3 years ago

You fly a helicopter for 20 minutes that goes at a speed of 240 km per hour. How far did you go?

Mathematics

1 answer:

Stells [14]3 years ago

4 0

Answer:

4800 km

Step-by-step explanation:

240*20=4800

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In a class of 18 children, 13 have pet dogs at home, 11 have pet cats, and 8 have both. How many kids do not have four-legged pe

8_murik_8 [283]

Answer:

2 people

Step-by-step explanation:

8 have both that means that of the 11 people that have cats 3 have only cats and of the 13 that have dogs 5 only have dogs therefore 2 people don't have four-legged animals at home

8 0

3 years ago

Read 2 more answers

For questions 20 through 23, use the graph below.

spayn [35]

Answer:

20) yes

21) -1

22) 1

23) -4

Step-by-step explanation:

8 0

2 years ago

Write the recursive rule and the iterative rule for the following sequence: 10, 6, 2, -2, -6

barxatty [35]

The recursive rule is
$a_n=a_{n-1}+(-4)$ .
The iterative rule is
$a_n=14-4n$

The recursive rule is given by the formula
$a_n=a_{n-1}+d$ , where d is the common difference. Our common difference is -4, which gives us the recursive rule above.

The iterative rule begins with the formula
$a_n=a_1+d(n-1)$ , where a₁ is the first term and d is the common difference. Our first term is 10 and our common difference is -4:
$a_n=10+(-4)(n-1)
\\\text{Using the Distributive Property,}
\\
\\a_n=10+(-4*n)+(-4*-1)
\\
\\a_n=10-4n+4
\\
\\\text{Combining like terms,}
\\
\\a_n=14-4n$

7 0

3 years ago

What is the solution of 3x+8/x-4 less than or equal to 0

Angelina_Jolie [31]

Use this 3 following steps:

1)At first, we should find the roots :

3x+8=0 => x=-8/3

x-4=0 => x=4

2)Using a chart for the limits:

photo

3)choose your solution:

[-8/3,-4)==> Sentence 3 is correct