3 years ago

2+2+2+2+2÷2×2-2-2-2-2

Mathematics

2 answers:

tresset_1 [31]3 years ago

4 0

Step-by-step explanation:

2+2+2+2+2÷2×2-2-2-2-2=2

Lena [83]3 years ago

3 0

Answer:

the answer is 2 easy question

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the answer would be -b

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A person is standing 50 ft from a statue. The person looks up at an angle of elevation of 8 degrees when staring at the top of t

borishaifa [10]

The height of the statue is 19.5 feet.

Why?

We can solve the problem using trigonometric formulas. In this case, we are going to use the trigonometric formula of the tangent.

We know that the person is standing 50ft from the statue, so, it will be the base of the two triangles formed by both angles (elevation and depression)

Using the trignometric formula, we have:

First triangle:

$tg(\alpha )=\frac{h_{1}}{base} \\\\tg(8\°)=\frac{h_{1}}{50ft}\\\\0.14*50ft=h_1\\\\h_1=7ft$

Second triangle:

$tg(\alpha )=\frac{h_{2}}{base} \\\\tg(14\°)=\frac{h_{1}}{50ft}\\\\0.25*50ft=h_1\\\\h_1=12.5ft$

Now, the total height of the statue will be:

$TotalHeight=h_1+h_2=7ft+12.5ft\\\\TotalHeight=19.5ft$

Have a nice day!

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3 years ago

2) two florist purchased flower bouquets and vases at the same store. The first florist bought 2 flower bouquets and two vases f

Feliz [49]

Let
b---------> <span>the cost of one flower bouquet
</span>v--------> <span>the cost of one vase.

we know that
2b+2v=12.50-----> </span>Multiplied by -1------------->-2b-2v=-12.50
8b+2v=29---------------------------------------------> 8b+2v=29
I add the two equations ------------------------
6b=16.50
b=2.75
2*2.75+2*v=12.50---------------> v=(12.50-5.5)/2---------> v=3.5

the answer is
the cost of one flower bouquet is $2.75
the cost of one vase is $3.5

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3 years ago

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3 years ago

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Use the diagram below to solve for x and y. Please help! Fast if possible.

Mila [183]

Answer:

x = 27

y = 29

Step-by-step explanation:

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3 years ago

2+2+2+2+2÷2×2-2-2-2-2​

2+2+2+2+2÷2×2-2-2-2-2