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RSB [31]
3 years ago
12

A mallard duck is 56 to 65 cm long if the duck travel 97.8 miles at top speed in 1.5 hours how far did it travel in 1 hour

Mathematics
1 answer:
ra1l [238]3 years ago
6 0

Answer:

They traveled 2.71 in 1 hr

Step-by-step explanation:

97.8 divided by 1.5 then multiply that by 1hr

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yawa3891 [41]

\bf{1) \  x^4-61x^2+900=0 }

Applying the factorization method, for example:

      \bf{ 0=(x^2)^2-61(x^2)+900=(x^2-36)(x^2-25)}

               \bf{\\ &=(x+6)(x-6)(x+5)(x-5);    }

              \bf{ x_1=6 \quad x_2=-6 \quad \ \ \ x_3=5 \quad x_4=5  }

\bf{2) \  x^4-25x^2+144=0  }

Applying the factorization method:

          \bf{0&=(x^2)^2-25(x^2)+144=(x^2-16)(x^2-9) }

             \bf{ =(x-4)(x+4)(x-3)(x+3); }

            \bf{ x_1=4 \quad x_2=-4 \quad x_3=3 \quad x_4=-3  }

7 0
2 years ago
5. Which graph shows a line with the same y-intercept as the graph of 10x-16y=-40?
Aleksandr-060686 [28]

Answer: B

Step-by-step explanation:

8 0
3 years ago
What is f(-2) for f(x)=1/2x^2
GarryVolchara [31]
Answer: 2

Steps:
f(-2) = 1/2x^2
f(-2) = 1/2(-2)^2
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f(-2) = 2
7 0
3 years ago
Need help will reward
sweet [91]
Submit anwser it’s correct can i get brainliest
5 0
3 years ago
5.4 is an integer. <br> True <br> OR<br> False
Svetach [21]

Answer:

False

Step-by-step explanation:

As integer is a whole number that is not a fractional number that can be positive, negative, or zero.

7 0
3 years ago
Read 2 more answers
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