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zlopas [31]
3 years ago
9

Please help!!

Mathematics
1 answer:
Valentin [98]3 years ago
8 0
There was 645 womens at first
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Jasmine is traveling at 45 miles per hour. At that same rate, how long will it take her to travel 135 miles?
mina [271]
45\ miles\ per\ 1\ hour\\
135\ miles\ per\ x\ hours\\\\
making\ proportion:\\
45-1\\
135-x\\\\
cross\ multiplication\\\\
45x=135\ \ \ | divide\ by\ 45\\\\
x=3\\\\
It\ will\ take\ 3\ hours.
7 0
3 years ago
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Which answer describes the type of sequence?
Stels [109]

Answer:

Neither arithmetic nor geometric.

Step-by-step explanation:

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3 years ago
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A bag contains 7 red marbles, 3 blue marbles and 5 green marbles. If three marbles
worty [1.4K]

Answer:

3.7%

Step-by-step explanation:

We know that from this situation, the probability of drawing a single green marble is 1/3. However, to find the probability of drawing 3 green marbles, we will need to do:

P= \frac{1}{3}* \frac{1}{3}*\frac{1}{3}

We get a probability of:

P= \frac{1}{27}

This converts to a percentage of:

\frac{1}{27}= 0.037 \\ 0.037*100= 3.7%

We get a percentage of 3.7%

8 0
3 years ago
tank a has 100 gallons of water and is being filled at a rate of 2 gallons per hour. tank b has 140 gallons and is being drained
Artist 52 [7]

Answer:

5 hours must pass

Step-by-step explanation:

Graph the equations y = 2x + 100 and y = -6x + 140

Then find the x intercept of their intersection, in this case, that is 5

5 0
2 years ago
The shoe store's clerks are paid on commission. If the clerk receives a 12% commission on total purchase amounts before tax is a
aev [14]

Answer:

a) 37 + 42 =79

=7/100 x 79

=553/100

=5.53

Isaac's total bill = 79 + 5.53 = $84.53

b) 25/100 x 79

= 19.75

= 79 - 19.75

= $59.25 (before tax)

7/100 x 59.25

= 414.75/100

= 4.15

= 59.25 + 4.15

= $63.4 (after adding tax)

First we have to take out the percentage of discount and minus it from the total cost . To find the discounted price with tax, we have to take out the percentage of the tax from the discounted amount and add it to the discounted amount to get the total cost.

3 0
3 years ago
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