Solve the equation for the value of x-6=x/-4

Please show your work, thank you.

Answers

Answer 1
Answer: Answer: x=24

x=-6*-4=24

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-7x = -28solving one step equations show your work

Find the value of X, I need help solving this

Answers

Answer:

C) 8

Step-by-step explanation:

41 + 6x + 1 = 90° because this is a right angle

42 + 6x = 90 subtract 42 from both sides

6x = 48 divide both sides by 6

x = 8

Answer:

the answer should be c

Step-by-step explanation:

180-90=90

90-41=49

49-1=48

48:6=8

x=8

The label on William's muffin said that one serving provided 11 grams of protein, which is 22% of the recommended dailyamount. What is the total recommended daily amount of protein?

Answers

Answer: 50 grams

Step-by-step explanation:

11=0.22 a

A =50

Divide and simplify to the form a+bi. 5+6i 5+6i 6+ i (Simplify your answer. Type an integer or a fraction. Type your answer in the form a+bi.)

Answers

Answer:

-(6)/(37) + (371)/(37)i

Step-by-step explanation:

We need to evaluate ((5+6i)(5+6i))/(6+i)

(5+6i)(5+6i) = (25 + 36i² + 60i) = (25 - 36 + 60i) = -11 + 60i

= (-11+60i)/(6+i)

Now we rationalize the denominator.

Now, multiplying both the numerator and denominator by (6-i)

(-66 + 11i + 360i - 60i^2)/(36 - i^2) = (-66 + 60  + 371i)/(37) = (-6 + 371i)/(37)

= -(6)/(37) + (371)/(37)i

Formula used:

(a+b)² = a² + b² + 2ab

i² = -1

how much 45% acid solution should be mixed with a 30% acid solution to make 450 ml of a 40% acid solution?

Answers

We do as follows:

let x = amount of 45% solution
    y = amount of 30% solution

overall balance =>    x + y = 450
acid balance     =>    .45x + .30y = .40(450)

Solving simultaneously, we will have:

x = 300 mL
y = 150 mL

This is assuming that partial molar properties does not affect the volume greatly. Hope this answers the question. Have a nice day.

A doctor at a local hospital is interested in estimating the birth weight of infants. How large a sample must she select if she desires to be 90% confident that her estimate is within 4 ounces of the true mean

Answers

Answer:

The minimum sample size needed is n = ((1.96√(\sigma))/(4))^2. If n is a decimal number, it is rounded up to the next integer. \sigma is the standard deviation of the population.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = (1 - 0.9)/(2) = 0.05

Now, we have to find z in the Z-table as such z has a p-value of 1 - \alpha.

That is z with a pvalue of 1 - 0.05 = 0.95, so Z = 1.645.

Now, find the margin of error M as such

M = z(\sigma)/(√(n))

In which \sigma is the standard deviation of the population and n is the size of the sample.

How large a sample must she select if she desires to be 90% confident that her estimate is within 4 ounces of the true mean?

A sample of n is needed, and n is found when M = 4. So

M = z(\sigma)/(√(n))

4 = 1.96(\sigma)/(√(n))

4√(n) = 1.96√(\sigma)

√(n) = (1.96√(\sigma))/(4)

(√(n))^2 = ((1.96√(\sigma))/(4))^2

n = ((1.96√(\sigma))/(4))^2

The minimum sample size needed is n = ((1.96√(\sigma))/(4))^2. If n is a decimal number, it is rounded up to the next integer. \sigma is the standard deviation of the population.

FACTOR COMPLETELY:
y^3 - 5y^2 - 17y + 21
HINT: one of the factors is (y-1)

Answers

Answer:

Answer:

7,300 meters

Step-by-step explanation:

7.3×1000 = 7300

Step-by-step explanation: