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Vilka [71]
3 years ago
15

Ill mark brainliest, question is attached

Mathematics
2 answers:
Allushta [10]3 years ago
8 0

Answer:

v = 7

Step-by-step explanation:

So, I used a go.ogle calculator for this, so I don't evidence, but here

hope this helps:)

Arte-miy333 [17]3 years ago
5 0

Answer:

v=7

Step-by-step explanation:

3(3v-4)=51\\9v-12=51\\9v=51+12\\9v=63\\v=\frac{63}{9}\\v=7

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If r=10 and s=31 find R. Round to the nearest tenth
Vsevolod [243]

Answer: option c.

Step-by-step explanation:

You need to remember the identity:

tan\alpha=\frac{opposite}{adjacent}

The inverse of the tangent function is arctangent. You need to use this to calculate the angle "R":

 \alpha =arctan(\frac{opposite}{adjacent})

You know that you need to find the measure of "R" and r=10 (which is the opposite side) and s=31 (which is the adjacent side), you can sustitute values into \alpha =arctan(\frac{opposite}{adjacent})

Then, you get:

R=arctan(\frac{10}{31})\\\\R=17.9\°

3 0
3 years ago
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Please help its 99 points! I just need to write as an equation to represent a function PLEASE!.
Yuki888 [10]

Answer:

Step-by-step explanation:

i think the last number 2.50 is wrong, maybe is 2.4

total cost= 0.30 x number of miles

for the first 0.30*2=0.60

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6 0
3 years ago
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PLS SOMEONE HELP ME
garik1379 [7]
Here are your answer's:

Number three would goes with "no relationship"...…
Number one would goes with "<span>causation</span>".....
Number two goes with "correlation"...…

<u>Correlation is the relationship between more than two things which is why it would go with number to because literacy rates go with the increase of doctors. Causation is like a cause and effect so in this case the cause would be a increase of the population and the effect would be more people who don't have jobs. No relationship would go with number three since how snowfall doesn't have anything to do with personal income. (which is how much a person makes) </u>

Hope this helps!
7 0
3 years ago
Someone please help me its urgent<br> What is the equation of the directrix
bija089 [108]

Answer:

Step-by-step explanation:

y=-1

6 0
2 years ago
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Free 1/10 K giveaway pls give my brainliest, add as a friend, say sth nice
malfutka [58]

Answer:

Huh?? I have no idea what you said.

Step-by-step explanation:

4 0
3 years ago
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