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Ann [662]
3 years ago
6

Need help with this ASAP!!

Mathematics
2 answers:
postnew [5]3 years ago
7 0

Answer:

64

Step-by-step explanation:

40x1.6

stiks02 [169]3 years ago
3 0

Answer:

64.37376

Step-by-step explanation:

40 miles = 64.37376

Hope this helps!

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A rabbit population doubles every 4 weeks.There are currently five rabbits in a restricted area. If t represents the time in wee
sertanlavr [38]
Doubling formula is this:

P(t)=P(2)^{\frac{t}{d}}
where P=initial number of rabbits
t=time
d=time it takes to doulbe

ok, so 4 weeks is the doubling time so that is 4*7=28 days

we wawnt time=98
and oroiginal number of rabbits is 5 so
P(98)=5(2)^{\frac{98}{28}}
P(98)=5(2)^{3.5}
P(98)=5(2^3)(\sqrt{2})
P(98)=5(8)\sqrt{2}
P(98)=40\sqrt{2}
so P(98)≈56.56
we can't have .56 rabbit so round down or up
about 56 or 57 rabbits in 98 days
8 0
4 years ago
Simply<br> (2k-9)^2+(k+2)^2=(2k+1)^2+(k-8)^2
vova2212 [387]

The square of a binomial expands as follows:

(a+b)^2=a^2+2ab+b^2

Expanding all the binomials, we have

4k^2-36k+81+k^2+4k+4=4k^2+4k+1+k^2-16k+64

Sum like terms:

5k^2-32k+85=5k^2-12k+65

Simplify terms appearing on both sides:

-32k+85=-12k+65

Move all terms involving k to the left and all numbers to the right:

-20k=-20

Divide both sides by -20:

k=1

6 0
4 years ago
Every dollar is 10 dimes write an equation to express the total number of dimes (z) in (y) dollars
nekit [7.7K]
Y=10z
Hope this helped:)
3 0
3 years ago
Read 2 more answers
What do you do when you forgot your homework at school?
puteri [66]
Here are some ways:

1. Just be honest.

2. Say it got shredded.

3. Come up with some other stupid excuse.

4. Redo it in the bathroom because you probably remember all the answers or ask people on Brainly for help.
4 0
3 years ago
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12. Sydney Star bought a new sweatshirt for $42.00. Sales tax was 8%.
levacccp [35]

Answer:

$45.36

Step-by-step explanation:

100 + 8 = 108

42/100 X 108 = 45.36

6 0
3 years ago
Read 2 more answers
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