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Vedmedyk [2.9K]
3 years ago
5

I have more question then this one

Mathematics
1 answer:
attashe74 [19]3 years ago
3 0
The last option is correct
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If the perimeter of a rhombus is 164 and the length of the longer diagonal is 80, find the length of the shorter diagonal.
AysviL [449]

A rhombus has four equal sides. If the perimeter of this rhombus is 164, then the length of one side is 164/4, or 41.


Draw this rhombus. Label all four sides with "41." Label the longer diagonal 80 and the half length of that diagonal 40. You will see inside the rhombus four congruent triangles with hypotenuse 41, leg 10 and unknown height. Thus, this unknown height is found by solving x^2 + 40^2 = 41^2, and x^2=9, so that the length of the shorter diagonal is 2(2) = 18 (answer).

6 0
3 years ago
The volume of a cylinder is 480pie cm3. The height of the cylinder is 30 cm. What is the radius of the
guajiro [1.7K]

Answer:

R = 4cm

Step-by-step explanation:

V = π(R)²h = 480π

Divide by π

(R)²h = 480

Substitute h with 30

30*(R)² = 480

Divide by 30

(R)² = 16

Square root

R = 4cm

We do not accept R= -4 because it's a length, so it must be positive.

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2 years ago
Isabelle bought 12 bottles of water at $2 each
skad [1K]
$24, 2 Times 12 = 24
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3 years ago
Give an example of an integer and its opposite.​ <br><br> step by step answer please no downloads
UkoKoshka [18]

Answer:

integer: -2 opposite: 2

Step-by-step explanation:

the opposite of an integer is just the positive form of the negative-1,1. -3 3 etc

8 0
3 years ago
Express 0.000000298 in scientific notation
Olenka [21]
The expression would be 2.98 * 10 to the -7 power? Please tell me if I'm wrong.
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