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scoundrel [369]
3 years ago
11

URGENT!!! PLEASE LOOK AT THE PICTURE!!! PLEASE HELP!!!!

Mathematics
1 answer:
Svetllana [295]3 years ago
7 0

Answer:

Step-by-step explanation:

this is a 45-45-90 triangle.  The angle opposite the 45° angle is also 45°.

HI = HJ because this is an isosceles triangle.

Use the cos function to find the length of HJ:

cos Ф = adj / hyp  or  adj = (hyp)(cos Ф).

                                                                                        1

Here we have  adj  = HI = HJ = 4√5 cos 45° = 4√5 · -----

                                                                                       √2, or 4√5 / √2

                                              4√10

This last result simplifies to ----------

                                                   2

or 2√10 (answer)

The length of side HJ and that of HI is 2/√10.

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Write the expression as a complex number in standard form.
ValentinkaMS [17]

Answer:

15+2i

Step-by-step explanation:

Hi there!

We are given the following expression:

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We can open up the parentheses on the expression

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3 years ago
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IgorC [24]

Answer:

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Step-by-step explanation:

7 0
3 years ago
I'm confused can someone please help me out?​
Anika [276]

Answer:

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The test score for a class pf 101 students are computed. What is the percentage of score equal to or grater than the third quart
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Answer:

Step-by-step explanation:

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