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3 years ago

How many hours is it from 12:00 to 8:30 minus 40 min lunch

Mathematics

2 answers:

Anon25 [30]3 years ago

5 0

Answer:

Difference 20 hours 42 minutes (20:42 or 20.70h)

Difference in minutes 1,242

Full hours in between 20

Step-by-step explanation:

Difference 20 hours 42 minutes (20:42 or 20.70h)

Difference in minutes 1,242

Full hours in between 20

So 15 min and 7 hours is the answer up is the steps how to get it

Hope this helps

Ivanshal [37]3 years ago

4 0

Answer:

It is 7 hours and 50 minutes

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lina2011 [118]

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3 years ago

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hello again I need to find an equation to find the long side of the triangle. but this time only the hypotenuse is given. brainl

Hunter-Best [27]

Answer:

The answer to your question is Long = 10.39

Step-by-step explanation:

Data

hypotenuse = 12

long = ?

Process

1.- To find Long, we must use the trigonometric functions sine or cosine.

If we use sine, we use the 60° angle

If we use cosine, we use the 30° angle

a) sin 60 = long / hypotenuse

Long = hypotenuse x sin 60

Long = 12 x sin 60

Long = 10.39

b) cos 30 = Long / hypotenuse

Long = hypotenuse x cos 30

Long = 12 x cos 30

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4 years ago

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Justify which of the following equations is a quadratic equation. If the equation is quadratic what is the value of a, b & c

White raven [17]

Answer:

x=5

Step-by-step explanation:

18x-11x-35=0

7x-35=0

7x=35

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8 0

3 years ago

Given: ∠AOB is a central angle and ∠ACB is a circumscribed angle.

Novosadov [1.4K]

Answer:

We are given that angle AOB is a central angle of circle O and that angle ACB is a circumscribed angle of circle O. We see that AO ≅ BO because

✔ all radii of the same circle are congruent.

We also know that AC ≅ BC since

✔ tangents to a circle that intersect are congruent.

Using the reflexive property, we see that

✔ side CO is congruent to side CO.

Therefore, we conclude that △ACO is congruent to △BCO by the

✔ SSS congruence theorem.

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3 years ago

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Point c is the center of dilation. line segment b a is dilated to create line segment b prime a prime. the length of c a is 4. t

pychu [463]

The scale factor of the dilation of line segment ba for which the center of dilation is C, is 5.

<h3>What is the dilation of the figure?</h3>

Dilation of a figure, means the transformation of the figure. The factor by which the given figure dilated, called the scale factor of dilation.

Point c is the center of dilation. Line segment BA is dilated to create line segment b prime, a prime. The image of the given problem is attached below. The length of CA is 4.

$CA=4$

The length of a prime is 16.

$AA'=16$

The new dimension will be,

$CA'=CA+AA'\\CA'=4+16\\CA'=20$

Now, the scale factor is the ratio of the new dimension to the original dimension. Thus, the scale factor of the dilation is,

$r=\dfrac{20}{4}\\r=5$

This will be the same for the line segment BA. Thus, the scale factor of the dilation of line segment ba for which the center of dilation is C, is 5.

Learn more about the dilation of the figure here;

brainly.com/question/3457976

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