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Crazy boy [7]
4 years ago
6

Need help on nubmer 2 plz

Mathematics
1 answer:
4vir4ik [10]4 years ago
5 0

im sorry but I don't understand what its asking


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Can someone please answer this!!!!
alexandr402 [8]

Step-by-step explanation:

\frac{y}{20 \sqrt{3} }  =  \sin(30)

y = 20 \sqrt{3}  \times   \frac{1}{2}

y = 10 \sqrt{3}

\frac{x}{20 \sqrt{3} }  =  \cos(30)

x = 20 \sqrt{3}  \times  \frac{ \sqrt{3} }{2}

x = 30

option D, x=30 and y = 10√3

3 0
3 years ago
Solve x -9 = 8 HELP!!!!! I am dead over here help me!!!!
kumpel [21]

Answer:

x=17

Step-by-step explanation:

x-9=8

add nine on both sides

x-9+9=8+9

the nines on the side with the x cancel each other

x=17

3 0
3 years ago
1,500 grams to kilograms
kakasveta [241]
1,500 grams is equal to 1.5 kilograms
8 0
4 years ago
Read 2 more answers
If f(x) = 2 - x^1/2 and g(x) = x^2 – 9, what is the domain of g(x) divided f(x)?
Inessa [10]

~Shoto Todoroki here~

Let's consider what we are asked. The domain is defined as a set of points that satisfy the equation on the x-ordinate.

So, essentially, we need to find if and what the restriction on x is.

Let's now consider just f(x) because g(x) is completely irrelevant to the question.

f(x) = 2 - x^(1/2)

Since f(x) can never be 0 for a defined function, let's consider when f(x) = 0 to find a restriction on x.

2 - x^(1/2) = 0

2 = x^(1/2)

+-4 = x

But we can only take the positive 4 because inside a square root has to always be positive (unless you're dealing with complex numbers), so the only restriction is that x cannot be equal to 4.

<h2>Therefore, our domain is:<u><em> x >= 0; x =/= 4</em></u></h2>

hope this helps :D

8 0
2 years ago
AT a groyrey store salted peanuts in a shell cost 30 cents per ounce is 5$ enough money to buy 1 pound of peanuts if it is what
Ronch [10]
1 shell of slated peanuts = 30 cents of dollar/Ounce = $0.3/Ounce

Money available = $5
Required purchase = 1 pound of slated peanuts = 16 ounces of peanuts

Given the cost per ounce,

16 ounces pf peanuts = 0.3*16 = $4.8

Balance = $5-$4.8 = $0.2 = 20 cents

There, $5 can buy 1 pound of peanuts will a balance of 20 cents.
5 0
4 years ago
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