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malfutka [58]
3 years ago
14

Solve for x. X = ____?

Mathematics
1 answer:
I am Lyosha [343]3 years ago
8 0
Set up a proportion
EA / EB = ED/ EC
16 / (5x + 2 + 16) = 12 / (12 + 24)
16/(5x + 18) = 12 / 36 Cross multiply
16 * 36 = (4x + 18)*12 Remove the brackets
576 = 48x + 216 Subtract 216 from both sides.
360 = 48x Divide by 48
360/48 = x
7.5 = x

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Please help need help on this
UkoKoshka [18]
Looking at the data it looks like a line. So the answer will be in y+mx+b format.

Knowing it is a line eliminates answers b and c.
looking at options a is says it starts at about .1 when x is zero. We can see this looks pretty close as the left-most dot is below 1 already.

The slope on a is 1/2--> increasing 1 vertically for every 2 horizontally. The pattern mostly follows that rule.

Therefore a (y=1/2x+.1) would be the correct answer
7 0
3 years ago
A scientist estimated that a mixture would need 6 milliliters of a chemical to balance. The actual amount needed was 7 millilite
Mashcka [7]
Percent relative error is calculated by the formula: (experimental value - literature value/ experimental value) x 100%

Therefore, (6-7/7) x 100% = 14.3%
Your answer is in absolute value :)
6 0
4 years ago
Factor the expression below.
Lemur [1.5K]
The answer is C
...
...
....
......
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3 0
3 years ago
8. An intrusion prevention system can either wait until it has all the information it needs or can allow packets through based o
MrRa [10]

<u>Explanation:</u>

<em>Remember, </em>any network security system that constantly monitors a network infrastructure in other to detect and prevent threats to the network is called an intrusion prevention system (IPS.

Many experts agree that a major advantage of waiting until the intrusion system <em>has all the information</em> it needs is that it would allow for easy sensing of a packet drop that can stop the trigger packet.

4 0
3 years ago
An employee at a department store is stocking cell phone cases. He has a box of 80 cases. Among the 80 cases, 40 are black, 10 a
Salsk061 [2.6K]

Answer:

\sf \dfrac{203}{4108}

As a decimal = 0.05 (nearest hundredth)

Step-by-step explanation:

\sf Probability \ of \ an \ event \ occurring = \dfrac{Number \ of \ ways \ it \ can \ occur}{Total \ number \ of \ possible \ outcomes}

First pick:

\sf \implies P(pink)=\dfrac{30}{80}

As the case is NOT replaced, second pick:

\sf \implies P(pink)=\dfrac{30-1}{80-1}=\dfrac{29}{79}

As the case is NOT replaced, third pick:

\sf \implies P(pink)=\dfrac{29-1}{79-1}=\dfrac{28}{78}

Therefore,

\sf \implies P(pink \ and \ pink \ and \ pink)=\dfrac{30}{80} \times \dfrac{29}{79} \times \dfrac{28}{78}=\dfrac{203}{4108}

Answer as a decimal = 0.05 (nearest hundredth)

6 0
3 years ago
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