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Contact [7]
3 years ago
14

Do all squares have two pairs of parallel sides?Explan

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
7 0

Yes any square is also a parallelogram, but not the other way around (some parallelograms are not squares). In other words, any square is a parallelogram.

If you draw a Venn Diagram, the set of squares will be entirely inside the set of parallelograms.

This is because any rhombus is also a parallelogram, and the same applies to rectangles as well. A square is the combination of a rhombus and rectangle.

Rhombus = four sided figure where all sides are equal

Rectangle = four sided figure where all angles are equal to 90 degrees

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A bicycle manufacturing company makes a particular type of bike. Each child bike requires 4 hours to build and 4 hours to test.
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A bicycle manufacturing company makes a particular type of bike. Each child bike requires 4 hours to build and 4 hours to test.
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Please help me, i’m about to fail and i have another class on top of this !! you’ll save me.
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On a coordinate plane, a point is 7 units up on the y-axis. Which of the statements are true? On a coordinate plane, a point is
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Answer:

The second one

The third one

Step-by-step explanation:

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3 years ago
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A sports trainer has monthly costs of $80 for phone service and $40 for his website and advertising. In addition he pays a $15 f
bogdanovich [222]

Answer:

Step-by-step explanation:

The average cost for the training session provided he is a sports trainer can be computed as follows:

Let's assume that;

average cost = C(x)

the no. of session = x

Then:

C(x) = \dfrac{\text{Total cost}}{\text{no. \ of sessions}}

C(x) = \dfrac{\text{80 + 40 + 15x}}{\text{x}}

C(x) = \dfrac{\text{120+ 15x}}{\text{x}}

Now, suppose the trainer wants the average cost C(x) to drop below $16;

Then, we have the following function:

\dfrac{120+15x}{x}\leq C(x)

\dfrac{120+15x}{x}\leq16

By cross multiply:

120 + 15x ≤ 16x

120 ≤ 16x - 15x

120 ≤ x

Therefore, the required no. of session, if the average cost should drop below $16, is 120.

7 0
3 years ago
Which best explains whether 9 is a solution to the inequality x greater-than 9? It is not a solution because 9 is not greater th
patriot [66]

Answer:

"It is not a solution because 9 is not greater than 9."

Step-by-step explanation:

x>9\\

If x is 9, then the inequality would be untrue because x must be GREATER than 9 not equal or greater.

5 0
3 years ago
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