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grigory [225]
3 years ago
13

The intersection of the perpendicular rays below has formed which of the following?

Mathematics
1 answer:
dlinn [17]3 years ago
4 0
B. 4 right angles

perpendicular lines always create 90° angles
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Kendra was asked to find the number of students who planned to attend the evening symphony performance. She was told that 40 per
navik [9.2K]

Picture related to the question is attached below

Answer:

Kendra should have divided by 2 instead of multiplying by 2

Step-by-step explanation:

40 percent = percentage who plan to attend

100% = total percentage of student

From the question ;

When reducing percentages, division is employed and this the equation should be :

40/2 ÷ 100/2

40/2 * 2/100

20 * 1/50

20/50

= 0.4

0.4 * 50

= 20 students

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3 years ago
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Which of the following formulas is used to calculate the probability of independent events A and B?
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P (A and B) = P(A) * P(B)...answer is D
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3 years ago
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The quotient of 50 and 5 subtracted from 20 (move numbers and symbols to the line to show the phrase as a numerical expression)
Bas_tet [7]

Answer:

The expression is 20 - 50/5

Step-by-step explanation:

First we have the quotient of 50 and 5.

This is written as:

50/5

And we know that this is equal to 10, but let's leave it as 50/5 for now.

Now we subtract this FROM 20, then we have the number 20, and we subtract 50/5 from it, this is written as:

20 - 50/5

Now we can also solve this:

20 - 50/5 = 20 - 10 = 10

3 0
3 years ago
What does rate of change mean
jeka94

Answer:

A rate of change is a rate that describes how one quantity changes in relation to another quantity.

8 0
3 years ago
at the start of 2014 mikes car was worth 12000 thee value of the car decreased by 30% every year work out the value of his car a
Bas_tet [7]

Answer:

4116

Step-by-step explanation:

2014

12000÷10=1200 (10%)

1200x3=3600

12000-3600=8400

2015

8400÷10=840

840x3=2520

8400-2520=5880

2016

5880÷10=588

588x3=1764

5880-1764=4116

7 0
3 years ago
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