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arlik [135]
3 years ago
6

What is approximately equal to

alt=" \sqrt{47} " align="absmiddle" class="latex-formula">
A: 40
B: 7
C: 16
D: 9.4​
Mathematics
1 answer:
liq [111]3 years ago
3 0

Answer:

d

Step-by-step explanation:

d

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Can someone please help me
erma4kov [3.2K]

Answer:

y = -5/3x -7

Step-by-step explanation:

If lines are parallel they have the same slope m = -5/3. Just need to figure out the new y-intercept going through the point (-9, 8).

y = mx + b

8 = -5/3(-9) + b

8 = 15 + b

b = -7

Now use m and b to form new equation of parallel line.

y = mx + b

y = -5/3x -7

6 0
4 years ago
Read 2 more answers
population 1 is normally distributed with a mean of 40 and a standard deviation of 4, and population 2 is normally distributed w
Softa [21]

Answer:

It must be A i mean i worked it out for a few so thats what i came up with

Step-by-step explanation:

8 0
3 years ago
(-3)3 (26)
Lemur [1.5K]

<em><u>Question:</u></em>

Geoffrey is evaluating the expression (-3)^3(2^6)/(-3)^5(2^2) as shown below.

(-3)^3(2^6)/(-3)^5(2^2) = (2)^a/(-3)^b = c/d

What are the values of a, b, c, and d?

<em><u>Answer:</u></em>

<em><u>The values are a = 4, b = 2, c = 16, d = 9</u></em>

<em><u>Solution:</u></em>

Given that,

Geoffrey is evaluating the expression

\frac{(-3)^3 \times 2^6}{(-3)^5 \times 2^2}

He is evaluating as shown below:

\frac{(-3)^3 \times 2^6}{(-3)^5 \times 2^2} = \frac{2^a}{-3^b} = \frac{c}{d}

From given,

\frac{(-3)^3 \times 2^6}{(-3)^5 \times 2^2}

Use the law of exponent

\frac{a^m}{a^n} = a^{m - n}

Therefore,

\frac{(-3)^3 \times 2^6}{(-3)^5 \times 2^2} = \frac{2^{6-2}}{(-3)^{5-3}}\\\\Simplify\\\\\frac{(-3)^3 \times 2^6}{(-3)^5 \times 2^2} = \frac{2^4}{-3^2}

Thus,

a = 4

b = 2

Simplify further

\frac{(-3)^3 \times 2^6}{(-3)^5 \times 2^2} = \frac{2^4}{-3^2} = \frac{16}{9}

Thus,

c = 16

d = 9

Thus values are a = 4, b = 2, c = 16, d = 9

8 0
4 years ago
If right answer good review
enot [183]

Answer:

The slope line will change from negative to positive.

5 0
3 years ago
Find mu if mu equals Summation from nothing to nothing [x times Upper P (x )]. ​Then, find sigma if sigma squared equals Summati
Stella [2.4K]

Answer:

mu = x√P(x) - £

£ = x√P(x) - xP(x)

Step-by-step explanation:

We have two equations there. Laying them simultaneously, we can derive the formula for "mu" and sigma. Let sigma be "£"

Equation 1

mu = £[xP(x)]

Equation 2

£^2 = x^2 P(x) - (mu)^2

Since we have sigma raised to power 2 (that is sigma square), we find sigma by square rooting the whole equation.

Hence sigma is equal to

[x√P(x) - mu] ...(3)

Since mu = xP(x), we substitute this into equation (3) to get

Sigma = x√P(x) - xP(x)

mu = x√P(x) - £

8 0
4 years ago
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