Hiii please help if you give a correct answer i’ll give brainliest thanks!

Mathematics

1 answer:

vovangra [49]3 years ago

5 0

Answer: B and D

Explanation:

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Answer this! <br><br> 18 divides x

Darya [45]

this makes no sense so maybe try something better

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2 years ago

A toy rocket is shot vertically into the air from a launching pad 5 feel above the ground with an initial velocity of 80 feet pe

yawa3891 [41]

$h(t)=-16t^2+80t+5\\\\t_{max}-time\ for\ a\ maximum\ height\\\\t_{max}=- \frac{80}{2\cdot(-16)} = \frac{80}{32} =2.5\ [s]\\\\h_{max}-the\ maximum\ height\ above\ the\ ground\\\\h_{max}=h(2.5)=-16\cdot2.5^2+80\cdot2.5+5=-16\cdot6.25+200+5=\\.\ \ \ \ \ \ =-100+205=105\\\\h_{max\ rocket}-the\ maximum\ height\ of\ a\ toy\ rocket\\\\h_{max\ rocket}=105-5=100\ [ft]\\\\Ans.\ t_{max}=2.5\ second,\ \ h_{max\ rocket}=100\ feet.$

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3 years ago

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Step-by-step explanation:

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3 years ago

To mix plaster for a dental model, 35 mL of water is used for 100g of plaster. How many mL of water should be used for 250g of p

laila [671]

Okay, here we have this:

Considering the provided information, we are going to calculate the requested value, so we obtain the following rule of three:

$\begin{gathered} \frac{x}{35mL\text{ of water}}=\frac{250g\text{ of plaster}}{100g\text{ of plaster}} \\ x=\frac{250g\text{ of plaster}}{100g\text{ of plaster}}\cdot35mL\text{ of water} \end{gathered}$

Solving for x:

$\begin{gathered} x=2.5\cdot35mL\text{ of water} \\ x=87.5mL\text{ of water} \end{gathered}$

Finally we obtain that 87.5mL of water should be used for 250g of plaster.

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1 year ago

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tiny-mole [99]

FIRST PAGE: 20, 40, 20

SECOND PAGE: 15, 3, 6, 2 x 2 x 2 x 11

THIRD PAGE: 2 x 5 x 11

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3 years ago

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