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lilavasa [31]
2 years ago
9

Quais os numeros naturais entre 893 e 991 que divididos por 23 deixam sempre o maior resto possível

Mathematics
1 answer:
Alla [95]2 years ago
6 0
English please ? I only speak English but I’m sure I can help.
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The wheels on Darlene's car have on 11-inch radius. If the wheels are rotating at a rate of 378 rpm, find the linear speed in mi
elena-s [515]

Answer:

The linear speed in which Darlene is traveling is 24.74 miles per hour.

Step-by-step explanation:

The wheel experiments rolling, which is a combination of translation and rotation. The point where linear speed happens is located at geometrical center of the wheel and instantaneous center of rotation is located at the point of contact between wheel and ground. The linear speed (v), measured in inches per second, is defined by following expression:

v = R\cdot \omega (1)

Where:

R - Radius of the wheel, measured in inches.

\omega - Angular speed, measured in radians per second.

If we know that R = 11\,in and \omega \approx 39.584\,\frac{rad}{s}, then the linear speed, measured in miles per hour, in which Darlene is traveling is:

v = 11\,in\times \frac{1\,mi}{63360\,in} \times 39.584\,\frac{rad}{s}\times \frac{3600\,s}{h}

v \approx 24.74\,\frac{mi}{h}

The linear speed in which Darlene is traveling is 24.74 miles per hour.

8 0
3 years ago
If it took Ben 25 minutes to get to work and 55 minutes to get home, how long did he spend traveling to and from Work
Lynna [10]

Answer:

80 minutes... or an hour and 20 minutes

Step-by-step explanation:

55+25 = 80. an hour is 60 minutes long

7 0
3 years ago
Read 2 more answers
Directions: for questions 1 through 4, find the diagonal length of each solid figure.
Alex787 [66]
\text{The length of the diagonal is }11.2\text{ mm}

Here, we want to find the diagonal of the given solid

To do this, we need the appropriate triangle

Firstly, we need the diagonal of the base

To get this, we use Pythagoras' theorem for the base

The other measures are 6 mm and 8 mm

According ro Pythagoras' ; the square of the hypotenuse equals the sum of the squares of the two other sides

Let us have the diagonal as l

Mathematically;

\begin{gathered} l^2=6^2+8^2 \\ l^2\text{ = 36 + 64} \\ l^2\text{ =100} \\ l\text{ = }\sqrt[]{100} \\ l\text{ = 10 mm} \end{gathered}

Now, to get the diagonal, we use the triangle with height 5 mm and the base being the hypotenuse we calculated above

Thus, we calculate this using the Pytthagoras' theorem as follows;

\begin{gathered} d^2=5^2+10^2 \\ d^2\text{ = 25 + 100} \\ d^2\text{ = 125} \\ d\text{ = }\sqrt[]{125} \\ d\text{ = }11.2\text{ mm} \end{gathered}

7 0
11 months ago
Does anyone know this
Dmitriy789 [7]

Answer: you minus the equations you have to get the equation that you want so it all can add up to that *

Step-by-step explanation:

3 0
3 years ago
The length of a rectangular frame is 15 inches, and the width of the frame is 88 inches. What is the length of a diagonal of thi
qaws [65]

Answer:

about 89.27 inches

Step-by-step explanation:

This is a right triangle question

c^2 = a^2 + b^2

c^2 = 15^2 + 88^2

c^2 = 225 + 7744

c^2 = 7969

Take the square root of both sides

c = 89.2692556259

c ≈ 89.27 inches

5 0
3 years ago
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