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Katen [24]
2 years ago
8

Lisa places 5 rows of 4 juice boxes in the refrigerator . draw an array and skip count to find the total number of juice boxes

Mathematics
2 answers:
stellarik [79]2 years ago
5 0
25 is the answer and it is right

xxMikexx [17]2 years ago
4 0
Just multiply 4/5 and then you get 20:answer
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Angles α and β are angles in standard position such that: α terminates in Quadrant I and sinα = 3/5 β terminates in Quadrant III
Arte-miy333 [17]

Answer:

-16/65

Step-by-step explanation:

Given sinα = 3/5 in quadrant 1;

Since  sinα = opp/hyp

opp = 3

hyp = 5

adj^2 = hyp^2 - opp^2

adj^2 = 5^2 = 3^2

adj^2 = 25-9

adj^2 = 16

adj = 4

Since all the trig identity are positive in Quadrant 1, hence;

cosα = adj/hyp = 4/5

Similarly, if tanβ = 5/12 in Quadrant III,

According to trig identity

tan theta = opp/adj

opp = 5

adj = 12

hyp^2 = opp^2+adj^2

hyp^2 = 5^2+12^2

hyp^2 = 25+144

hyp^2 = 169

hyp = 13

Since only tan is positive in Quadrant III, then;

sinβ = -5/13

cosβ = -12/13

Get the required expression;

sin(α - β) = sinαcosβ - cosαsinβ

Substitute the given values

sin(α - β) = 3/5(-12/13) - 4/5(-5/13)

sin(α - β)= -36/65 + 20/65

sin(α - β) = -16/65

Hence the value of sin(α - β) is -16/65

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2 years ago
Vertical angles are congruent. Two nonadjacent angles formed by two intersecting lines are vertical angles.
Gnesinka [82]

Answer:

A

Step-by-step explanation:

If two nonadjacent angles formed by two intersecting lines = Vertical angles= congruent

Then

Two non adjacent angles formed by two intersecting lines are congruent

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Answer:

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Step-by-step explanation:

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List of 412 multiples of seven
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Let's make the most liked question in the whole website
natali 33 [55]

Answer:

the answer is 21

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