PLEASE HELP IM TIMED!! WILL GIVE BRAINLEST!!
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<span> For this case we can make the following rule of three:
2.99 ----------> 100%
x --------------> 7%
From here, we clear the value of x.
We have then:
</span>
<span> Rewriting the expression we have:
</span>
<span>
Answer:
The sales taxes are:
x = 0.2093 $</span>
2.99 ----------> 100%
x --------------> 7%
From here, we clear the value of x.
We have then:
</span>
<span> Rewriting the expression we have:
</span>
Answer:
The sales taxes are:
x = 0.2093 $</span>
decrease in temperature if you hike up the mountain 3000 meters is ° .
<u>Step-by-step explanation:</u>
Here we have , Hiking up a mountain, you notice that the air temperature drops 10 degrees every 1000 meters increase in elevation . We need to find Write a multiplication expression to represent the decrease in temperature if you hike up the mountain 3000 meters. Let's find out:
For every 1000 meters rise in elevation , there is decrease in 10° of temperature . So , For rise in n meters in elevation , there is decrease in n×10° of temperature i.e
Decrease in temperature = (n/1000)×(-10) i.e.
⇒ (n/1000)×(-10)
⇒
At n = 3000 meters:
⇒
⇒
⇒ °
Therefore , decrease in temperature if you hike up the mountain 3000 meters is ° .