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3 years ago

1. Explain how you could break apartan array to find 6 X 7. Draw an arrayto show your work.

Mathematics

1 answer:

matrenka [14]3 years ago

4 0

6x7=42 so divide 42 divided by 7 equals 6

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To solve y and x, I am adding a picture

Viktor [21]

Answer:

$x =\sqrt 5$

$y = \sqrt{5$

Step-by-step explanation:

Given

The attached triangle

Required

Solve for x

Considering angle 45 degrees, we have:

$\cos(45) = \frac{y}{\sqrt{10}}$ --- cosine formula i.e. adj/hyp

Solve for y

$y = \sqrt{10} * \cos(45)$

In radical form, we have:

$y = \sqrt{10} * \frac{1}{\sqrt 2}$

$y = \sqrt{10/2}$

$y = \sqrt{5$

To solve for x, we make use of Pythagoras theorem

$x^2 + y^2 = (\sqrt{10})^2$

$x^2 + y^2 =10$

Substitute for y

$x^2 + (\sqrt 5)^2 =10$

$x^2 + 5 =10$

Collect like terms

$x^2 =10-5$

$x^2= 5$

Solve for x

$x =\sqrt 5$

4 0

3 years ago

Find the constant of proportionality that creates a direct proportion between x and y,

Fofino [41]

Answer:

y=x

Step-by-step explanation:

Something that would create a direct proportionality is y=x because both of them are in an equation which means they are directly proportional

4 0

2 years ago

The regular price of a tablet case is $38.45. During a sale, the case was marked as 25% off. What was the approximate price of t

Pani-rosa [81]

C 28.84 just multiply 38.45 by .25 then you should get 9.6125 you subtract 38.45 by 9.6125 and get 28.84

6 0

3 years ago

Read 2 more answers

Graph the following piecewise function:

zhenek [66]

Check the picture below.

notice the solid circle at -4 and 3, since it includes those points.

also notice the dashed line, though the lines keeps on going those ways, is not included in the piece-wise, since it's not part fo the domain or constraints.

5 0

3 years ago

Helpppp please !!! i’ll give brainliest

Over [174]

Answer:

109.5

Step-by-step explanation:

4 sides equals 360 degrees. 360 minus 96 and 45 is 219. divide 219 by 2 and boom theres your answer.

4 0

3 years ago

1. Explain how you could break apartan array to find 6 X 7. Draw an arrayto show your work.​

1. Explain how you could break apartan array to find 6 X 7. Draw an arrayto show your work.