What do two angles that are complementary, add up to?

Mathematics

1 answer:

jeka57 [31]3 years ago

3 0

Answer:

90°, complementary means 90°

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arlik [135]

Circumference of a circle is 2πr where r is radius of a circle.

2*3.14*7=43.96 almost 44 inches in whole number where π=3.14

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3 years ago

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3 years ago

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If a 25 ft rope is cut into two sections with one section 4 times as long as the other section, how long is the shorter piece?

DaniilM [7]

X = short section of rope
4x = longer section of rope

x + 4x = 25
5x = 25
x = 5

…or in other words the shorter piece of rope is 5 feet long

7 0

3 years ago

Rewrite in simplest terms: -(2c + 8) + 8c

garik1379 [7]

Answer:

$6c-8$

Step-by-step explanation:

We have:

$-(2c+8)+8c=$

$-2c-8+8c=\\$

$6c - 8$

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3 years ago

The table below shows all outcomes for rolling 2 dice. The bold numbers 1 through 6 show the possible results for each die. All

Leokris [45]

Part I:

1. If you have to circle each outcome in the table that at least 1 die is a 4, then you have to circle row corresponding to the number 4 and column corresponding to the number 4.

2. If you have to cross out each outcome where the sum of the dice is greater than 5, then you have to cross out all not bold numbers 6, 7, 8, 9, 10, 11 and 12 in the table.

Part II:

Here you can see 36 possible outcomes.

1. The probability that at least 1 die is a 4 is:

$Pr(A)=\dfrac{11}{36}$ - (favorable outcomes are 4+1=5, 4+2=6, 4+3=7, 4+4=8, 4+5=9, 4+6=10, 1+4=5, 2+4=6, 3+4=7, 5+4=9, 6+4=10).