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3 years ago

What is the average rate at which a person can quickly walk?

Mathematics

2 answers:

nalin [4]3 years ago

4 0

We can walk more than 3 steps an hour and we can't walk 30 steps an hour

Mrrafil [7]3 years ago

4 0

30 steps a minute is the average rate a person can walk.

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Find the measure of the exterior angle in the following triangle DUE SOON I’LL GIVE BRAINLIEST

anastassius [24]

Answer:

A. 125

Step-by-step explanation:

the sum of the remote angles is equal to the exterior angle

90+35=125

7 0

2 years ago

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Margaret is saving money for her summer vacation. She calculates that her starting amount is 0.4% of the total amount she wants

garri49 [273]

0.4% can be written as 0.004 in decimal.

Step-by-step explanation:

Let the total amount she wants to save be 'a'

Starting amount = 0.4% of the total amount

= 0.4% of a

= (0.4/100) a

0.4% = 0.4/100

= 0.004

0.4% can be written as 0.004 in decimal.

5 0

3 years ago

Explain What is the surface area of a cube with faces that each have an area of 14 cm2?

Naily [24]

I believe it is B. I could be wrong but I am hoping that you get it right

8 0

2 years ago

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Find the unit rate.Round to the nearest hundredth,if necessary. 370 for 12 ft2. The unit rate is $ _______/ft2 I NEED HELP!!!

satela [25.4K]

Answer:

30.80

Step-by-step explanation:

$370/12ft^2

hope this is helpful ! stay safe, God Bless you and your family...!

6 0

3 years ago

Find the vertex of this parabola. y = -2x2 + 4x + 12

STatiana [176]

For this case we have the following equation:
$y = -2x ^ 2 + 4x + 12
$
Deriving we have:
$y = -2x ^ 2 + 4x + 12

y '= -4x + 4$
We match zero:
$-4x + 4 = 0
$
We clear the value of x:
$4x = 4

x = 4/4

x = 1$
Then, we substitute the value of x in the equation of the parabola:
$y = -2 (1) ^ 2 + 4 (1) + 12

y = -2 + 4 + 12

y = 14$
Thus, the vertex of the parabola is the ordered pair:
$(x, y) = (1, 14)$
Answer:
The vertice is:
$(x, y) = (1, 14)$

3 0

2 years ago