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SSSSS [86.1K]
3 years ago
11

Please help me with this

Mathematics
2 answers:
kherson [118]3 years ago
7 0

Answer:

0.28÷7

Step-by-step explanation:

because in total they are equal to 0.28 and there are 4 colors of 7 boxes each

dexar [7]3 years ago
5 0

Answer:0.28divide by7

Step-by-step explanation:

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blondinia [14]

Answer:

B

Step-by-step explanation:

If Maya eats 1/5 cups of melon twice a day: once in the morn n once in the afternoon, she eats 2/5 cups of melon a day.

8=2/5*d

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8*5=2d

40/2=d

d=20

∴ Therefore it will take 20 days for Maya to eat 8 cups of melon.

4 0
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A Park ranger tags 100 animals. Use a proportion to estimate the total population for each sample.
7nadin3 [17]

Answer:

It is given that A Park ranger tags 100 animals.

This means the proportion of animals tagged= \dfrac{100}{x}

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1)

23 out of 100 animals are tagged.

That means the proportion of animals tagged= \dfrac{23}{100}

Now we know that the proportion must be equal.

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⇒ x=\dfrac{100\times 100}{23}=434.783

which is approximately equal to 435.

Hence, the total population =435.

3)

8 out of 116 animals are tagged

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Now we know that the proportion must be equal.

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x=\dfrac{100\times 116}{8}\\\\x=\dfrac{11600}{8}=1450

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Hence, the total population =1450.

4)

5 out of 63 animals are tagged

That means the proportion of animals tagged= \dfrac{5}{63}

Now we know that the proportion must be equal.

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x=1260

Hence, the total population =1260.

5)

4 out of 83 animals are tagged

That means the proportion of animals tagged= \dfrac{4}{83}

Now we know that the proportion must be equal.

 \dfrac{4}{83}=\dfrac{100}{x}

x=\dfrac{100\times 83}{4}\\\\x=2075

Hence, the total population =2075.

6)

3 out 121 animals are tagged

That means the proportion of animals tagged= \dfrac{3}{121}

Now we know that the proportion must be equal.

 \dfrac{3}{121}=\dfrac{100}{x}

x=\dfrac{100\times 121}{3}\\\\x=4033.33

Hence, the total population =4033.

7)

83 out of 125 animals are tagged

That means the proportion of animals tagged= \dfrac{83}{125}

Now we know that the proportion must be equal.

 \dfrac{83}{125}=\dfrac{100}{x}

x=\dfrac{100\times 125}{83}\\\\x=150.6024

Hence, the total population =151.

8)

7 out 165 animals are tagged

That means the proportion of animals tagged= \dfrac{7}{165}

Now we know that the proportion must be equal.

 \dfrac{7}{165}=\dfrac{100}{x}

x=\dfrac{100\times 165}{7}\\\\x=2357.143

Hence, the total population =2357.

7 0
3 years ago
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MA_775_DIABLO [31]

Pythagoras was the Greek Scholar that caused Mathematics

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A.3.5 <br><br> B.-2.5<br><br> C.-5.5<br><br> D.2.5
mart [117]
The answer is 2.5 because the point is on -1.5, so -1.5+4=2.5
7 0
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