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3 years ago

Helpppppppp Solve for x. -30=5(x+1)

Mathematics

2 answers:

eduard3 years ago

6 0

Answer:

-30/5=x+1

-6=x+1

x=-6-1=-7

Sox=-7

Marizza181 [45]3 years ago

3 0

Answer:

X=-5

Step-by-step explanation:

-30= 5(x+1)

-30=5x +5

-5. -5

-25=5x

X=-5

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F(x) = 3x3 – 2x2 + x - 4 at x = -3

Yuri [45]

Steps to solve:

f(x) = 3x³ – 2x² + x; x = -3

~Substitute

f(-3) = 3(-3)³ - 2(-3)² + (-3)

~Solve the exponents

f(-3) = 3(-27) - 2(9) + (-3)

~Multiply

f(-3) = -81 - 18 - 3

~Subtract

f(-3) = -102

Best of Luck!

5 0

4 years ago

A sociologist recently conducted a survey of senior citizens who have net worths too high to qualify for Medicaid but have no pr

hjlf

Answer:

a) $s= 9.74$

D. 9.74

b) $Median= 74$

B. 74

Step-by-step explanation:

Part a

We have the following dataset given:

69 74 75 62 70 93 64 69 61 88 67 77 87 90 66 91 77 63 82 82 71 74 76 65 83

We can begin calculating the sample mean with the following formula:

$\bar X = \frac{\sum_{i=1}^n X_i}{n}$

And replacing we got:

$\bar X = 75.04$

Now we can calculate the sample deviation with the following formula:

$s =\sqrt{\frac{\sum_{i=1}^n (X_i-\bar X)^2}{n-1}}$

And after replace we got:

$s= 9.74$

Part b

For this case we need to sort the value on increasing way:

[1] 61 62 63 64 65 66 67 69 69 70 71 74 74 75 76 77 77 82 82 83 87 88 90 91 93

And the median would be the value in the position 13 and we got:

$Median= 74$

6 0

3 years ago

Which of the following is not a kind of consumer credit? a. installment credit b. personal loans c. service credit d. marginal c

Nat2105 [25]

A) installment credit
B ) personal loan
C) service credit
D) marginal credit

7 0

4 years ago

Read 2 more answers

What is the sum of the measures of the interior angles of a 12-gon?

sukhopar [10]

Answer:

The answer is 1800!

Step-by-step explanation:

7 0

3 years ago

Solve: 3x + 18 - 7 = 41

solmaris [256]

Answer:

x + 10

Step-by-step explanation:

7 0

4 years ago