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3 years ago

Help please lol I can’t figure it out

Mathematics

1 answer:

masha68 [24]3 years ago

5 0

A rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number.

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What is the surface area of the square pyramid?

matrenka [14]

Answer:

sa (surface area) = $a^{2} + 2a$ $\sqrt{x} \frac{a^2}{4} + h^2\\$

Step-by-step explanation:

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2 years ago

How can you write the equation for a linear function if you know only two ordered pairs for the function?

Veronika [31]

Step-by-step explanation:

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2 years ago

Read 2 more answers

9. In a rhombus whose side measures 34 and the smaller angle is 42°. Find the length of the larger diagonal, to the nearest tent

Veseljchak [2.6K]

Answer:

63.5

Step-by-step explanation:

The diagonals of a rhombus bisect opposite angles.

The longer diagonal bisects the 42° angle

The larger angle of the rhombus is 180 - 42 = 138

Let x = the length of the longer diagonal

You know two sides and the included angle of a triangle.

Using the law of cosines we get

$x^{2} = 34^{2} + 34^{2} -2(34)(34) cos 138\\ = 1156 + 1156 - 2312 cos 138\\ = 4030.150837...\\x = \sqrt{4030.150837} = 63.48$ $x^{2} = 34^{2} + 34^{2} -2(34)(34)cos 138\\ = 1156 + 1156 - 2312 cos 138\\ = 4030.1508...\\ x = \sqrt{4030.1508} \\ = 63.48$ x^2 = 34^2 + 34^2 - 2(34)(34) cos 138

= 1156 + 1156 - 2312 c0s 138

= 4030.1508...

x = sq rt 4030.1508...

= 63.5

7 0

2 years ago

a typical tip in a restaurant is 15% of the total bill. if the bull is $160, what would the typical tip be?

photoshop1234 [79]

Answer:

$24

Step-by-step explanation:

Fist, you will multiply the percent, 15, and the total money amount, 160, which you would get 2,400. Then, divide 2,400 by 100, and there you will get the tip, $24. I hope this helps :)

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2 years ago

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Yuri [45]

Answer:

8,000,802,4800

Step-by-step explanation:

Katrillion isn't a real value but everything else is.

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2 years ago