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Crazy boy [7]
3 years ago
14

Expressing rational numbers with decimal expansions

Mathematics
1 answer:
evablogger [386]3 years ago
8 0
Moving the decimal over by counting the 0's and moving over and if u move it past the the last number you add a decimal and put a 0 if there is not enough to numbers always move to the right
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3 to the 2nd power plus 2 to the 3rd power
Amanda [17]

Answer:

<h2>17</h2>

Step-by-step explanation:

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8 0
2 years ago
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Help pls my test is about to end​
azamat

Answer:

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Step-by-step explanation:

6 0
3 years ago
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I Need Help Pwease :-&gt;<br> ******************************
MissTica

Answer:

Area: 135 ft^2

Perimeter: 50 ft

Step-by-step explanation:

area:

take the rectanle so length 12 x 9 = 108 so that is the length of the rectangle and now we need to find that of the triangle left over

subract 18 - 12 = 6 so that is the base of the trianle and we know the side length is 9 so plus it in A = (9)(6)/2

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A = 27

add 27 + 108 to get the total area

135

perimeter:

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5 0
2 years ago
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Please helppp!! Find the missing side . Round to the nearest tenth
olga nikolaevna [1]

Answer:

7.  7.8

Step-by-step explanation:

We can use Tan of this angle to find the missing side (in this case, the side adjacent to the angle measuring 57°)

 Tan A = (opposite side)/(adjacent side)

    Tan 57° = 12/x

solve for x

           x(Tan 57°) = 12

               x = 12/(Tan 57°)

                 x = 7.8   (rounded to the nearest tenth)

6 0
2 years ago
Which expression represents the calculation “add 5 and 6, then multiply by 3"?
Anarel [89]
(5 + 6)3   would represent  what you want.
5 0
3 years ago
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