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3 years ago

What percent is represented by the shaded area?

Mathematics

1 answer:

bija089 [108]3 years ago

6 0

Answer:

110%

Step-by-step explanation:

because there are two different squares that represent a whole, each with ten sections, the most reasonable answer would be 110%. I hope this helps you!

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1/7-3(3/7 n - 2/7) pleaseeee

trasher [3.6K]

Answer:

1- 9n/7

Step-by-step explanation:

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3 years ago

Solve for x:7x + 3 = 17

solong [7]

X would have to equal 2 because when you multiply that by 7 you get 14 then add 3 and you get 17

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3 years ago

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Explain how to use the graph-and-check method to solve a linear system of two equations in two variables.

telo118 [61]

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3 years ago

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1. To determine simple interest, we use the formula i=prt where i is the interest, p is the principal or initial amount, r is th

Andrews [41]

Step-by-step explanation:

To determine simple interest, we use the formula

$I=Prt$

where I is the interest, p is the principal or initial amount, r is the interest rate is in the unit of years and t is the time in years

When the times is 3 years , then we plug in 3 for 't' directly

$I=Pr(3)\\$

we know that 1 year = 12 months

Suppose, the time is given in months then we divide time 't' by 12

When the times is 4 months , then we plug in 4 for 't' and divide by 12

$I=\frac{Pr(4)}{12}$

we know that 1 year = 365 days

Suppose, the time is given in days then we divide time 't' by 365

When the times is 45 days , then we plug in 45 for 't' and divide by 365

$I=\frac{Pr(45)}{365}$

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3 years ago

In a random sample of 500 handwritten zip code digits, 464 were read correctly by an optical character recognition (OCR) system

In-s [12.5K]

Answer:

z= 2.38

P = 0.008656

Step-by-step explanation:

Here n= 500 and p~= 464/500= 0.928 and q`= 1- 0.928 = 0.072

We formulate our null and alternate hypothesis as

H0 = 0.9 ; H0 > 0.9

The degree of confidence = 90%

z₀.₀₅ = 1.645 for α= 0.05

We use the test statistic

z= x- np/√npq

z= 466-500 *0.9/ √500 * 0.9(1-0.9)

z= 466- 450/ √45

z= 16/6.7082

z= 2.38

As the calculated value of z= 2.38 is greater than α =1.645 so we reject H0.

If H0 is true the P value is calculated as

P = 1- Ф( 2.38)

P = 1-0.991344=0.008656

7 0

3 years ago