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Svet_ta [14]
3 years ago
8

It takes 2.5 poster boards to display half of your project. How many poster boards will you need for your entire project?

Mathematics
1 answer:
Ludmilka [50]3 years ago
8 0
It has to be 5 because 2.5 is half so the other half 2.5 .so 2.5 +2.5 =5
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Please help me answer this.
inna [77]

Answer:

D. 4,-1

Step-by-step explanation:

The mathmatical way to solev it is to find the linear equation and plug in the points, but i just looked at the graph to see which point was in the shaded region.

5 0
2 years ago
What is the experamental probability that the coin lands on heads?
sammy [17]

Answer:

The experamental probability that the coin lands on head is 50 %

Step-by-step explanation:

Given:

Experiment:

A coin is Toss

Let the Sample Space be 'S' that is total number of outcomes for a coin has been tossed = { Head, Tail }

∴ n ( S ) =  2

Let A be the event of getting a Head on tossing a coin i.e  { Head }

∴ n( A ) = 1

Now,

\textrm{Probability} =\frac{\textrm{outcomes for the experiment}}{\textrm{total number of outcomes}}

Substituting the values we get

P(A) = \frac{n(A)}{n(S)} \\\\P(A) = \frac{1}{2} \\\\P(A) = 0.5\\\\P(A) = 50\%

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5 0
3 years ago
Explain why the function y=1-cosx is an even function
Oksanka [162]

A function is said to even if it returns the same output when given two opposite inputs:

f(x) = f(-x)

In your case, you have

f(x) = 1-\cos(x), \quad f(-x) = 1-\cos(-x)

And since \cos(x) = \cos(-x), the proof is concluded.

8 0
2 years ago
The product of 8/15, 6/5,1/3 is
Debora [2.8K]
Product is the result of multiplying the numbers, so the <span>product of 8/15, 6/5,1/3 means that we have to multiply the three numbers, like this:

\frac{8}{15} * \frac{6}{5} * \frac{1}{3}
let's make them into one fraction:
</span><span>
\frac{8*6*1}{15*5*3}


We can simplyfy:
</span>
<span>\frac{8*6}{15*5*3}

</span>
<span>\frac{8*2}{15*5}

and multiply:
</span>
<span>\frac{16}{75}

and this is the correct answer!</span>




3 0
3 years ago
If you have 1L of a 1:150 solution. How many grams do you have?
sattari [20]

Answer:

1 gram

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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