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lorasvet [3.4K]
3 years ago
10

Help me find out this prom or

Mathematics
2 answers:
Firlakuza [10]3 years ago
4 0

Answer:

80 percent

Step-by-step explanation:

Talja [164]3 years ago
4 0

Answer:

80 percent

Step-by-step explanation:

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the first term of an arithmetic sequence is 10 and the sum of the first five terms is 250,find the sequence​
Crazy boy [7]

Answer:

The  sequence  is:

10, 30, 50, 70, 90.....................

Step-by-step explanation:

We have,

First term (a) = 10

Common difference (d) = ?

Sum of first 5 terms (S_{5}) = 250

or, \frac{n}{2} [{2a+(n-1)d}] = 250

or, \frac{5}{2} [2*10 + 4d]=250

or, \frac{5}{2} * 4[5+d]=250

or, 10(5 + d) =250

or, 5 + d = 25

∴ d = 20

Now,

2nd term = a + d = 10 + 20 = 30

3rd term = a + 2d = 10 + 2*20 = 10 + 40 = 50

4th term = a + 3d = 10 + 3*20 = 10 + 60 = 70

5th term = a + 4d = 10 + 4*20 = 10 + 80 = 90

8 0
3 years ago
A falcon flies 800,000 meters in 4 hours. Use the formula d = rt, where d represents distance, r represents rate, and t represen
photoshop1234 [79]

Answer:

a. r=d/t b. 800000/4=200,000 c.800/2=200 d.not sure km are used more often as theyre simpler to use but there is not much that i am basing this off of

Step-by-step explanation:

5 0
3 years ago
What is the center and radius of the following circle: x2 + (y _ 6)_ = 50
Rama09 [41]
The true question should be like this:
<span>What is the center and radius of the following circle: x^2 + (y _ 6)^2 = 50, 
circle quation formula is (x-a)^2 + (y-b)^2 = R², so by identifying each term, we find </span>(x-a)^2=x^2 = (x-0)^2, (y-b)^2= (y _ 6)^2, R² = 50, implies R =5sqrt(2), 
it is easy to identify that the center is (a,b)= (0, 6)
the radius is R =5sqrt(2), 
3 0
3 years ago
4 ice cream cones cost $6. At this rate, how much do 7 ice cream cones cost?
satela [25.4K]

Answer:

$42

Step-by-step explanation:

Equation: y = 6x

x = number of ice cream cones

y = 6(7) = 42

5 0
3 years ago
Read 2 more answers
THIS IS DUE TODAY 1. A circle has a mass of 3 grams and a triangle has a mass of 5 grams.
horsena [70]

Answer:

3+2=5

5+2=7

Step-by-step explanation:

the square is 7 mass because from 3 to 5 the numbers increase by 2 so I add 5 and 2

7 0
3 years ago
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