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3 years ago

3+7+11+15+19+23+271.t1=s1=express t1 in terms of s1

Mathematics

1 answer:

icang [17]3 years ago

8 0

So it would be 3s + 7s + 11s + 15s + 19s + 23s + 27s. Hope this helps

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The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or below the e

gizmo_the_mogwai [7]

Answer:

The large sample n = 1713.96

Step-by-step explanation:

<u>Explanation</u>:-

given the population proportion was estimated to be 0.22

population proportion (P) = 0.22

The 95 % level of significance = 1.96≅ 2

The margin of error = 0.02

The formula of margin error

$\frac{2\sqrt{p(1-p)} }{\sqrt{n} } = 0.02$ … ( i )

Substitute 'p' values in equation (1)

$\frac{2\sqrt{0.22(1-0.22)} }{\sqrt{n} } = 0.02$

cross multiplication and simplification, we get

$2X0.414= 0.02 \sqrt{n}$

$\frac{2X0.414}{0.02} = \sqrt{n}$

$41.4 = \sqrt{n}$

squaring on both sides, we get

the large sample n = 1713.96

7 0

3 years ago

The next step in assembling the coffee table is to attach a support from point D to point C, which is halfway down leg A.

Phoenix [80]

I THINK IT WOULD BE 54 INCHES TALL I THINK

7 0

3 years ago

Four less than the product of a number and 7 is eight more than that number

GuDViN [60]

Answer:

Step-by-step explanation:

Replace the number with x, then the equation would be:

7x-4=x+8

7x-x=8+4

6x=12

6x/6=12/6

x=2

6 0

3 years ago

27.1% of city employees ride the bus to work. This is up 47% from last year. What percent of employees rode the bus to work last

dolphi86 [110]

Answer:

18.44%

Step-by-step explanation:

Let :

Percentage who rode bus to work last year = x

Percentage who ride bus to work this year = 27.1%

Percentage who ride bus to work this year = [percentage who rode bus to work last year + 47% of percentage who rode bus to work last year]

Mathematically ;

27.1% = x + 47% of x

0.271 = x + (0.47x)

0.271 = x + 0.47x

0.271 = 1.47x

x = 0.271 / 1.47

x = 0.1843537

x = 0.1843537 * 100%

x = 18.435%

x = 18.44%

4 0

3 years ago

If Mr. Jones buys paddles for $35 instead of $50 and uses the same percent increase on price how many paddles most Mr. Jones sel

just olya [345]

Answer: 4 paddles

Step-by-step explanation:

Mr. Jones buys the paddle for $35 and sells at 180% of the purchase price:

= 35 * 180/100

= $63

For the number of paddle sales to be at least $250, he should sell:

= 250/63

= 3.97

= 4 paddles

3 0

3 years ago

3+7+11+15+19+23+271.t1=s1=express t1 in terms of s1​

3+7+11+15+19+23+271.t1=s1=express t1 in terms of s1