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erastovalidia [21]

3 years ago

14

What is the prime factorization of 99

1 answer:

Kay [80]3 years ago

3 0

Answer:

Prime factorization: 99 = 3 x 3 x 11 or 99 = 3² x 11.

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A plane traveled 240 miles. The trip was with the wind. It took 3 hours. The trip back was into the wind. The trip back took 6 h

sveta [45]

Answer:

Plane speed is 60 miles/hour

Wind speed is 20 miles/hour

Step-by-step explanation:

Lets suppose the speed of the plane in still air is s and speed of the wind is w and since speed in the formula below equals speed of the plane plus the wind's speed so speed=s+w for this journey with the wind

$Speed=\frac{Distance}{Time}$

$Distance=Speed*Time$

For the first journey the trip with the wind:

$Distance=Speed*Time\\240=(s+w)(3)\\240/3=s+w\\s+w=80$

Here we got our first equation for the second equation we use the information from the second trip which was into the wind. Which means the speed here would be speed=s-w

$Distance=Speed*Time\\240=(s-w)*6\\240/6=s-w\\s-w=40$

so now we got our two equations adding both equations would result into the following:

$s+w=80\\s-w=40\\2s=120\\s=60$

so speed of the plane is 60 miles/hour put the value of s in any our two equations to calculate the wind speed, lets take the first equation:

$s+w=80\\60+w=80\\w=80-60\\w=20$

so the wind speed is 20 miles/hour

8 0

3 years ago

Hi, can someone help me on these 2 as quick as possible please, ty!!

Advocard [28]

1. a) true

1. b) false

1. c) false

1. d) true

2. Sasha could have done a reflection where x = 1 to have done only one transformation.

8 0

4 years ago

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An 18 fluid ounce bottle of lotion costs $10.99, what is the price per fluid ounce?

irinina [24]

35

Step-by-step explanation:

7 0

3 years ago

In Jefferson Middle School, 5% of the sixth graders have red hair. If there are 100 sixth graders, how many have red hair?

k0ka [10]

Answer:

5

Step-by-step explanation:

Take the number of 6th graders and multiply by the percent that have red hair

100 * 5%

100 * .05

5

3 0

3 years ago

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At top cruising speed a mako shark can swim 4 km in 1/10 hour a blue whale can swim 5 km in 1/4 hour which animal swims faster a

oksian1 [2.3K]

Answer:

fortnite

Step-by-step explanation:

im different

6 0

3 years ago