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4 years ago

15

What is missing in this problem in order to solve it? A space ship traveled from the earth to the moon in 248 hours. How fast di

d it travel?

1 answer:

Tresset [83]4 years ago

4 0

They don’t tell you the speed of the 248 hours

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11) The sum of two numbers is 25. The difference of two numbers is 3.

kupik [55]

Answer:

11) 14 and 11

Step-by-step explanation:

i can't help in number 12 , sorry !

5 0

4 years ago

How to find side length given angle and 2 sides non right triangle?

makvit [3.9K]

I assume you mean, that an angle and two sides are known.

A formula that can be used for irregular triangles is the cosine rule.
$a = {b}^{2} + {c}^{2} - 2ab \cos(angle \: opposite \: a)$
'b' and 'c' must be sides that are beside the angle 'A' (angle opposite 'a').

8 0

4 years ago

A line segment has a midpoint of (6, 4) and an endpoint of (2, 1). What is the other endpoint of the line segment?

Andre45 [30]

Midpoint formula : m = (x1 + x2) / 2 , (y1 + y2) / 2
midpoint is (6,4)
one point is (2,1)...x1 = 2 and y1 = 1

(6,4) = (2 + x2) / 2 , (1 + y1)/2

so 2 + what divided by 2 = 6....
(2 + x) / 2 = 6
2 + x = 6 * 2
2 + x = 12
x = 12 - 2
x = 10

and 1 + what divided by 2 = 4..
(1 + y)/2 = 4
1 + y = 4 * 2
1 + y = 8
y = 8 - 1
y = 7

so ur other endpoint is : (10,7)

4 0

4 years ago

Identify the two rational numbers.

galina1969 [7]

Answer: A. 1.01 Same as 1 1/100 fractions are rational

B. 57 Integers are rational. (Invisible implied denominator is 1)

Step-by-step explanation: c might be, but the denominator is not specified-- or maybe / is supposed to mean square root. So probably not.

D. NO, non-repeating decimal numbers are irrational

7 0

3 years ago

The smallest prime factor of twelve is

Nimfa-mama [501]

2 is your prime factor

6 0

3 years ago