3 years ago

Solve for x and y.x=y=

Mathematics

1 answer:

lianna [129]3 years ago

6 0

Answer:

x=1

y=7

I mean it's just a guess

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5. A hat contains 13 tickets with numbers 1 to 13 on them. If two tickets are drawn from the hat

Brilliant_brown [7]

Answer:

3.5

Step-by-step explanation:

the original probability is 7/6 favoring odd

4 0

2 years ago

If y= x+3/6-x, what is the value of y when x =7i?

djverab [1.8K]

Answer:

Option (2)

Step-by-step explanation:

Given : y = $\frac{x+3}{6-x}$

If x = 7i

y = $\frac{7i+3}{6-7i}$

By simplifying denominator of the given rational expression,

y = $\frac{7i+3}{6-7i}\times \frac{6+7i}{6+7i}$

y = $\frac{(7i+3)(6+7i)}{6^2-(7i)^2}$

y = $\frac{7i(6+7i)+3(6+7i)}{36-49i^2}$

y = $\frac{42i+49i^2+18+21i}{36+49}$ [Since, i² = (-1)]

y = $\frac{63i-49+18}{85}$

y = $\frac{63i-31}{85}$

y = $-\frac{31}{85}+\frac{63}{85}i$

Therefore, Option (2) is the correct option.

3 0

3 years ago

Jennifer will be driving to Las Vegas this weekend. From her home to the hotel she will be staying at is 1,345 miles away. If Je

Zarrin [17]

Answer:

It will take 19.2142857 hours

Step-by-step explanation:

1,345/70

Round to what you're required.

8 0

3 years ago

PLEASE HELP THIS IS EASY

Fofino [41]

Answer:

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Step-by-step explanation:

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2 years ago

Jason has 4 gallons of hand sanitizer that contains 25% alcohol. He wants to make a hand sanitizer that contains 50% alcohol. Ho

alexandr402 [8]

Answer:

2 gallons of pure alcohol

Step-by-step explanation:

Let x represent the number of gallons of pure alcohol needed, and create an equation:

4(0.25) + x(1) = (x + 4)0.5

1 + x = 0.5x + 2

x = 0.5x + 1

0.5x = 1

x = 2

So, 2 gallons of pure alcohol should be added.

8 0

3 years ago

Solve for x and y.x=y= ​

Solve for x and y.x=y=