2 years ago

2. Consider a function f(x) that takes on values | x +2| -5 for x greater than or

Mathematics

1 answer:

nexus9112 [7]2 years ago

4 0

Hello,

Please, see the attached files.

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The average grain of salt is 0.0003 meters wide. Rhinovirus, which causes the common cold, is 0.00000003 meters wide. How many t

algol [13]

Answer:

$1\times 10^4\ times$

Step-by-step explanation:

Given:

Width of average grain of salt is, $w=0.0003\ m$

Width of Rhinovirus is, $W=0.00000003\ m$

Now, expressing each width in scientific notation form, we get:

$w=0.0003\ m = 3\times 10^{-4}\ m\\\\W=0.00000003\ m = 3\times 10^{-8}\ m$

Now, in order to get how many times 'W' is wider than 'w', we divide the two widths. This gives,

$\frac{W}{w}=\frac{3\times 10^{-4}\ m}{3\times 10^{-8}\ m}\\\\\frac{W}{w}=1\times 10^{-4-(-8)}=1\times 10^{-4+8}=1\times 10^4\\\\\therefore W=1\times 10^4\times w$

Therefore, the grain of salt is $1\times 10^4\ times$ wider than Rhinovirus.

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2 years ago

How do you write 39/50 as a percentage?

Allushta [10]

We can convert the fraction to a denominator of 100, since percents are parts of 100.

39 * 2 = 78
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So we have 78/100 or 78%

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solong [7]

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Step-by-step explanation:

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2 years ago

The perimeter of a square is 120 inches what is its area

nata0808 [166]

Answer:

A = 900in²

Perimeter 120in

Using the formulas

A = a²

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Step-by-step explanation:

Solving for A:

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8 as that means what two of the same number makes up , in this case 64. 8x8=64

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