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2 years ago

7

One number is two greater than another—the product of the numbers 1s 143. Find the numbers. One pair of numbers, both of which a

re positive, is _____

1 answer:

AlladinOne [14]2 years ago

4 0

Answer:

11 and 13

Step-by-step explanation:

The square root of 144 is 12 so the numbers must be close to that

since one number is two greater go up 1 and down 1 from 12

12 - 1 = 11

12 + 1 = 13

11 * 13 = 143

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How do I solve the length of AC?

Crank

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∆ABC and ∆ADE are similar triangles.

Thus ;

$\frac{AD}{AC} = \frac{DE}{BC} = \frac{AE}{AB} \\$

So :

$\frac{5}{3 + 2x} = \frac{4}{8} \\$

$\frac{5}{3 + 2x} = \frac{1}{2} \\$

Inverse both sides

$\frac{3 + 2x}{5} = \frac{2}{1} \\$

$\frac{2x + 3}{5} = 2 \\$

Multiply sides by 5

$5 \times \frac{2x + 3}{5} = 5 \times 2 \\$

$2x + 3 = 10$

Thus ;

$AC = 2x + 3 = 10$

$AC = 10$

Done...

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7 0

2 years ago

Sunny_sXe [5.5K]

Answer:

See Explanation

Step-by-step explanation:

The question is not properly formatted.

<em>Assume that the given parameter is: 4</em>

Required

The multiplicative inverse

Let a number be x, and the multiplicative inverse be y. The relationship between them is:

$y * x = 1$

Make y the subject

$y = \frac{1}{x}$

So;; for the assumed given parameter.

The multiplicative inverse is:

$y = \frac{1}{4}$

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2 years ago

What equation represents (0,3) (1, 1)

weqwewe [10]

your answer would be 2x - y + 3 = 0

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2 years ago

A new crew of painters can paint a small apartment in 12 hours. an experienced crew can paint the small apartment in 6 hours. ho

Yakvenalex [24]

This is the concept of proportionality, we are required to calculate for the number of hours two crews can use to paint the house altogether.
Here proceed as follows;
number of hours new crew can paint=12 hrs
portion of work painted by new crew in 1 hour= 1/12

number of hours experienced crew can paint=6 hours
Portion of work painted by experienced crew in 1 hour=1/6

Portion of work painted by the two crews altogether in 1 hour will be:
1/6+1/12=1/4

thus the total amount of hours that the two painters will take to paint will be:
4 hours

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3 years ago

Identify the slope y-intercept of the function y= -2x + 3.

Anna11 [10]

Answer:

First option.

Step-by-step explanation:

Use the formula y = mx + b.

Where m is the slope, and b is the y-intercept.

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5 0

2 years ago