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Scorpion4ik [409]
3 years ago
8

Fun question for 35 points, 2/3 and 5/8, multiply and explain...

Mathematics
2 answers:
Rasek [7]3 years ago
6 0
2/3 * 5/8 = 0.416666667

when I was doing it I thought it was a repeating decimal
Arlecino [84]3 years ago
5 0
5/12 converted. decimal would be .416666667
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Х<br> у<br> 5<br> 3<br> 6<br> 4<br> . 7<br> 5<br> 8<br> 6
neonofarm [45]

Answer:

Is this a question or is this spamming numbers ?

4 0
3 years ago
Read 2 more answers
A rock weighs 80 g on a triple beam scale. The same rock is then gently placed inside a graduated cylinder containing 30 mL of w
Alexxandr [17]

Answer:

  • 1.78 g/cm³

Step-by-step explanation:

<u>80 g rock displaces water:</u>

  • 75 ml - 30 ml = 45 ml = 45 cm³

<u>Density = mass / volume:</u>

  • d = 80 g / 45 cm³
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3 0
2 years ago
Find the values of x and y
zhuklara [117]

You can use a tangent:

tangent=\dfrac{opposite}{adjacent}

We have opposite = 17 and adjacent = x.

\tan30^o=\dfrac{\sqrt3}{3}

substitute:

\dfrac{17}{x}=\dfrac{\sqrt3}{3}       cross multiply

x\sqrt3=(3)(17)     multiply both sides by √3

x(\sqrt3)(\sqrt3)=51\sqrt3

3x=51\sqrt3      divide both sides by 3

x=17\sqrt3

Use the Pythagorean theorem:

y^2=(17\sqrt3)^2+17^2\\\\y^2=289(\sqrt3)^2+289\\\\y^2=289\cdot3+289\\\\y^2=867+289\\\\y^2=1156\to y=\sqrt{1156}\\\\y=34

-------------------------------------------------------------------------------------------------

Other method.

30^o-60^o-90^o triangle.

The sides are in the ratio 1:2:\sqrt3\to17:y:x

Therefore

17:(2\cdot17):(17\sqrt3)\to17:34:17\sqrt3\to x=34,\ y=17\sqrt3

 


4 0
3 years ago
A group of volunteers has been collecting toys to deliver to a local charity. Over the last 5 days, the volunteers have collecte
sweet [91]

Answer:

  • Their rate was 85 toys per day.

Step-by-step explanation:

<u>Given equation:</u>

  • 425 ÷ 5

<u>Now, let's solve the equation:</u>

  • 425 ÷ 5
  • = 85

Their rate was 85 toys per day.

3 0
2 years ago
According to Greg, perfect cherry pies have a ratio of 240 cherries to 3 pies. How many cherries does Greg need to make 9 perfec
GREYUIT [131]
Greg needs 720 cherries.
3 0
3 years ago
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