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2 years ago

Help please? requestig help to a smart person?

Mathematics

1 answer:

andrew-mc [135]2 years ago

8 0

<h3>Let's start by finding a ratio of Y to X</h3>

$\frac{150}{10} = \frac{300}{20} = \frac{450}{30} = \frac{600}{40} = 15$

$for \: x = 15y$

$50x = 50(15) = 750.00$

<h2>Option B :)</h2>

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how many bit strings of length 9 have exactly two 1'S or two 0'S( this is one question, so you should have one answer)

Crazy boy [7]

Answer:

72.

Step-by-step explanation:

Number of strings with exactly 2 1's

= 9C2

= 9*8/2*1

= 36.

Same for 2 0s

= 36.

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2 years ago

Plsssss help due today !!! ill give brainliest

Grace [21]

Answer:

1.5

Step-by-step explanation:

We can set up the equation 0.50X = 0.750

Divide by 0.5 and we get .75/.5=1.5

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3 years ago

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The expression x−y equals 0.7 if x and y have certain values. Evaluate the following expressions with the same values of x and y

lisov135 [29]

Answer:

-0.7

Step-by-step explanation:

$x-y=0.7$

You can choose any digits you wish for $x$ and $y$ but the difference must be 0.7. I chose 1.0 and 0.3.

$x=1\\y=0.3\\x-y=0.7\\\\y-x=\\0.3-1=\\-0.7$

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3 years ago

HELP PLS SHOW WORK ITS 2 PARTS

sdas [7]

Answer:

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Step-by-step explanation:

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2 years ago

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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>

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3 years ago