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Serggg [28]
2 years ago
13

17 20ths as a decimal.

Mathematics
1 answer:
Paul [167]2 years ago
4 0
The answer is .85. 17/20 = .85
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PLEASEEE HELP THANK YOU!
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Hi Sophia! The answer is the option 3!

Step-by-step explanation:

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What is missing for the following quantity to be true? 3x + 4y + 7a = 4y + 3x + __
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Multiple Step Equations
Wittaler [7]
The answer is D.

The first step is to use the distributive property and turn 5(x-4) into 5x - 20.
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Find z of the diagonal triangle. <br> Also, complete b.
STatiana [176]

Answer:

x = 30.91 cm , y = 29,86 cm and z = 39.30 cm.

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Step-by-step explanation:

sin 15 =8/x

x = 8 / sin 15

x = 30.91 cm.

and

tan 15 = 8/y

y = 8 / tan 15

= 29.86 cm.

The value of z can be found using the Pythagoras theorem:

50^2 = x^2 + z^2

z^2 =  20^2 - x^2 = 50^2 - 30.91^2

z^2 = 1554.57

z = √1554.57

=  39.30 cm.

b.  The area consists of 3 rectangles :- 1. sides x and z  2. sides z and 8 and the other has sides z and y. Also 2 triangles of height 8 and base length y cm.

Total area = 30.91  * 39.30 + 8 * 39.30 + 29.86 * 39.30 + 2 * 0.5 * 8 * 29.86

=  2942.54 cm^2.

3 0
3 years ago
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