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3 years ago

Start with k, add 2, multiply by 6, then subtract 8. Please answer its URGENT! needed NOW

Mathematics

1 answer:

adelina 88 [10]3 years ago

3 0

The answer is 4 because k+2 would be 2 then times by 6 which is 12 then subtract 8 would be 4

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The tables below show the values of y corresponding to different values of x: Table A x 3 3 2 y 1 0 0 Table B x 3 5 5 y −2 2 −2

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Answer:

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Step-by-step explanation:

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3 years ago

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A 100 mL vial of 25% solution is available in stock. An order is recieved for 6 g to be added to 250 mL of fluid for an iv infus

Ne4ueva [31]

9514 1404 393

Answer:

274 mL

Step-by-step explanation:

Often medical solutions expressed as a percentage are not really a percentage as such. A percentage is the ratio of two quantities with the same units.

Here, the context given by the problem suggests the "25%" solution is really (25 g)/(100 mL). That is, the units are grams and milliliters--different units.

With that assumption, we want to find the volume (v) of solution needed to deliver 6 g of medicine. An appropriate proportion* is ...

v/(6 g) = (100 mL)/(25 g)

v = (6 g)(100 mL)/(25 g) = 24 mL

So, the total volume of the infusion is ...

250 mL +24 mL = 274 mL

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* The concentration is given in terms of g/mL, but we have used a proportion that is mL/g. The reason for that is we want the variable to be in the numerator of the ratio. The variable here represents volume, so we have written the proportion with volumes in the numerators.

Having the variable in the numerator means the equation can be solved in one step--by multiplying by its denominator.

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3 years ago

Help me please my test is tomorrow!

Marysya12 [62]

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$4z + 2 = 10z - 1$

Add sides 1

$4z + 2 + 1 = 10z - 1 + 1$

$4z + 3 = 10z$

Subtract sides 4z

$- 4z + 4z + 3 = - 4z + 10z$

$3 = 6z$

$6z = 3$

Divide sides by 6

$\frac{6z}{6} = \frac{3}{6} \\$

$z = \frac{1}{2} \\$

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$3y = y + 3$

Subtract sides y

$- y + 3y = - y + y + 3$

$2y = 3$

Divide sides by 2

$\frac{2y}{2} = \frac{3}{2} \\$

$y = \frac{3}{2} \\$

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Thus the correct answer is :

$a) \: y = \frac{3}{2} \: , \: z = \frac{1}{2} \\$

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3 years ago

Completely factor the equation: 35 + 5x

OlgaM077 [116]

5 (x + 7) is the answer

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3 years ago

Factor to find the zeros of the function defined by the quadratic expression.

wel

Hi there! The answer is A) x = 3 or x = 6

$2 {x}^{2} - 18x + 36 = 0$
Divide by 2.

${x}^{2} - 9x + 18 = 0$
Factor.

$(x - 3)(x - 6) = 0$
Use the rule AB = 0 gives A = 0 or B = 0

$x - 3 = 0 \: \: or \: \: x - 6 = 0 \\ x = 3 \: \: \: \: \: \: \: \: \: or \: \: x = 6$

The answer is A) x = 3 or x = 6

4 0

3 years ago

Read 2 more answers

Start with k, add 2, multiply by 6, then subtract 8. Please answer its URGENT! needed NOW ​

Start with k, add 2, multiply by 6, then subtract 8. Please answer its URGENT! needed NOW