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lions [1.4K]
4 years ago
6

5(m+3+n).................

Mathematics
2 answers:
snow_tiger [21]4 years ago
5 0
What u want man whats de question
9966 [12]4 years ago
3 0
To simplify this expression you would need to distribute.

5 (m +3 +n) = 5m +5n +15
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Answer all for BRAINLIEST!!! And lots of points ASAP
Arlecino [84]

Answer:

Here they all are!

Step-by-step explanation:

1. 722.22222222%

2. 1.3

3. 8%

4. 587%

5.  4377/5000

6. 0.07

7. 100%

8.  82.608695652174

9. 3.2598

10. 2500%

11. 99

12. 48.6

4 0
3 years ago
Read 2 more answers
Evaluate log(-13)<br> Correct answer will get brainliest
Sedaia [141]

if given log(a)=b, where no base is stated, we assume base 10, or log(a)=log_{10}(a)

also, log_a(b)=c translates to/can be written equivilently as a^c=b


therefore, given

log(-13)=? where we want to find ?

assume base 10 and translate

10^?=-13

since we cannot raise a positive number to any real power and give a negative number, ? is not a real number and therefore, there are no real solutions


if we do want to find a solution, we can use Euler's idendity

e^{\pi i}=-1 where i is the complex number i=√-1 and e is euler's number

we can try to change bases to find the value of ?

e^{\pi i}=-1

13e^{\pi i}=-13

so

13e^{\pi i}=10^?

taking ln of both sides

ln(13e^{\pi i})=ln(10^?)

using log rules

ln(13)+(\pi i)ln(e)=(?)ln(10)

ln(13)+\pi i=?ln(10)

divie both side by ln(10)

\frac{ln(13)+\pi i}{ln(10)}=?

in a+bi form

?=\frac{ln(13)}{ln(10)}+\frac{\pi}{ln(10)}i



there are no real numbers that it evaluates to

however, it does evaluate to a complex number which is \frac{ln(13)}{ln(10)}+\frac{\pi}{ln(10)}i or aproximately 1.11394+1.36438i

3 0
3 years ago
Suppose your statistics instructor gave six examinations during the semester. You received the following grades (percent correct
zheka24 [161]

Answer:

15 samples

Step-by-step explanation:

The total sample space consists of 6 items

{79,64,84,82,92,77}

So,

n=6

The instructor has to randomly select 2 test scores out of 6.

So, r=6

The arrangement of scores selection doesn't matter so combinations will be used.

C(n,r)=\frac{n!}{r!(n-r)!} \\C(6,2)=\frac{6!}{2!(6-2)!}\\=\frac{6!}{2!*4!}\\=\frac{6*5*4!}{2!*4!} \\=\frac{30}{2}\\=15\ ways

Therefore, there are 15 different samples are possible without replacement ..

7 0
3 years ago
In a certain sequence of all positive terms, {a1, a2, a3, …} each term equals the previous term times a constant factor. If (a1)
andriy [413]

Let k be the constant factor between terms, so that

a_2=ka_1

a_3=ka_2=k^2a_1

and so on, with

a_n=ka_{n-1}=\cdots=k^{n-1}a_1

(notice how the exponent and the subscript add to n)

Then

a_5=k^4a_1

so if

a_1a_5=900

then

k^4{a_1}^2=900\implies k^4=\dfrac{900}{{a_1}^2}=\left(\dfrac{30}{a_1}\right)^2\implies k^2=\dfrac{30}{a_1}

Now,

a_3=k^2a_1=\dfrac{30a_1}{a_1}=30

so the third term in the sequence is 30.

7 0
3 years ago
Help me on this plz
Andrews [41]

Answer: $467.21

Step-by-step explanation:

8% of 600 = 48

600 - 48 = 552

8% of 552 = 44.16

552 - 44.16 = 507.84

8% of 507.84 = 40.6272

8% of 507.84 ≈ 40.63

507.84 - 40.63 = 467.21

7 0
3 years ago
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