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AURORKA [14]
3 years ago
15

New Designs Up has 33 rows of seats in her Conference hall. If there are 45 seats in the 1st row, 41 in the 3rd, 37in the 5th an

d so on.

Mathematics
1 answer:
fenix001 [56]3 years ago
4 0

Answer:

1/3

Step-by-step explanation:

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How do you find the missing height of a trapezoid
IRISSAK [1]
A=1/3h(b1-b2). So h=3/(b1-b2)
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3 years ago
Circle D was dialated to form circle D'. The diameter of circle D is 5 units and the diameter of circle D' is 15 units. What is
Sphinxa [80]

Answer:

Let A1 be original area

A2 dilated Area

A1=pi*d^2/4

=3.143*5^2/4

A1=19.63 unit square

A2= 3.143*15/4

A2=176.74 unit square

A2 is 9 times greater than A1

Hence the answer is B

Step-by-step explanation:

3 0
3 years ago
What is the area of a rectangle with a base of 28 and a width of 42
OverLord2011 [107]
Area = base x height
28 x 42 = 1176
5 0
3 years ago
Friday night,a pizza parlor sold 5 large pizzas and some medium pizzas.The pizza parlor made a total of $291.how many medium piz
KatRina [158]
If a large pizza cost 15 dollars and the medium pizza is 9 dollars.Since the pizza parlor sold only 5 large pizzas, then… 15 x 5 = 75Deduct this from the total amount of pizza sold…$291 - $75 = $216So, the pizza parlor sold a total of $216 for the medium pizzas. Divide this to the amount of one medium pizza. $216 / 9 = 24.So the pizza parlor sold a total of 24 medium pizzas.
4 0
3 years ago
Read 2 more answers
You bike
Lyrx [107]
<h2>Answer:</h2>

<em>You will bike 30.2 miles in the seventh day according to the prediction.</em>

<h2>Explanation:</h2>

Here we have the following data, You bike

  • 5  miles the first day of your​ training,
  • 5.4 miles the second​ day,
  • 6.2 miles the third​ day, and
  • 7.8 miles the fourth day.

So we can know some facts:

  • From the first day to the second day the number of miles increases:

5.4-5=0.4mi

  • From the second day to the third day the number of miles increases:

6.2-5.4=0.8mi

  • From the third day to the fourth day the number of miles increases:

7.8-6.2=1.6mi

By taking a look at the pattern, we can see that each day you increases the number of miles by a factor of 2 compared to the previous day. So:

  • From the fourth day to the fifth day the number of miles increases:

x_{5}-7.8=3.2mi \\ \\ x_{5}=7.8+3.2=11mi, \ \text{Day 5}

  • From the fifth day to the sixth day the number of miles increases:

x_{6}-11=6.4mi \\ \\ x_{6}=6.4+11=17.4mi, \ \text{Day 6}

Finally:

  • From the sixth day to the seventh day the number of miles increases:

x_{7}-17.4=12.8mi \\ \\ x_{7}=12.8+17.4=30.2mi, \ \text{Day 7}

6 0
3 years ago
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