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3 years ago

I NEED HELP PLZZZ WILL MARK BRAINLIEST WHEN I CAN Find the percent of decrease from 15 touchdowns to 6 touchdowns.

Mathematics

1 answer:

Ipatiy [6.2K]3 years ago

7 0

Answer:

60% decrease.

Step-by-step explanation:

Let's use a ratio:

touchdowns : decreased

15 : 6

5 : 2

100 : 40

The percent decrease is 60%

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Step-by-step explanation:

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3 years ago

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Marina CMI [18]

Answer:

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Step-by-step explanation:

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3 years ago

Pls I am very confused and stuck

ra1l [238]

Answer:

The school population dropped by ~24% in 2014

Step-by-step explanation:

The difference between 2014 and 2010 is 59

We can think of 2010 (245) as the entirety of the percentage and 59 a part of that percentage (59/245)

Since we are trying to find the % value we should set it up as so:

59/245 = x/100

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6 0

3 years ago

Start with the geometric power series LaTeX: 1+x+x^2+x^3+x^4+\cdots Substitute LaTeX: -x^3in place of LaTeX: x, and then take a

valina [46]

Answer:

$-3x^2+6x^5-9x^8+12x^{11}+...=\sum_{n=1}^{\infty }\left ( -1 \right )^n\,\,3n\,\,x^{3n-1}$

Step-by-step explanation:

Given : $1+x+x^2+x^3+x^4+\cdots$

On putting $-x^3$ in place of x , we get $1+\left ( -x^3 \right )+\left ( -x^3 \right )^2+\left ( -x^3 \right )^3+\left ( -x^3 \right )^4+...$

On simplifying , we get $1-x^3+x^6-x^9+x^{12}+...$

On differentiating , we get $\left ( 1-x^3+x^6-x^9+x^{12}+... \right )'=-3x^2+6x^5-9x^8+12x^{11}+...$

Here ,

$-3x^2=\left ( -1 \right )^1\,3(1)x^{3(1)-1}\\6x^5=\left ( -1 \right )^2\,\,3(2)\,\,x^{3(2)-1}\\-9x^8=\left ( -1 \right )^3\,\,3(3)\,\,x^{3(3)-1}\\12x^{11}=\left ( -1 \right )^4\,\,3(4)\,\,x^{3(4)-1}$

Now , we need to express it using summation notation.

$\left ( 1-x^3+x^6-x^9+x^{12}+... \right )'=-3x^2+6x^5-9x^8+12x^{11}+...=\sum_{n=1}^{\infty }\left ( -1 \right )^n\,\,3n\,\,x^{3n-1}$

4 0

3 years ago

Weston used the steps below to determine the percent equivalent to 1/40

Butoxors [25]

Answer:

1/40 = 2.5%

Step-by-step explanation:

METHOD - I

As we know that-

∵ 1 unit = 100%

$\frac{1}{40}$ unit = $\frac{1}{40}$ × 100

$\frac{1}{40}$ unit = $\frac{5}{2}$ %

∴ $\frac{1}{40}$ unit = 2.5%

Hence $\frac{1}{40}$ = 2.5%

METHOD-II

To change a fraction into percentage, simply multiply by 100 in fraction-

∴ $\frac{1}{40}$ × 100 % = $\frac{10}{4}$ %

= $\frac{5}{2}$ %

= 2.5%

3 0

3 years ago

Read 2 more answers

I NEED HELP PLZZZ *WILL MARK BRAINLIEST WHEN I CAN* Find the percent of decrease from 15 touchdowns to 6 touchdowns.

I NEED HELP PLZZZ WILL MARK BRAINLIEST WHEN I CAN Find the percent of decrease from 15 touchdowns to 6 touchdowns.