3 years ago

2^3a^7 times 2a^3 NEEE HELP

Mathematics

1 answer:

hichkok12 [17]3 years ago

6 0

Step-by-step explanation:

explain step by step on photo, double check just in case

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meteroloogist track severe stoms using Doppler radar. A polar grid is used to measure distances as the storms progress. If the c

FinnZ [79.3K]

Answer:

$(x-h)^2+(y-k)^2= (r+ 40 )^2$

Step-by-step explanation:

It is given that a meteorologist is using a Doppler radar to find out the distance of the storm as it passes using a polar grid.

The origin of the radar screen is its center.

And the distance between each ring is 10 miles from the center.

So let :

r = radius

h and k = be the coordinates of the center.

So the equation of a circle is :

$(x-h)^2+(y-k)^2= r^2$

Now the equation of the fourth circle when the radius changes by 10 miles is :

$(x-h)^2+(y-k)^2= (r+ 40 )^2$

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3 years ago

There are 25 towns in a certain country, and every pair of them is connected by a train route. How many train routes are there?

7nadin3 [17]

Answer:

Step-by-step explanation:

a pair=2

so 25/each pair of towns

25/2=12+1=13

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3 years ago

0.336 divided by 0.2

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1.68 I hope it helps!

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3 years ago

In order to have 1 million dollars in 40 years with an annual interest rate of 11.6%, I will have to invest $_ (round to the nea

tino4ka555 [31]

To solve the problem we use the compound formula given by:
A=p(1+r/100)^n
where:
A=future amount:
p=principle
r=rate
A=1000000, r=11.6%, n=40
plugging the value in the formula we get:
1000000=p(1+11.6/100)^40
solving for p we get:
1000000=80.6432p
p=12400.300
rounding to the nearest 1000 we get
p=$12000
Answer:
<span>A.) 12,000</span>

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3 years ago

2^3a^7 times 2a^3 NEEE HELP​

2^3a^7 times 2a^3 NEEE HELP