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2 years ago

What is the angle formed by the minute and hour hands of a clock when it is 6:00

Mathematics

1 answer:

nlexa [21]2 years ago

7 0

the angle would be 180

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What is 0.75 as a percentage

iren2701 [21]

0.75 as a percentage is 75%, as you move the decimal over one place.

3 0

2 years ago

Read 2 more answers

What is the volume of a hemisphere with a radius of 2.1 m, rounded to the nearest tenth of a cubic meter?

Art [367]

Answer:

The volume of hemisphere is 19.4 cubic meter.

Step-by-step explanation:

Given:

A hemisphere is with a radius of 2.1 m.

Now, to find the hemisphere volume with radius 2.1 m.

$Radius\ (r) = 2.1 m.$

So, we put formula to get the volume of hemisphere:

$Volume=\frac{2}{3} \pi r^3\ \ \ \ \ (Taking\ the\ value\ of\ \pi =3.14)\\\\Volume=\frac{2}{3} \times 3.14\times 2.1^3\\\\Volume=\frac{2}{3} \times 3.14\times 9.26\\\\Volume=19.384\ cubic\ meter.$

Hence, the rounded to the nearest tenth of a cubic meter is 19.4 cubic meter.

Therefore, the volume of hemisphere is 19.4 cubic meter.

3 0

2 years ago

Given: *ABC ~ *DMV ; DM = ___

jeka57 [31]

Answer:

DM should equal 20 inches

6 0

2 years ago

All zeros of polynomial function 3x^4 +14x^2 -5

Marizza181 [45]

Answer:

Correct answer: x₁ = 1 / √3 = √3 / 3 or x₂ = - 1 / √3 = - √3 / 3

Step-by-step explanation:

Given:

3 x⁴ + 14 x² - 5 = 0 biquadratic equation

this equation is solved by a shift x² = t and get:

3 t² + 14 t - 5 = 0

t₁₂ = (-14 ± √14² - 4 · 3 · 5) / 2 · 3 = (-14 ± √196 + 60) / 6

t₁₂ = (-14 ± √256) / 6 = (-14 ± 16) / 6

t₁ = -5 or t₂ = 1 / 3

the solution t₁ = -5 is not accepted because it cannot be x² = -5

we accepted t₂ = 1 / 3

x² = 1 / 3 ⇒

x₁ = 1 / √3 = √3 / 3 or x₂ = - 1 / √3 = - √3 / 3

God is with you!!!

5 0

2 years ago

Factor the expression: 625t^5-1715t^2 Please show steps!

NeX [460]

Answer:

5 $t^{2}$ (5t-7)(25 $t^{2}$ +35t+49)

Step-by-step explanation:

5 0

2 years ago