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ladessa [460]
3 years ago
9

Find the angle between the hands of a clock at 5:15.

Mathematics
1 answer:
sveta [45]3 years ago
7 0
I want you to look at a clock, the 5:15 is on the right side of the clock, if you were to count each second as 3 or 4 degrees, youll have to accept that it is acute and 45* because 5 through 6 is 45* to 70*
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Two garden plots are to have the same area. One is square and one is rectangular. The rectangular plot is 2 meters wide and 8 me
Crank

First, let's look at the formulas for the area of square and area of the rectangle.

A_{square}=a^2

A_{rectangle}=a\cdot b

And what this exercise states is that the areas are the same. So:

A_{square}=A_{rectangle}\Longrightarrow a^2=a\cdot b

Now put in the data.

a^2=2\cdot8

Solve for a:

a=\sqrt{2\cdot8}=\sqrt{16}=\boxed{4}

The side of the square garden plot is 4 meters.

Hope this helps.

r3t40

7 0
3 years ago
Anna draws an angle in her notebook. in how many points do the rays intersect?
oksian1 [2.3K]

Step-by-step explanation:

An angle is a shape, formed by two lines or rays diverging from one common point (the vertex).

Answer: <em>Assuming it's not a 0° angle nor an 180° angle, the rays intersect in C) 1 point.</em>

7 0
3 years ago
Read 2 more answers
a parabolic lamp is facing due east. The bulb (located at the focus) is 8 inches away from the vertex (located at the origin). t
True [87]

9514 1404 393

Answer:

  3 1/8 inches

Step-by-step explanation:

For focus-vertex distance p, the equation of the parabola can be written ...

  y = x^2/(4p)

Here, we have p=8. We want to find the value of y when x=10 (the radius of the dish). That is ...

  y = (10^2)/(4·8) = 100/32 = 3 1/8

The dish is 3 1/8 inches deep.

7 0
3 years ago
Find the volume of the following figure. Round to the nearest tenth.
sp2606 [1]

Answer:

A

Step-by-step explanation:

volume of cylinder= πr²h

r= 12cm

h = 19cm

putting the values in the formula

6 0
3 years ago
In a survey, 200 people were asked if they smoke and whether or not they exercise regularly (more than twice a week). The result
siniylev [52]

Answer/Step-by-step explanation:

a. % of people who smoke = no. of people who smoke ÷ total no. of people surveyed × 100

Total no. of people who smoke is given = 4 + 36 = 40

Total people surveyed = 200

% of people who smoke = \frac{40}{200}*100 = \frac{40}{2}*1 = 20 percent

a. % of people who do not exercise regularly = no. of people who do not exercise regularly ÷ total no. of people surveyed × 100

Total no. of people who do not exercise regularly = 36 + 134 = 170

Total people surveyed = 200

% of people who smoke = \frac{170}{200}*100 = \frac{170}{2}*1 = 85percent

8 0
4 years ago
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