MATHEMATICS MIDDLE SCHOOL

A duck flew at 18 miles per hour for 3 hours,then at 15 miles per hour for 2 hours. How far
did the duck fly in all?

A. 69 miles
B. 75 miles
C. 81 miles
D. 84 miles

Answers

Answer 1
Answer: First, you do 18 miles times 3 hours.
The answer is 54
The you do 15 miles time 2 hours
The answer is 30
You can add them all up and get 84 miles total. (D)
Answer 2
Answer: The duck flew 84 miles in all

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Help!! I hate geometryyyy
How do u solve 13 5/9 - 8 1/6?

4y+x+9 well its making me wrote 20 charcters sooooooooooo

Answers


               4y + x + 9

can't be simplified, factored, expanded, graphed, solved, or evaluated.
So what is your question ?

15% of 9 marbles is what marbles?

Answers

Ok, bro!!
.
Let's get this straight.
.
100 is the default max percentage number.
.
Right?
.
So, solve this:
.
15/100 x 9.
.
1.35.
.
Wow. around half a marble?
.
Anyways, hope this helps!

Set up and solve a percent proportion. a) What is 10% of 70?

Answers

10% of 70 is 7.       I hope it helps.                                

10x = 70

divide both sides by 10.

x = 7

Therefore 10% of 70 is 7

What does 14 divided by 413 equal

Answers

0.0314....................... because you are dividing 14 BY 413, that means the quotient has to be less than 0 since the dividend is smaller than the divisor.

Which expression is equivalent to(2x^5+7x^3)-(5x^2-4x^3)

Answers

Answer:

The equivalent expression is 2x^5+11x^3-5x^2

Step-by-step explanation:

Given: (2x^5+7x^3)-(5x^2-4x^3)

Here we have expression and to simplify it

\Rightarrow (2x^5+7x^3)-(5x^2-4x^3)

Distribute minus sign

\Rightarrow 2x^5+7x^3-5x^2+4x^3

Combine the like terms (whose variable part same)

\Rightarrow 2x^5+(7x^3+4x^3)-5x^2

\Rightarrow 2x^5+11x^3-5x^2

Equivalent expression  \Rightarrow 2x^5+11x^3-5x^2

Hence, The equivalent expression is 2x^5+11x^3-5x^2
Hi

(2x⁵+7x³) - (5x²-4x³) = 2x⁵+7x³-5x²+4x³ = 2x⁵+11x³-5x²

Answer: 2x⁵+11x³-5x²

The male to female ratio in Taiwan is 52 to 48.Write this ratio as a fraction in reduced form. Please show work. Thanks

Answers

52/48 reduce
since they are both even start with 2
52/48= 26/24
divide by 2 again
13/12
cannot be reduced any more since 13 is a prime number
13 males/12 females

hope this helps
52=2*2*13
48=2*2*2*2*3
cancle the factors which are common
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Will give brainliest answer