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3 years ago

The sum of two number is 13 and their product is 42 then what are the two numbers

Mathematics

1 answer:

Vaselesa [24]3 years ago

5 0

Answer:

6 and 7

Step-by-step explanation:

x + y = 13

xy = 42

I just listed the two equations out and the answer just popped out. The trick to this is just thinking about two numbers that obviously both below 13 that add up to it. 6 and 7 is the solution.

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3 years ago

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Kobotan [32]

Answer:

2 $\sqrt{5}$

Step-by-step explanation:

Using the rule of radicals

$\sqrt{a}$ × $\sqrt{b}$ ⇔ $\sqrt{ab}$

Simplifying the radicals

$\sqrt{125}$ = $\sqrt{25(5)}$ = $\sqrt{25}$ × $\sqrt{5}$ = 5 $\sqrt{5}$

$\sqrt{180}$ = $\sqrt{36(5)}$ = $\sqrt{36}$ × $\sqrt{5}$ = 6 $\sqrt{5}$

$\sqrt{45}$ = $\sqrt{9(5)}$ = $\sqrt{9}$ × $\sqrt{5}$ = 3 $\sqrt{5}$

Thus

$\sqrt{125}$ - $\sqrt{180}$ + $\sqrt{45}$

= 5 $\sqrt{5}$ - 6 $\sqrt{5}$ + 3 $\sqrt{5}$

= 2 $\sqrt{5}$

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3 years ago

jen makes a rectangular banner. it is 3/4 yard long and 1/4 yard wide. what is the area, in square yards of the banner

SashulF [63]

Ok so in order to find the answer to this problem we are going to Multiply $\frac{3}{4}$ and $\frac{1}{4}$ . $\frac{3}{4}* \frac{1}{4}= \frac{3}{4}
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Elanso [62]

Answer:

Step-by-step explanation:

Absolute Value. Absolute value describes the distance of a number on the number line from 0 without considering which direction from zero the number lies. The absolute value of a number is never negative. The absolute value of 2 + 7 is 5.

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Kryger [21]

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The sum of two number is 13 and their product is 42 then what are the two numbers​

The sum of two number is 13 and their product is 42 then what are the two numbers