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SCORPION-xisa [38]
2 years ago
14

Dale says the ratios 3:5 and 2:10 are equivalent. Is He correct? Explain

Mathematics
1 answer:
Mnenie [13.5K]2 years ago
3 0

Answer:

No, Dale Isn't correct because 3:5 is greater than 2:10

Step-by-step explanation:

3:5 and 2:10 is the same as in \frac{3}{5}  and \frac{2}{10}

First Find the least common denominator or LCM of the two denominators:

LCM of 5 and 10 is 10

Next, find the equivalent fraction of both fractional numbers with denominator 10

For the 1st fraction, since 5 × 2 = 10,

\frac{3}{5} =\frac{3*2}{5*2} =\frac{6}{10}

Likewise, for the 2nd fraction, since 10 × 1 = 10,

\frac{2}{10} =\frac{2*1}{10*1} =\frac{2}{10}

Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction

\frac{6}{10} >\frac{2}{10} Or\frac{3}{5} >\frac{2}{10}

Hence, \frac{3}{5} is <u>Greater than </u>\frac{2}{10}

Hence, 3:5 is <u>Greater than </u>2:10

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5. For each quantity, decide whether circumference or area would be needed to calculate it. Explain or show your reasoning.
kolbaska11 [484]

Answer:

a. The distance around a circular track.  CIRCUMFERENCE

b. The total number of equally-sized tiles on a circular floor. AREA

c. The amount of oil it takes to cover the bottom of a frying pan.  AREA

d. The distance your car will go with one turn of the wheels. CIRCUMFERENCE

Step-by-step explanation:

CIRCUMFERENCE : The circumference of a circle is the total length of its boundary.

AREA : Area of a circle is the total region covered buy that circle.

a. The distance around a circular track.

Here, we are covering the distance ONLY around the track and NOT inside it,

Hence, The CIRCUMFERENCE is calculated.

b. The total number of equally-sized tiles on a circular floor.

Here, we are covering the region or the total space occupied by all the tiles on the floor.

Hence, The AREA is calculated.

c. The amount of oil it takes to cover the bottom of a frying pan.

Here, we are covering the region or the total space occupied by all the oil on the bottom of the frying pan.

Hence, The AREA is calculated.

d. The distance your car will go with one turn of the wheels.

Here,  the distance covered by wheel in 1 round  

= Total length of the boundary of wheel

= The circumference of the wheel

Hence, The CIRCUMFERENCE is calculated.

8 0
3 years ago
Which of the following is the correct value for x?
dusya [7]

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Step-by-step explanation:

8 0
2 years ago
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DochEvi [55]

Answer: 2:16 - 3:24 - 4:32 - 5:40 - 6:48 - 7:56 - 8:64 // just keep adding each side to its own side

Step-by-step explanation:

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6 0
3 years ago
3.5,-2,0,-7/3,-6 in order from greatest to least
icang [17]

Answer:

in order from greatest to least:

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Step-by-step explanation:

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3 years ago
12 out of 15 students play in the school band. In a class of 45 students, how many do NOT play in the band? |​
jek_recluse [69]

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