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kherson [118]
3 years ago
13

An airplane flies 600 km in 1 hour. What is it’s average speed in kilometers per hour.

Mathematics
1 answer:
Gnoma [55]3 years ago
6 0
600km??? Because it’s travelling 600km and hour so it’s average is 600km and hour
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Answer the questions attached about the given sequence: -33, -27, -21, -15, ...
Arte-miy333 [17]

Answer:

see below

Step-by-step explanation:

-33, -27, -21, -15,....

-33 +6 = -27  

-27+6 = -21

-21+6 = -15

This is an arithmetic sequence

The common difference is +6

explicit formula

an=a1+(n-1)d  where n is the term number and d is the common difference

an = -33 + ( n-1) 6

an = -33 +6n -6

an = -39+6n

recursive formula

an+1 = an +6

10th term

n =10

a10  = -39+6*10

      = -39+60

      =21

sum formula

see image

The sum will diverge since we are adding infinite numbers

7 0
3 years ago
Find the center and radius of a circle given the equation: <img src="https://tex.z-dn.net/?f=%28x%20-%202%29%5E%7B2%7D%20%20%2B%
dimulka [17.4K]

Step-by-step explanation:

Equation of a circle is:

(x − h)² + (y − k)² = r²

where (h, k) is the center and r is the radius.

So in this case, the center is (2, -3) and the radius is 4/3.

3 0
3 years ago
The variable y has a proportional relationship with
Nana76 [90]

Answer:

11

Step-by-step explanation:

Constant of proportionality, k, is the ratio of the quantity of variable y to the quantity of variable x.

Using a point on the line, (4, 44),

Constant of proportionality, k = \frac{y}{x} = \frac{44}{4} = 11.

Constant of proportionality of the graph is 11.

3 0
3 years ago
Read 2 more answers
PLs help
Allisa [31]

hope this helps :)

Answers:

1a: I can predict that Flower Garden and Butterlfies and Ladybugs are the two more likely to be chosen, over April Showers.

1b: These percentages I got can prove my theory of that the probability of choosing April Flowers is much lower than the two other options.

Flower Garden: 35/78 ≈ 45%

April Showers: 16/78 ≈ 21%

Butterflies and Ladybugs: 27/78 ≈ 34%

2a: What you should NOT do is conclude which two will be picked.

2b: Although you can predict, based on percentages or other things. You cannot make such a conclusion with the choice being random.

8 0
2 years ago
Each of the equal sides of an isosceles triangle is 5 inches more than twice the third side. If the perimeter of the triangle is
solong [7]

Answer:

9   23   23

Step-by-step explanation:

Two sides are equal    and are  each   2x + 5    ( x = third side)

add the three sides to get 55 inches

2x + 5     +     2x+5     +  x   = 55

5x = 45

x = 9                so the sides are  9   and 23   and 23

3 0
2 years ago
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