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Elis [28]
3 years ago
15

Help what’s the perimeter?

Mathematics
1 answer:
KonstantinChe [14]3 years ago
7 0

Answer:

2.8

Step-by-step explanation:

From the similarity ratio we can calculate the missing side length for the smaller rectangle

and when we add all side lengths the answer is 2.8

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A bluebird is sitting in her nest 10 feet up in a tree when she looks down and sees a cat and a worm. she decides to use math to
GarryVolchara [31]

Answer:

12.2 feet

Step-by-step explanation:

The key to this problem is trigonometry.

Imagine a right triangle. With a height, 10 ft (representing the tree's height), and a base of 7 ft (representing the horizontal distance to the worm).

Now the hypoteneuse length, or otherwise the distance from the worm is unknown.

So this is where we can use the pythagorean theorem.

a^2 + b^2 = c^2

c here is the hypoteneuse length, and a and b are the other lengths of the triangle.

Since we know a and b we can solve for c.

But first we will square root both sides of the equation to get c and not  c^2.

\sqrt{a^2 + b^2} = c

Now just plug in our values for a and b respectively. (It doesn't matter what number replaces a or b, just make sure you are replacing a and b with the 2 known values) Calculate.

\sqrt{10^2 + 7^2} = \sqrt{100 + 49} = \sqrt{149} = 12.206....

Round to the nearest tenth.

12.2 feet

7 0
3 years ago
Graph x-y=-3 It's really hard I dont understand how to graph it and I have to know how to check by plugging in!
zlopas [31]
X - y = -3
x - x - y = -3 - x
-y = 3 - x
y = -3 - x
4 0
3 years ago
What is 32.043 in expanded form
natima [27]
<span>30 + 2 + 0.04 + 0.003</span>
7 0
3 years ago
Read 2 more answers
LaTricia wrote a sentence as an equation.
Serhud [2]

Twelve is the product of three and a number.

Product: an answer given due to multiplication.

Since Twelve is described as the product of three and a number, it is our answer.

?? = 12

Twelve is the product of three and a number. since it is a product, that means their was multiplication involved. using the clues "Three and a number", we can deduce that these are multiplied to get our product, which is twelve.

if it says number, then that represents the unknown variable of the equation. this is usually defined as X or any other letter(s) if their is more than one variable or if it is specified.

3X = 12

6 0
4 years ago
Read 2 more answers
HELP! I asked this question this morning,but no answer....
Ierofanga [76]

1/7-9/7n+6/7

1-9/7n

That is the extended form and is simplified

Hope it helps! :)

6 0
3 years ago
Read 2 more answers
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