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coldgirl [10]
3 years ago
11

how long will it take a bird traveling at an average speed of 12 miles per hour to travel 202 miles while flying south for the w

inter
Mathematics
1 answer:
torisob [31]3 years ago
6 0

Answer:

at 12 miles per hour, the bird would travel 202 miles in 16 hours and 50 minutes.

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If 14 g of a radioactive substance are present initially and 3 yr later only 7 g​ remain, how much of the substance will be pres
marishachu [46]
It would be 48 bc if you add it all up and subtract it and add again and multiply and divide and multiply within a and the substance of present after 6 yr you will see that i have wasted your time and that is not the answer
5 0
3 years ago
A rectangular poster is 3 times as long as it is wide. A rectangular banner is 5 times a long as it is wide. Both the banner and
deff fn [24]

Answer:

The answer to your question is

a) Poster             width = 3 in

                            lenght = 9 in

b) banner

                           width = 2 in

                           lenght = 10 in

Step-by-step explanation:

a) For the poster

   width = x

   lenght = 3x

Perimeter of a rectangle = 2base + 2 height

                                         = 2(x) + 2(3x) = 24

                                         2x + 6x = 24

                                         8x = 24

                                           x = 24/8

                                           x = 3

    width = 3 in

     lenght = 3(3) = 9 in

b) For the banner

    width = y

    lenght = 5y

Perimeter of a banner = 2 base + 2 height

                                        2 (y) + 2(5y) = 24

                                        2y + 10y = 24

                                        12y = 24

                                           y = 24/12

                                           y = 2

     width = 2 in

     lenght = 5(2) = 10 in

7 0
3 years ago
Factor completely.
nexus9112 [7]
5x^2+10x-40=5(x^2+2x-8)=5(x^2+4x-2x-8)=5[x(x+4)-2(x+4)]=5(x-2)(x+4)

The Answer: B

:)
8 0
3 years ago
Read 2 more answers
What number should be added to 77 to make the sum 0? 77 –77 0 –76?
elixir [45]
 the answer is -77 YW
8 0
3 years ago
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From a point on a straight​ road, Marco and Celeste ride bicycles in the same direction. Marco rides at 14 mph and Celeste rides
Ksju [112]

their relative speed is 4 mph. so we put

4 mph = (25 mi)/x => x=25/4.

7 0
3 years ago
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