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NemiM [27]
3 years ago
12

If a = -4 what is the value of 3a?

Mathematics
1 answer:
Nookie1986 [14]3 years ago
8 0

Answer:

3a = -12

hope it helps...

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Simora [160]
Let x be the money Antonio has. 
Let y be the money Dominic has. 

x-18=y (here, I just put in the equation) 

Since we are not given any information about the money that Dominic has or Antonio has, we would have to create an equation that would fit all the situations. 

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3 years ago
Consider the following expression. 5b+7a+26a Select all of the true statements below.
Ira Lisetskai [31]

Answer:

Second, third and last are correct

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4 years ago
An equilateral triangle is similar to a scalene triangle. True or False
san4es73 [151]

Answer:

False.

Step-by-step explanation:

All the sides of an equilateral triangle are equal.

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Therefore, an equilateral triangle is <u>not</u><u> </u>similar to a scalene triangle.

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3 years ago
The Bespan of a laptop battery is normally distributed. If the meanifespan of a batteryis 4 years with a standard deviation of 1
enyata [817]

Formula

\begin{gathered} Z=\text{ }\frac{x-\mu}{\sigma} \\ \text{Where} \\ Z=standardscore \\ x=observedvalue \\ \mu=meanofthesample \\ \sigma=standarddeviationofthesample \\ Z=\text{ }\frac{3.5-4}{1.6} \\ Z=-0.3125 \\  \\  \\ Z=\text{ }\frac{5.5-4}{1.6} \\ Z=0.9375 \end{gathered}

Z=standard score

x=observed value

u=mean of the sample

standard deviation of the sample

6 0
1 year ago
A coin is tossed $9$ times, and at least $7$ of the tosses were heads. How many different sequences of tosses could there have b
Dimas [21]
I don’t even kno buh I can guess
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3 years ago
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