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yan [13]
2 years ago
12

Rewrite each expression in the form kkxxnn, where kk is a real number and nn is an integer. Assume x ≠ 0.

Mathematics
1 answer:
labwork [276]2 years ago
7 0

Answer:

The expression will be 2x^5\times x^{10}=2x^{5+10}=2x^{15}

Step-by-step explanation:

We have given the expression 2x^5\times x^{10}

We have to write this expression in kkxxnn form , here kk is real number and nn is integer

We know the property of exponent that when two function are multiplied thn their exponent are added

So 2x^5\times x^{10}=2x^{5+10}=2x^{15}

Here kk = 2 and nn = 15

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Please help me I don’t have time.
Advocard [28]

Answer:

D

Step-by-step explanation:

C=0.05M+40

Cost = 5 cents per minute plus 40 dollars

8 0
3 years ago
a firefighter dives at 7.5 m/sec from window to net. If window is 34 m above net, what speed does firefighter hit net. ACCELRATI
lianna [129]

Answer:

Step-by-step explanation:

This is more physics than math, but since "The book of nature is written in the language of mathematics"...

Anyway, the one-dimesional motion equation you want to use here resembles the quadratic we use to model parabolic motion. It is

v^2=v_0^2+2aΔx

where v is the final velocity of the firefighter, v₀ is the initial velocity of the firefighter, a is -9.8 m/s/s (negative because the motion is in the downward direction), and Δx is -34 m. This is also negative because where the firefighter lands is below the point at which he started. This is important, because if you leave the 34 as positive, you end up with a negative radicand...and that's not gonna work. Filling in the formula:

v^2=(7.5)^2+2(-9.8)(-34)

Paying close attention to significant digits here is important (at least it is when I teach physics in school!). Since there are 2 significant digits in 7.5, we need 2 in the product. 7.5 squared is 56.25 which will round to 56. Then on the right side of the plus sign, we need 2 significant digits as well since the number 2 is part of the equation. We don't count it as significant if it is part of the equation. 2(-9.8)(-34) = 666.4 but that will round to 670. NOW, since the rules for significant digits are different in multiplication and addition, you have to round each first, then take the square root of the sum, rounding at the end. In this case we will round to the place that holds the least significance between the 2 numbers. In our case that is the tens place, since the tens place is less significant than is the 1's place. The number 7 is in the tens place. (Following that rule is super tricky, and also quite maddening!)

What we have here is

v^2=56+670 and

v=\sqrt{56+670}

That leaves us with

v = 26.94438j

But don't forget we round that to the tens place which comes out in the end, finally, to

v = 30 m/s

 

5 0
3 years ago
f is a quadratic function whose graph is a parabola opening upward and has a vertex on the x-axis. The graph of the new function
Dmitriy789 [7]
<span> Answer: ( - infinity , 2] 
No need to spam, it makes you lose your hard-earned points!</span>
4 0
3 years ago
Read 2 more answers
HELPPPPPP QUICKKKKKHELPPPPPP QUICKKKKKHELPPPPPP QUICKKKKK
Lilit [14]

Answer:A

Step-by-step explanation: The first few square numbers are:

1

,

4

,

9

,

16

,

25

,

36

,

49

,

√

1

=

1

√

4

=

2

√

9

=

3

√

16

=

4

√

25

=

5

√

36

=

6

w

w

w

w

w

w

←

√

40

lies here

√

49

=

7

Therefore

√

40

is between

6

and

7

8 0
2 years ago
Read 2 more answers
Which shows the dilation with a possible scale factor if 1/2
NikAS [45]

Answer:

There is no diagram or any information of what you are dilating but a simple tip is to DIVIDE THE TARGET BY 2

Step-by-step explanation:

You would divide by two because you're dilating by 1/2

3 0
3 years ago
Read 2 more answers
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