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Len [333]
3 years ago
6

1.) Convert to a percent in simplest form: .156

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
5 0
Hope you are having a good day.

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A person is to install five devices each 6 7/8 inches wide with 3 1/2 inches between switches. how much space will be needed to
solong [7]
Refer to the diagram shown below.

w = 6 7/8 in = 6.875 in, the width of each device.
d = 3 1/2 in = 3.50 in, the space between teo devices.

The total space needed is
D = 4(w+d) + w
    = 5w + 4d
    = 5*6875 + 4*3.5 
D  = 48.375 in  or 48 3/8 in

Answer:  48 3/8 inches or 48.375 inches

6 0
4 years ago
Sam and Liam raced each other up and then down the hill. Sam's average speed up the hill was 1 mph, and his average speed down w
Furkat [3]

Answer:

Sam's time was 1 hour and 6.66 minutes (or 1 and 1/9 hours)

Liam's time was was 1 hour

So in conclusion, Liam was faster

Step-by-step explanation:

We got Sam's time by 1/1 because Sam was walking 1 mph and the length to reach the top of the hill is 1 mile. So it would take Sam 1 hour to walk 1 mile. Walking down the hill Sam's speed was 9 mph. So the equation would be 1/9. So you would get 1/9. 1/9 of 60 is 6.66 repeating.

For Liam it is pretty simple. Since he is going up the hill at 2 mph and the length of the bottom of the hill to the top is 1 mile, it would be 30 minutes. Repeat this for the top to the bottom and in total it would be 1 hour.

Hope this helps

3 0
3 years ago
Janine is analyzing spending habits of students in her high school. She finds a mean monthly discretionary expense of $70 spent
aliina [53]

Answer:

Variance = 25

Step-by-step explanation:

<em>Standard deviation is the under root of variance.</em>

<em>Variance is the square of standard deviation.</em>

<u>Data:</u>

Mean = 70

Variance = ?

Standard deviation = √variance = 5

Variance = 5²

Variance = 25.

Therefore, the variance is 25.

3 0
4 years ago
Thomas says the following is a right triangle. Is he correct? Justify your answer.
Nady [450]

Answer:

yes it is a right triangle

Step-by-step explanation:

the angles meet up into a 90 degree angle causing it to form a right triangle.

5 0
4 years ago
4/10 times 2/3 help me please
liraira [26]
4/15
Multiple the numerator by numerator, and denominator by denominator, then simplify
5 0
3 years ago
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