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rodikova [14]
3 years ago
11

What is the perimeter of the figure to the nearest tenth of a millimeter?

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
7 0
We have to calculate the perimeter of the figure to the nearest tenth of a millimeter. This figure is made of a rectangle and a half of a circle. The first figure has the perimeter: 3 + 6 + 3 = 12 mm. The second figure has the perimeter: 2 * Pi * r / 2 = Pi * r ; and the radius : r = 6/2 = 3 mm. So Pi * 3 = 3.14 * 3 = 9.42. Fimally : 12 + 9.42 = 21.42 or 21.4 to the nearest tenth. Answer: C. 21.4 millimeters<span>. </span>
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Help me pls!!
tresset_1 [31]

(a) Truck carries 90 gallons of diesel fuel to 660 miles.

So, 1 gallon of diesel fuel to 660/90 = 22/3 miles.

30 gallons of diesel fuel to  = 220 miles.

Hence, if x-axis represents the number of miles and y-axis represents the number of gallons, then, (660, 90) and (220, 30) are points on the graph.

Join (660, 90) and (220, 30), we get the graph of a line.

Note that (0, 0) is also a point on the line.

Equation of the line is .

(b) x represents the number of miles. Therefore, the possible values for x is the closed interval [0, 660].

Hence, the domain of the function is [0, 660].

(c) Origin represents that the truck is not moving and there is no diesel fuel loaded in the truck.

7 0
3 years ago
If a punch bottle says 10% fruit juice, and it is a 150 milliliter bottle, how many milliliters of fruit juice is in the bottle?
sineoko [7]

Answer:

i believe the answer is 15 milliliters

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The brain volumes ?( cm cubed cm3?) of 20 brains have a mean of 1083.9 1083.9 cm cubed cm3 and a standard deviation of 122.2 122
Colt1911 [192]

Answer:

Range: (844.9,1333.7)

A brain volume of 1348.3 cm cubed can be considered significantly high.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 1083.9 cm cubed

Standard Deviation, σ = 122.2 cm cubed

Range rule thumb:

  • This rule state that the the range of data is four times the standard deviation of the data.

\text{Range} = 4\times \sigma = 4\times 122.2 = 488.8

Upper Limit:

\mu + 2\sigma = 1089.3 + 2(122.2) = 1333.7

Lower limit:

\mu - 2\sigma = 1089.3 - 2(122.2) = 844.9

Since, 1348.3 does not lie in the range (844.9,1333.7),  a brain volume of 1348.3 cm cubed can be considered significantly high.

6 0
3 years ago
Solve the following equation when a = 3 and b = 2.<br> 5a^2 − 10b + 9b =
rusak2 [61]
The answer for this problem is 43
4 0
3 years ago
Read 2 more answers
Help! <br> Show your work pls ^^<br> |<br> |<br> |<br> v
padilas [110]

Answer:

A =39 ft^2

Step-by-step explanation:

The area of the triangle is given by

A = 1/2 bh  where b is the base and h is the height

The base is 5+8  and the height is 6

A = 1/2(5+8) *6

A = 1/2 *13*6

A =39 ft^2

4 0
3 years ago
Read 2 more answers
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