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den301095 [7]
3 years ago
6

A drone travels 180 kilometers in the same time a bird travels 120 kilometers. If the drone's speed is 20 km/hr faster than the

bird, find the speed of each.
​
Mathematics
1 answer:
allochka39001 [22]3 years ago
3 0

Answer:

drone is 60km/h bird 40km/h

Step-by-step explanation:

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Which expression is the factorization of x2 + 10x + 212
Montano1993 [528]

Answer:

The answer is option 1.

Step-by-step explanation:

Firstly, you have to elaborate the expression :

{x}^{2}  + 10x + 21

=  {x}^{2}  + 3x + 7x + 21

Next you have to take out the common factors and factorize it :

{x}^{2}  + 3x + 7x + 21

= x(x + 3)  +  7(x + 3)

= (x + 7)(x + 3)

8 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points ( 5 , − 10 ) (5,−10) and ( 11 , − 12 ) ? (11,−12)? Write your answe
yan [13]

The slope of the line that passes through (5,−10) and ( 11 , − 12 ), in simplest form is: -1/3

<em><u>Recall:</u></em>

  • The slope of a line passing across through two points can be calculated using: m = \frac{y_2 - y_1}{x_2 - x_1}

<em><u>Given two points:</u></em>

(5,−10) and ( 11 , − 12 )

  • Let,

(5,-10) = (x_1, y_1)\\\\( 11 , - 12) = (x_2, y_2)

  • Substitute

m = \frac{-12 - (-10)}{11 - 5}

Slope (m) = -2/6

Slope (m) = -1/3

Therefore the slope of the line that passes through (5,−10) and ( 11 , − 12 ), in simplest form is: -1/3

Learn more about slope of a line on:

brainly.com/question/3493733

4 0
3 years ago
Help me plz I need help.
Sever21 [200]

Answer:

C

Step-by-step explanation:

The sum of the lengths of any two sides of a triangle is greater than the length of the third side.

4 0
3 years ago
You buy a motorcycle for $8,550. The motorcycle depreciates 17% per year. If you pay for the motorcycle with a 5 year loan, how
valentina_108 [34]

Answer:45

Step-by-step explanation:

took it .

7 0
4 years ago
in a recent year, the weather was partly cloudy 2/5 of the days. Assuming there are 365 days ina year, how many days were partly
Karolina [17]


Here's two ways

1. (365*2)/5 =

730/5 =

146 days

2. 365/5=

73*2

146 days

3 0
3 years ago
Read 2 more answers
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