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mel-nik [20]
3 years ago
7

Help me pleaseeeeeeeee

Mathematics
1 answer:
Hitman42 [59]3 years ago
7 0

Answer:

Subtract 5 from each side

Step-by-step explanation:

This would put all coefficients on one side.

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City x has a population of 3x10 to the fifth power. City y has a population of 6x10 to the sixth power. Which statement correctl
SVEN [57.7K]

Answer:

c

Step-by-step explanation:

because it is 3x10 to the 5th power there woould be 5 zeros

5 0
3 years ago
A sample of bacteria is decaying according to a half-life model. If the sample begins with 700 bacteria, and after 10 minutes th
Papessa [141]

Answer:

18 minutes

Step-by-step explanation:

A = A₀ (½)^(t / T)

where A is the final amount,

A₀ is the initial amount,

t is the time,

and T is the half life.

A = 140 when t = 10.  Solve for the half life:

140 = 700 (½)^(10 / T)

0.2 = ½^(10 / T)

log 0.2 = (10 / T) log 0.5

10 / T = 2.32

T = 4.31

When A = 40, t is:

40 = 700 (½)^(t / 4.31)

0.057 = ½^(t / 4.31)

log 0.057 = (t / 4.31) log 0.5

t / 4.31 = 4.13

t = 17.8

Rounded to the nearest whole number, it takes 18 minutes.

4 0
4 years ago
Given: Elmwood St. and Oak Dr. are the same distance. All intersections are perpendicular.
vlabodo [156]

Answer:

The above result is proved with the help of Pythagoras theorem and explained below.

Step-by-step explanation:

Given figure ABCD in which AD=BC and all angles intersect at right angle. Hence, the triangle formed inside ADC and ABC are right angled triangle.

In triangle ADC,

By applying Pythagoras theorem, we get

AC^{2}=AD^{2}+DC^{2}    →  (1)

In triangle ABC,

AC^{2}=AB^{2}+BC^{2}    →  (2)

Now, from eq (1) and (2)

Peach Tree Dr. is the same distance as Sycamore Ln.


AD^{2}+DC^{2} = AB^{2}+BC^{2}

⇒ DC^{2} = AB^{2}              (∵ AD=BC)

⇒ DC=AB                    (∵Distance can never negative)

Therefore, Peach Tree Dr. is the same distance as Sycamore Ln.


8 0
3 years ago
Simplify the expression: (2n + 3)(–2)
bonufazy [111]

Answer:

(2n+3)(−2)

=(2n+3)(−2)

=(2n)(−2)+(3)(−2)

=−4n−6

4 0
3 years ago
Read 2 more answers
0.08 is 10 time as great as?
olga_2 [115]

It is 10 times as great as 0.008.

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3 years ago
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