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Mathematics

1 answer:

777dan777 [17]2 years ago

6 0

Answer:

I hope this helped. Look throught the pictures

Step-by-step explanation:

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How are percent error and percent change similar

mihalych1998 [28]

Percent Change = New Value − Old Value|Old Value| × 100%

Example: There were 200 customers yesterday, and 240 today:

240 − 200|200|× 100% = 40200 × 100% = 20%

A 20% increase.

Percent Error = |Approximate Value − Exact Value||Exact Value| × 100%

Example: I thought 70 people would turn up to the concert, but in fact 80 did!

|70 − 80||80| × 100% = 1080 × 100% = 12.5%

I was in error by 12.5%

(Without using the absolute value, the error is −12.5%, meaning I under-estimated the value)

The difference between the two is that one states factual calculations and the other is a theoretical guess

5 0

2 years ago

This circle, with center point Q, has a radius of 10 centimeters. The length of the minor arc NP is 20.42 centimeters. To the ne

maxonik [38]

The complete question in the attached figure

we know that
[the length of a circumference]=2*pi*r
for r=10 cm
[the length of a circumference]=2*pi*10-----> 62.8 cm

if 360° ( full circle) has a length of---------> 62.8 cm
x--------------------------------------> 20.42 cm
X=20.42*360/62.8-----> x+117.05°-------> x=117°

the answer is
the value of x is 117°

6 0

2 years ago

Nayo draws a quadrilateral. it has adjacent sides measuring 16 inches and 20 inches and a diagonal measuring 25 inches. is her q

Serggg [28]

No, the one that Nayo draw was not a quadrilateral since the measurements given does not give a right triangle. The values 16,20 and 25 does not agree with Pythagorean Theorem. Hope this answers the question. Have a nice day. Feel free to ask more questions.

6 0

2 years ago

Need help What is 50 x 10 to the 2nd power in standard form?

Ber [7]

50x10=500^2=250,000

7 0

2 years ago

(80 + 240 times 3) ÷ 20 Solve the equation

shutvik [7]

240x3= 720

720+80 = 800

800/20= 40

The answer is 40.

Tell me if this helps
Please mark me as brainliest

8 0

1 year ago