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Andreyy89
3 years ago
8

Which of the following statements are ALWAYS true?

Mathematics
2 answers:
Svetlanka [38]3 years ago
5 0

Answer:

a rhombus is a quadrilateral

Natali [406]3 years ago
5 0

Answer:

A rhombus is a quadrilateral .

Step-by-step explanation:

A rhombus is a parallelogram with four congruent sides

So b) and d)

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Find the length of a leg of a right triangle (in inches) if the other leg measures 9 in. and the hypotenuse measures 19 in. Roun
kipiarov [429]

Answer:

a = 16.733

Step-by-step explanation:

Since this is a right triangle, we can use the Pythagorean theorem

a^2 + b^2 = c^2

a^2 + 9^2 = 19^2

a^2 = 19^2 - 9^2

a^2 = 361-81

a^2 =280

Taking the square root of each side

sqrt(a^2) = sqrt(280)

a = 16.73320053

Rounding to the nearest thousandth

a = 16.733

5 0
3 years ago
A scientist invents a car that can travel for many hours without stopping for fuel. The car travels around a track at 54 miles a
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Answer: 1,296 m iles

Step-by-step explanation:

Hi, to answer this question we have to apply the next formula:  

Distance = Speed rate x time

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Replacing with the values given and solving for D (distance)

D = 54 mph x 24 h = 1,296 m

The car traveled 1,296 miles

Feel free to ask for more if needed or if you did not understand something.

3 0
3 years ago
Evaluate the expression when x=5 and y=9 <br> X2 + 5y+ 16
7nadin3 [17]
10+45+16
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A machine can stamp 75 caps per minute. At this rate how long will it take to stamp 3000?
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Step-by-step explanation:

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