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3 years ago

Help me please!!!!!!!!!!

Mathematics

1 answer:

kompoz [17]3 years ago

6 0

Answer:

do 15.05/7 mutiply that by 3 that is your awnser

Step-by-step explanation:

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74 POINTS!!! Please help me!!

den301095 [7]

$\dfrac{\frac{5\pi}{12}}{2\pi}=\dfrac{5}{24}$

$\text{therefore the arc is equal} \dfrac{5}{24}\ \text{of circumference of a circle}.$

$\text{The formula of a circumference of a circle:}\ C=2\pi r$

$\text{substitute}\\\\\dfrac{5}{24}\cdot2\pi r=4\\\\\dfrac{5}{12}\cdot3.14r=4\\\\\dfrac{15.7}{12}r=4\ \ \ \ |cdot\dfrac{12}{15.7}\\\\r\approx3.1\ in$

$Answer:\ 3.1\ in$

8 0

3 years ago

Read 2 more answers

Find the slope of each line from the graph.

Sunny_sXe [5.5K]

Answer:

a. 1/2

b. 5/3

c. 0

d. undefined

Step-by-step explanation:

7 0

3 years ago

I’m confused on this one

mario62 [17]

Angles B, C, D, and E are inscribed angles and equal 1/2 the intercepted arc.

Angle C (87 degrees) is 1/2 the arc DEB

arc BED = 87 * 2 = 174 degrees

arc DE = 174 - 76 = 98 degrees

arc CB = 360 -60 -98 -76 = 126 degrees

Angle DEB = 1/2 * (60 + 126)

Angle DEB = 1/2 * 186

Angle DEB = 93 degrees

Source 1728.com/circangl.htm

5 0

3 years ago

A sphere has a diameter of 4 x 10^-3 mm. What is the approximate volume of the sphere? Use 3.14 for pi.

kolezko [41]

Answer:

$3.349 \times {10}^{ - 10} \: {mm}^{3}$

Step-by-step explanation:

$d = 4 \times {10}^{ - 3} \: mm \\ r = 2 \times {10}^{ - 3} \: mm \\ V_{sphere} = \frac{4}{3} \pi {r}^{3} \\ = \frac{4}{3} \times 3.14 \times {(2 \times {10}^{ - 3} )}^{3} \\ = \frac{4}{3} \times 3.14 \times 8\times {10}^{ - 9} \\ = \frac{100.48}{3} \times {10}^{ - 9} \\ = 33.4933333\times {10}^{ - 9} \\ = 33.49 \times {10}^{ - 9} \\ = 3.349 \times {10}^{ - 10} \: {mm}^{3}$

8 0

4 years ago

Friends I want the answer for this . Can you give the answer ?

CaHeK987 [17]

The square number is 4 hence The answer is 4

8 0

3 years ago