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Fittoniya [83]
3 years ago
7

A ballroom is 60 ft long and 30 ft wide. Which of the following formulas is the correct formulas to determine the perimeter of t

he ballroom. a. P=2+60+2+30 b. P=60x30 c. P= 30x 30 + 60 x60 d. P= 2 x 60 + 2x 30
Mathematics
1 answer:
Inessa [10]3 years ago
6 0

Answer:

The answer is D: 2 x 60 + 2 x 30

Step-by-step explanation:

The perimeter is the lengths of all the sides of a shape combined.  Therefore, 60 is one side and 30 is the other side.  Since the opposite sides are equal, there are two sides that equal 60 and two sides that equal 30.  

So, 60 + 60 + 30 + 30.  

60 + 60 = 60 x 2

30 + 30 = 30 x 2

Therefore, the answer is 60 x 2 + 30 x 2.  

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Answer: 2 or more.

X and Y could be anything, so there are at least two answers

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2 years ago
Suppose the scale factor you will use to enlarge the map is 5:1. What is the approximate area of the park in your enlarged drawi
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image ?

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4 0
2 years ago
If w and are numbers, which of the following expressions will always be the distance between w and Q
aev [14]
<h3>Answer: Choice A.  |w - q|</h3>

Let's say for example that w = 10 and q = 7. This means the distance between these values is w-q = 10-7 = 3. This is the distance between w and q.

Now let's make q larger. If w = 12 and q = 20, then w-q = 12-20 = -8 assuming we subtract in the same order. We use absolute value bars to ensure the result is positive. So instead we say

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3 0
3 years ago
Jonathan is planning a party at the skating rink. The cost for each person attending is 3.50 for sate rental and $5.00 for food.
Zina [86]

He can only invite 35 people

the cost per person = $3.50 + $5.00 = $8.50

dividing $300 by $8.50 determines the amount he can invite

\frac{300}{8.5} = 35.29411...

He can invite 35 people at a cost of $8.50 × 35 = $297.50


7 0
3 years ago
Find the lengths of BC and XZ and the measure of BZX
Ann [662]
BC = 12; XZ = 8; BZX = 55

To find BC:
Since XY is the bisector of AB and AC, this means that it is a median of triangle ABC.  Its length will be half of the length of BC; 6 = 1/2BC; 6*2 = BC; 12 = BC

To find XZ:
Since XZ is the bisector of AB and BC, this means that it is a median of triangle ABC.  Its length will be half of the length of AC; 1/2(16) = 8.

To find BZX:

XYCZ is a parallelogram.  Consecutive angles of a parallelogram are supplementary; 180-55=125=XZC.

XZC and BZX form a linear pair and are thus supplementary.  This means that BZX = 180-XZC = 180-125 = 55
4 0
3 years ago
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