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s2008m [1.1K]
3 years ago
12

Which of the following quadrilateral have digonals that are always perpendicular to each other?check all that apply.

Mathematics
1 answer:
hoa [83]3 years ago
6 0

Answer: Rhombus and Square

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B) Simplify 9y - 6y + y
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The answer is 4y

Step-by-step explanation:

Simplify the expression.

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HELPPP!!!!!!!! What is the value of f(6)
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An oil refinery is located on the north bank of a straight river that is 2 km wide. A pipeline is to be constructed from the ref
Deffense [45]
To minimize the cost, we take the straight distance from the refinery to the other side of the river as 2 km. Also, the 7 km will be the distance that has to be traveled by the pipeline in land. The total cost, C, is therefore,
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4 0
3 years ago
A map has a scale of 5 in. = 15 mi. If you measured the distance between two cities to be 26 in. On the map, how many miles woul
Reil [10]

Answer:

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Step-by-step explanation:

Scale used for the actual distance between two cities on a map is,

5 in. = 15 mi.

\frac{5}{15} in. = \frac{15}{15} mi.

1 mi. = \frac{1}{3} in.

1 inch = 3 miles

Therefore, 26 inches on the map = 26 × 3

                                                        = 78 miles

Therefore, actual distance between the two cities given on the map = 78.0 miles

5 0
3 years ago
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