73/260 73 is what percent of 260. also 42/220 42 is what percent of 220. please help.

Answers

Answer 1

Answer: 73 = x(260). Translate the word "is" as equals, and "of" as multiply. Divide both sides by 260 (as you already did): 73/260 = x

73/260 = 28%. (Move the decimal point two positions to the left).

42/220 = 19%.

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Write an equation in slope-intercept form of the line shown in the graph below.A. y = -2x + 1 B. y = -4x + 2 C. y = 4x + 2 D. y = 2x - 2

How would y=3/x affect the graph compared to y=1/x

Answers

Answer:The answer will be 2x

Step-by-step explanation:

How to solve 5(x+2)(x-2)

Answers

The answer is: 5x^2-20

A skier has decided that on each trip down a slope, she will do 2 more jumps than before. On her first trip she did 6 jumps. Derive the sigma notation that shows how many total jumps she attempts from her fourth trip down the hill through her twelfth trip. Then solve for how many total jumps she attempts from her fourth trip down the hill through her twelfth trip.I tried to answer, but I don't really know how to even set it up... :/

Answers

The correct answers are:

Explanation:

Since she is adding two more jumps every time she goes down hill, this is an arithmetic sequence. The general form of an arithmetic sequence is

Since we want the number of jumps on her 4th through 12th trips, we will set n in the summation from 4 to 12. n=4 goes at the bottom of Σ and 12 goes at the top, to represent the values we are interested in.

Beside this, we write our general form. The first term is 6 and d, the common difference, is 2. This gives us 6+2(n-1) beside the summation:

$\Sigma_(n=4)^(12) 6+2(n-1)$

To evaluate this, we substitute the values 4, 5, 6, 7, 8, 9, 10, 11 and 12 in for n, adding all of the values together:

6+2(4-1)+6+2(5-1)+6+2(6-1)+6+2(7-1)+6+2(8-1)+6+2(9-1)+6+2(10-1)+6+2(11-1)+6+2(12-1)

=6+6+6+8+6+10+6+12+6+14+6+16+6+18+6+20+6+22

=180

I'll just manually compute this one. Every attempt she will add 2 more jumps.

Attempt Jumps Accumulated Jumps
1 6 6
2 8 14
3 10 24
4 12 36
5 14 50
6 16 66
7 18 84
8 20 104
9 22 126
10 24 150
11 26 176
12 28 204

Total jumps from 4th trip through 12th trip: 204 - 24 = 180 jumps

Convert the angle 13°38'35\" to decimal degrees and round to the nearest hundredth of a degree..

Answers

We want to convert the angle 13°38'35\" to decimal degrees and round to the nearest hundredth of a degree. The answer will be 13.6397 degrees.

Hello,

13°38'35"=13°+38/60°+35/3600°=13,643055...≈13.64

An other way, using Windows 's calculator:

13.3835 INV DMS (or deg)

Rachel is using grouping to find the factors of a quadratic expression. She has reached the step shown below. Determine the factored form and the standard form of the quadratic polynomial. Factored form: (3x - 4)(x + 2) Standard form: 3x2 + 2x - 8 Factored form: (3x + 2)(x + 4) Standard form: 3x2 + 2x + 8 Factored form: (3x - 2)(x - 4) Standard form: 3x2 - 2x - 8 Factored form: (3x + 4)(x - 2) Standard form: 3x2 - 2x + 8 Reset Submit Rewriting Expressions: P Unanswered

Answers

Answer: First option is correct.

Step-by-step explanation:

Since we have given that

If the factored form is given by

$(3x-4)(x+2)$

Then its standard form will be given by

$(3x-4)(x+2)\n\n=3x^2+6x-4x+8\n\n=3x^2+2x+8$

if factored form is given by

$(3x+2)(x+4)$

Then its standard form will be given by

$(3x+2)(x+4)\n\n=3x^2+12x+2x+8\n\n=3x^2+14x+8$

Hence, only first option is correct.

Answer:

Factored form: (3x-4)(x+2)

Standard form: 3x^2+2x-8

Step-by-step explanation:

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

3x(x+2)-4(x+2)=(3x^2+6x)-(4x+8)

=3x^2+6x-4x-8

=3x^2+2x-8

On his first day of school, Kareem found the high temperature in degrees Fahrenheit to be 76.1°. He plans to use the function C of F = five-ninths (F minus 32) to convert this temperature from degrees Fahrenheit to degrees Celsius. What does C(76.1) represent?

Answers

Answer: the temperature of 76.1 degrees Fahrenheit converted to degrees Celsius

Step-by-step explanation:

Answer:Aka) A

Step-by-step explanation:

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