2 years ago

DECODE A MESSAGE!

Mathematics

2 answers:

ser-zykov [4K]2 years ago

6 0

Answer: WHAT?!?! what does that mean >3

natima [27]2 years ago

4 0

Answer:

You're so pointless

Step-by-step explanation:

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For a certain model of car the distance d required to stop the vehicle if it is traveling at v mi/h is given by the formula d =

enyata [817]

Given that <span>For a certain model of car the distance $d$ required to stop the vehicle if it is traveling at $v$ mi/h is given by the formula $d=v+\frac{v^2}{20}, where [tex]d$ is measured in feet.

If Kerry wants her stopping distance not to exceed 75 ft, then the range of speeds (in mi/h) can she travel is obtained as follows:

$v+ \frac{v^2}{20} \leq75 \\ \\ 20v+v^2\leq1,500 \\ \\ v^2+20v+100\leq1,500+100 \\ \\ (v+10)^2\leq1,600 \\ \\ |v+10|\leq\sqrt{1,600} \\ \\ -40\leq v+10\leq40 \\ \\ -40-10\leqv\leq v\leq40-10 \\ \\ -50\leq v\leq30$

Therefore, the range of speed she can travel is $v\leq30\ mi/hr$
</span>

8 0

3 years ago

Write an inequality to represent the possible<br> combinations of x cupcakes and y cakes sold.

kolezko [41]

Answer:

The inequality for this would be n ≥ 20.

We know this because it must be larger than 40. We also know it can possibly be equal because the statement says "at least".

Step-by-step explanation:

6 0

2 years ago

Can someone please help me with this question thank you

netineya [11]

Answer:

The answers are C,F

Step-by-step explanation:

Those are the coordinates where the lines intercept the x-axis.

3 0

3 years ago

A brand of popcorn instructs users to microwave for 90–120 seconds on high. A student wonders what the ideal microwave time for

san4es73 [151]

Answer:

A.) the levels

Step-by-step explanation:

edge 2020

6 0

3 years ago

Read 2 more answers

How do you factor n^2-4n=0

Sveta_85 [38]

   n² - 4n = 0
n(n) - n(4) = 0
    n(n - 4) = 0
n = 0 or n - 4 = 0
   + 4 + 4
      n = 4

Solution Set: {0, 4}

3 0

3 years ago