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Firlakuza [10]
3 years ago
7

Which three-dimensional figure has a cross section in the shape of a trapezoid if it is sliced by a plane that is parallel to a

side other than its base?
Mathematics
2 answers:
Serhud [2]3 years ago
5 0
The three-dimensional figure that will produce a trapezoid if its cross section was cut by a plane that is not parallel to its base is the rectangular pyramid. If a plane was cut parallel to the base of the pyramid, the shape that would be produced would be a rectangle.
Scilla [17]3 years ago
3 0

Answer: triangle area=90ft2

Step-by-step explanation:

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Two bicyclists are 180 miles apart when they start racing towards each other. If their speeds are 14 mph and 16 mph respectively
bija089 [108]
So first what you want to do is find out how much closer they would be after one hour. Since they're both moving towards each other, that means they gain, 

14 + 16 = 30 m in one hour.

(because they're both moving towards each other, so for the amount they get closer to each other, you want to add both of their speeds)

Since they were originally 180 miles apart, and you want to find how long it would take for them to be 20 miles apart, you want to just subtract 20 from 180 to find the total distance they have to travel.

180 - 20 = 160

Now divide 160 by 30 to find out how many sets of 30 miles, or one hour time periods, there are in 160 miles.

160 / 30 = 16/3 hours.

To make this into minutes, you can just multiply by 60.

16/3 * 60 = 960/3

960/3 = 320

So it'll be 320 minutes before they are 20 miles apart.
7 0
3 years ago
Read 2 more answers
Which solution set is graphed on the number line?<br><br> O x21<br> O x&gt;1<br> 0x&lt;1<br> O x51
Mkey [24]

Answer:

x < 1

Step-by-step explanation:

x is less than 1, we can see

we have an open circle, so <u>x is </u><u>only less</u><u> than 1</u>

it does not include 1

so answer is x < 1

3 0
3 years ago
Help plz. I need help with middle school math.
Whitepunk [10]

Answer:

B is right. A is 50 km/h B is 55 km/h and C is 45 km/h

7 0
3 years ago
Each side of the first figure is one unit copy and complete the table then find the function rule for the relationship between t
sergij07 [2.7K]
Perimeter of a shape is the total length of its border

Figure 1, perimeter = 5 units
Figure 2, perimeter = 7 units
Figure 3, perimeter = 9 units
Figure 4, perimeter  = 11 units

Notice that the perimeter is forming an Arithmetic sequence; 5, 7, 9, 11 with a common difference of 2

The general form of an Arithmetic sequence is 

n_{th}term=dn+0^{th}term

Where 'd' is a common difference and 'n' is the number of terms.

We have d = 2, and
zero term = the term before the first term = 3

n_{th}term=2n+3 ⇒ This is the rule to find the perimeter of the next figures

8 0
3 years ago
Nora uses 2 feet of ribbon to make a bow. She has 8 yards of ribbon. how many bows can she makes?
zimovet [89]
<span>She can make 12 bows because there are 3 feet in one yard so 8*3 is 24. then you divide 24 by 2 and you get 12 
</span>2ft ribbon=1bow
8 yards of ribbon
<span>1yard=3ft</span><span>
<u>She can make 12 bows!~</u>
<em>I hope this helps!~</em></span>
7 0
3 years ago
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