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labwork [276]
3 years ago
9

Plz help.................

Mathematics
1 answer:
tatuchka [14]3 years ago
6 0

Answer:

x = - 12

Step-by-step explanation:

Given

\frac{x}{x+4} + \frac{7}{x-2} = 1

Multiply through by (x + 4)(x - 2) to clear the fractions

x(x - 2) + 7(x + 4) = (x + 4)(x - 2) ← expand using FOIL

x² - 2x + 7x + 28 = x² + 2x - 8

x² + 5x + 28 = x² + 2x - 8 ( subtract x² from both sides )

5x + 28 = 2x - 8 ( subtract 2x from both sides )

3x + 28 = - 8 ( subtract 28 from both sides )

3x = - 36 ( divide both sides by 3 )

x = - 12

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JulsSmile [24]

Answer:

The bigger avocado will be a better deal if the ratio of the sizes of the bigger one to the smaller one is less than the ratio of the prices of the bigger one to the smaller one.

Step-by-step explanation:

Given that two sizea of avocados are being sold, since the regular size is being sold for $0.84 each, let the price for the bigger avocado be $x.

Then note the following:

1. How bigger than the smaller avocado is the bigger one?

This would determine if the price for the bigger one is a bargain, or a mistake.

If for instance, the bigger avocado is double the size of the smaller one, then for any price, $x less that $1.68 (twice of $0.84), it is a bargain.

The bigger avocado will be a better deal if the ratio of the sizes bigger one to the smaller one is less than the ratio of the prices of the bigger one to the smaller one.

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3 years ago
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Question 4 (3 points)
katovenus [111]

Answer:

The vertical one is the y axis and the horizontal one is the x axis.

Step-by-step explanation:

3 0
3 years ago
Everett is rolling a block with the numbers 1, 2, 3, 4, 5, and 6 on it. Finley is drawing one disk from a basket of three disks:
ioda

Option A:

The probability that Everett and Finley end up with an even number and a blue disk is \frac{1}{6}.

Solution:

Given data:

Everett is rolling a block with numbers = {1, 2, 3, 4, 5, 6}

Finley is drawing one disk from basket with colors = {blue, red, yellow}

Total number of numbers = 6

Total number of colors = 3

$\text { Probability }=\frac{\text {Number of possible outcomes}}{\text {Total number of outcomes}}

$P\text{(Even number)} =\frac{3}{6}$

$P\text{(Blue disk)} =\frac{1}{3}$

$P\text{(Even number and Blue disk)} =\frac{3}{6}\times\frac{1}{3}$

                                                  $=\frac{3}{18}

Divide numerator and denominator by the common factor 3.

                                                  $=\frac{3\div3}{18\div3}

                                                  $=\frac{1}{6}

Option A is the correct answer.

Hence the probability that Everett and Finley end up with an even number and a blue disk is \frac{1}{6}.

3 0
3 years ago
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Charra [1.4K]

Answer:

A=B-5

Step-by-step explanation:

Albert is known as the variable A.

Bill is known as the variable B.

If Albert is 5 years younger than Bill. Then the equation will be

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4 years ago
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Answer:

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