-5)/3

(5^3 -5)/3 = (125-5)/3 = 120/3 = 40

(10x -2)/ (x-3)

(10*5-2)/(5-3) = (50-2)/(2) = 48/2 = 24

a technician charges 25$ per hour plus 50$ for a house call to repair home computers. make a table and a graph to show the cost for 1,2,3, and 4 hours of home computer repair service. is there a direct variation?

Answers

Answer:

75$

Step-by-step explanation:

because 25+50=75

Answer:

The graph starts at $75 since the price for call is $50 and 1 hour of work costs $25.

Direct variation is only noticeable at the beginning of the graph after that the function is linear.

Step-by-step explanation:

Is a tangent toX, and X is the center of the circle. What is the length of the radius of the circle?4
6
12
12.8

Answers

12.8 is the answer to this problem

Urgent can you help right away! Please help with these math questions!!!!
Answer 1 and 2 in hundredths and 3 in tenths

Answers

A
R=8 km
B
r= 7ft
h = 11ft
C
r= 10 mi
h = 20 mi

Find the values of each variable

Answers

That is true and one of them is the answer

Help me out please and thank you

Answers

Answer: 1

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

Explanation:

We're given the height in relation to base BC, so we need to find the length of this base. This is the same as finding the distance from B to C.

Turn to the distance formula

$d = \text{Distance from B to C}\n\nd = √((x_1-x_2)^2+(y_1-y^2)^2)\n\nd = √((-2-(-3))^2+(-1-(-2))^2)\n\nd = √((-2+3)^2+(-1+2)^2)\n\nd = √((1)^2+(1)^2)\n\nd = √(1+1)\n\nd = √(2)\n\n$

Coincidentally, the base and height are the same. This won't always be the case.

Now we can find the area of the triangle

$A = \text{Area of triangle}\n\nA = (1)/(2)*\text{Base}*\text{Height}\n\nA = (1)/(2)*√(2)*√(2)\n\nA = (1)/(2)*√(2*2)\n\nA = (1)/(2)*√(4)\n\nA = (1)/(2)*2\n\nA = 1\n\n$

The area of the triangle is 1 square unit.

See diagram below.

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