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julsineya [31]
3 years ago
9

In school ,there are 3 girls for every 2 boys . There are 650 students in total . How many students are girls

Mathematics
1 answer:
EastWind [94]3 years ago
6 0

Answer:

390 girls.

Step-by-step explanation:

\frac{3}{5} of 650 is 390.

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Jackson rode his bike 2.5 miles from his house to school; how many yards did he ride
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Answer:

4400 yards

Step-by-step explanation:

Convert miles into yards.

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3 years ago
You draw two cards from a standard deck of 52 cards. What is the probability of drawing a queen and then a king consecutively fr
Gelneren [198K]

Answer:

4/663

Step-by-step explanation:

There are 4 queens and 4 kings in a deck. Drawing a queen would be 4/52. Drawing a king afterwards with replacing the queen would be 4/51 because you took a queen but didn't replace that one queen card so the deck has only 51 cards left after you drew the queen. Drawing a queen would not affect your chance of drawing a king card, it will only affect the total number of cards left because you didn't replace the card afterwards. 4*4=16;52*51=2652. 16/2652 can be simplified to 4/663 by dividing 4 to both numbers. 16/4=4 and 2652/4=663. The probability of drawing a queen then a king without replacement would be 4/663.

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3 years ago
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I need help with this please
Kazeer [188]

Answer:

score = 63

Step-by-step explanation:

1.  To write the proportion take the score of the test over the number of points and set it equal to the percent over 100

score         90

----------- = -----------

70               100

Using cross products

100 * score = 90*70

100 score = 6300

Divide by 100

100/100 * score = 6300/100

score = 63

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3 years ago
Express the following in the usual form<br>(a) 6.25×10-⁵
andrew-mc [135]

Answer:

0.0000625

Step-by-step explanation:

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6 0
3 years ago
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No.d
37,619

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