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3 years ago

Melissa is planning a rectangular vegetable garden with a square patch for tomatoes. She wants the length of the garden to

Mathematics

1 answer:

Lana71 [14]3 years ago

5 0

Answer:

I hope this helps

Step-by-step explanation:

That is it. thanks

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Parallel lines are preserved in which of the following types of transformations?

dedylja [7]

Answer:

The answer should D) I, II, and III

5 0

3 years ago

Simplify (4x-6)-(3x+6)

DaniilM [7]

Answer:

$x-12$

Step-by-step explanation:

First open the brackets

$=(4x-6)-(3x+6)\\\\\\=4x-6-3x-6$

Then collect the like terms

$4x-3x-6-6$

Solve the like terms

$4x-3x=x\\\\\\-6-6=-12\\\\\\=x-12$

The simplified form is

$x-12$

3 0

3 years ago

What do I need to do

Xelga [282]

Step-by-step explanation:

.....

4 0

3 years ago

Read 2 more answers

Use a half-angle identity to find the exact value of tan 22.5°.

dusya [7]

Answer:

$\sqrt{2} -1$

Step-by-step explanation:

22.5 degrees is half of 45 degrees (special angle for which we know exactly the value of all three basic trigonometric functions (sine, cosine, and tangent).

So we start recalling the formula for tangent of a half angle: $tan(\frac{\alpha }{2} )= \frac{1-cos(\alpha) }{sin(\alpha) }$

We need just the values of:

$sin(\alpha )=sin(45^o)=\frac{\sqrt{2} }{2}$

and of

$cos(\alpha )=cos(45^o)=\frac{\sqrt{2} }{2}$

to answer the question. Then, we use those values in the original formula for tangent of a half angle:

$tan(\frac{\alpha }{2} )= \frac{1-cos(\alpha) }{sin(\alpha) }\\tan(22.5^o)=\frac{1-\frac{\sqrt{2} }{2} }{\frac{\sqrt{2} }{2}} =\frac{2-\sqrt{2} }{\sqrt{2} } =\frac{2\sqrt{2}-2 }{2} =\sqrt{2} -1$

3 0

4 years ago

Read 2 more answers

Here are the first five terms of a number sequence

fenix001 [56]

1st is 19
2nd is 23
3rd is 27
4th is 31
5th is 35
6th is 39
7th is 43
8th is 47
9th is 51
10th is 55
This is because you are adding 4 each time, the rule of the sequence is 4n+15

7 0

3 years ago