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seropon [69]
3 years ago
14

How do you solve this problem

Mathematics
1 answer:
Vikentia [17]3 years ago
7 0
Get the app called Photomath. It should help with this:)
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Quiz Normal Distribution
nadya68 [22]

Answer:

b

Step-by-step explanation:

cause its 7

i know also cause it what i do im a math teacher at k12 online school

7 0
2 years ago
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What is the area of the semicircle (use 3.14 for ρ)?
oee [108]

Answer:

127.17cm²

Step-by-step explanation:

Area of a semicircle: πr² ÷ 2

d = 18

r = 18/2 = 9

Area of a semicircle: 9²π ÷ 2 = 127.17cm²

3 0
3 years ago
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Joaquin is constructing the perpendicular bisector of AB. What should be his
Licemer1 [7]
The correct answer is C
4 0
3 years ago
A line of 8cm was measured as 8.04cm what is the percentage error​
BlackZzzverrR [31]

Answer:

0.5% error

Step-by-step explanation:

We can use the percentage error formula, which is

\frac{|approx-exact|}{exact}\cdot100.

We know that the approximated value was 8.04, however it is actually 8cm, so we can substitute inside the equation.

\frac{|8.04 - 8|}{8}\cdot100 \\\\\frac{0.04}{8}\cdot100 \\\\0.005\cdot100 \\\\0.5

Hope this helped!

5 0
3 years ago
Determine if the ordered pair is a solution of the equation. Is the point (2,1) is a solution of the equation: y = 2x - 3?
vladimir2022 [97]
I think it is false but I am not for sure
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3 years ago
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