Help pretty please :) <3

Answers

Answer 1

Answer: To find the mean, add up all of the numbers, and divide by the total amount of numbers.

-5 + -7 + 0 + 8 + 9 = 5

5/5 = 1

Answer 2

Answer: that would be 10 and your very welcome

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What is log(z^4/5) written in expanded form? 4logz−log5
4log5−logz
log5−4logz
logz−log5+4
please help asap will give brainliest

Answers

The log expression log(z⁴/5) can be written in expanded form as 4log z - log 5 option (A) is correct.

What is a logarithm?

It is another way to represent the power of numbers, and we say that 'b' is the logarithm of 'c' with base 'a' if and only if 'a' to the power 'b' equals 'c'.

$\rm a^b = c\nlog_ac =b$

It is given that:

The log expression is:

= log(z⁴/5)

As we know, from the logarithm properties:

log mⁿ = n log m

log(m/n) = log m - log n

Applying log properties we get:

= log(z⁴/5)

= log z⁴ - log 5

= 4log z - log 5

Thus, the log expression log(z⁴/5) can be written in expanded form as 4log z - log 5 option (A) is correct.

Learn more about the Logarithm here:

brainly.com/question/163125

#SPJ2

To get answer:

$\mathrm{Apply\:log\:rule}:\quad \log _c\left((a)/(b)\right)=\log _c\left(a\right)-\log _c\left(b\right)\n\log _(10)\left((z^4)/(5)\right)=\log _(10)\left(z^4\right)-\log _(10)\left(5\right)\n=\log _(10)\left(z^4\right)-\log _(10)\left(5\right)\n\mathrm{Simplify}\:\log _(10)\left(z^4\right)\n\log _(10)\left(z^4\right)\n\mathrm{Apply\:log\:rule\:}\log _a\left(x^b\right)=b\cdot \log _a\left(x\right),\:\quad \mathrm{\:assuming\:}x\:\ge \:0\n=4\log _(10)\left(z\right)\n$

Answer: $4\log _(10)\left(z\right)-\log _(10)\left(5\right)$

Answer: 4logz−log5

Marilyn has two credit cards, D and E. Card D has a balance of $691.64, and Card E has a balance of $1,014.22. The minimum monthly payment on Card D is 3.57% of the total balance, and the minimum monthly payment on Card E is 2.51% of the total balance. How much greater is the minimum payment on Card E than on Card D? a. $18.85 b. $8.10 c. $11.24 d. $0.77

Answers

Answer:

D. $ 0.77

Step-by-step explanation:

Given,

In card D,

Balance = $ 691.64,

Percentage of minimum monthly payment = 3.57%,

Thus, the minimum payment = 3.57% of 691.64

$=(3.57* 691.64)/(100)$

$=(2469.1548)/(100)$

≈ $ 24.69,

In card E,

Balance = $ 1,014.22,

Percentage of minimum monthly payment = 2.51%,

Thus, the minimum payment = 2.51% of 1014.22

$=(2.51* 1014.22)/(100)$

$=(2545.6922)/(100)$

≈ $ 25.46,

∵ Minimum payment in card E > Minimum balance in card D,

Thus, the difference between minimum balance in card E and minimum balance in D = 25.46 - 24.69 = $ 0.77

Hence, OPTION D is correct.

the answer is D-$0.77, i need 20 characters for this to be answer so this is all extra.

If 10 minutes talk-time costs $2, how much will 7 minutes cost?A) $1.40
B) $1.04
C) $1.34

Answers

the answer is A) $1.40

Answer:

Step-by-step explanation:

10=2

7=Xthen

10x=14,we divided both side by 10and we get

1.4$

Y=x-3 and 2x-4y=8 can you help me please

Answers

$\left\{\begin{array}{ccc}y=x-3\n2x-4y=8\end{array}\right\n\nsubtitute\ y=x-3\ to\ the\ second\ equation:\n\n2x-4(x-3)=8\n2x-4(x)-4(-3)=8\n2x-4x+12=8\n-2x+12=8\ \ \ \ |subtract\ 12\ from\ both\ sides\n-2x=-4\ \ \ \ |divide\ both\ sides\ by\ (-2)\n\boxed{x=2}\n\nput\ value\ of \x-2\ to\ the\ equation\ y=x-3:\ny=2-3=-1\n\nAnswer:\boxed{x=2\ and\ y=-1}$

$y=x-3\n2x-4y=8\n\n2x-4(x-3)=8\n2x-4x+12=8\n-2x=-4\nx=2\n\ny=2-3\ny=-1$

38% convert into fraction

Answers

To convert a percentage into a fraction, we must first convert the percentage into a decimal. We can do that by either dividing the percentage by 100, or (my personal shortcut) just shifting the decimal point over two places to the left.

38% = 0.38

Now, all we need to do to convert it into a fraction is put the numbers to the right of the decimal point above a multiple of ten with as many zeros as there are numbers to the right of the decimal point. In this case:

0.38 = $(38)/(100)$

Now, all we need to do is reduce to find our fraction.

38 and 100 are both divisible by 2, so we will start off by doing that.

$(38 / 2)/(100 / 2) = (19)/(50)$

And that is our answer.
38% in fraction form is $(19)/(50)$ .
Hope that helped! =)

What is the solution of the system? Use substitution. 4x – y = 5
3x – 7 = 2
A) (3, 7)
B) (7, -7)
C) (-3, 7)
D) (3/4, 2/5)

Answers

We need to solve 3x-7=2 for x

Let's start by adding 7 to both sides

3x-7+7=2+7

3x=9

Now just divide both sides by 3 so we can find the value for x

3x/3=9/3

x=3

Now substitute 3 for x in 4x-y=5 so we can find the value for y

4x-7=5

4(3)-y=5

-y+12=5

Add -12

-y+12-12=5-12

-y=-7

Now divide both sides by -1 so we can find the positive value for y

-y/-1=-7/-1

y=7

The answer is A

(3,7)

Good luck:0

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Yesterday, Julie’s bank account balance was –$10.28. She deposited some money into her account so that her balance is now $39.89.How much did she deposit into her account? A.$50.17 B.$39.00 C.$29.72 D.$10.00

What is the median of the following numbers?3.5.6.7,9,6,8

A recent survey by the cancer society has shown that the probability that someone is a smoker is P(S)=0.19. They have also determined that the probability that someone has lung cancer, given that they are a smoker is P(LC|S)=0.158. What is the probability (rounded to the nearest hundredth) that a random person is a smoker and has lung cancer P(S∩LC) ?0.350.030.020.83