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irinina [24]
4 years ago
12

Keisha walked 12 miles in 3 hours. Which rate represents this situation?

Mathematics
2 answers:
GaryK [48]4 years ago
7 0
If you re-read your question, you will see that the answer you want is the one that includes 12 miles and 3 hours which is only choice A
Varvara68 [4.7K]4 years ago
3 0
The answer is A. 12 miles / 3hours.

Hope this helps!!!
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Triangle lmn has sides measuring 7 meters and 6 meters and a perimeter of 16 meters. heron’s formula: area = startroot s (s minu
FromTheMoon [43]

Answer:

9 m²

Step-by-step explanation:

s = half the perimeter = (a+b+c)/2

the perimeter in our case is

a+b+c = 16

so, s = 16/2 = 8

and the sides are

7 m

6 m

16 - 7 - 6 = 3 m

therefore, we get

area = sqrt(8(8-7)(8-6)(8-3)) = sqrt(8×1×2×5) = sqrt(80) =

= 8.94427191... ≈ 9 m²

5 0
2 years ago
What is the simplified form of (3x2y3)4<br> A) 3x8y12 <br> B) 3x6y7 <br> C) 81x6y7 <br> D) 81x8y12
miv72 [106K]

(3x^2y^3)^4 simplified is 81x^8y^12 or option D

Hope this helped!

8 0
3 years ago
Read 2 more answers
Which equation is related to this equation? m*8=24 A. m=25\8 B. m=24*8 C. m=24-8 D. m=8\24
lozanna [386]

<span>Looking at the choices closely, you can find one relation or sameness with the given situation m*8=24. Isolating “m” gives you a new equation m=24/8 which is related to equation  m=25/8. It has same m value on the left of the equation and it contains 2 whole numbers and arithmetic operation (/) on the right of the equation.</span>

7 0
4 years ago
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a car is travelling at x kilometres per hour find the cars speed, in terms of x in metres per second give your answer in its sim
andrey2020 [161]
Its distance divided by time takrn × 60
7 0
3 years ago
There are 4 Board of Directors positions open. 2 will be for men, 2 will be for women.
laiz [17]

Answer:

1980 total outcomes are possible.

Step-by-step explanation:

The order in which the candidates are chosen is not important. So we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

How many total outcomes are possible?

2 men, from a set of 11.

2 women, from a set of 9.

So

T = C_{11,2}*C_{9,2} = \frac{11!}{2!9!}*\frac{9!}{2!7!} = 1980

1980 total outcomes are possible.

3 0
4 years ago
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