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amm1812
2 years ago
11

If the length of minute hand of a clock is 42m . How much distance minute hand will cover in 15 minutes ?

Mathematics
1 answer:
Reil [10]2 years ago
4 0

Answer: We minutes hand moves for 20minutes ,it makes 120° central angle

Length=x/360×2πr

=120/360×2×22/7×42

On simplyfing

Length=88cm

Step-by-step explanation:

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Which equation best represents the relationship between x, the age of the machine in years, and y, the value of the machine in d
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y=-0.5x+8

Step-by-step explanation:

stat, or just rise over run

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6(x-4)=7(x+3) <br> Show your work
sergeinik [125]

Answer:

do distributive property on both, so multiply 6•x and 6•-4. then multiply 7•x and 7•3.

so it'll basically be 6x - 24 = 7x + 21.

then add 24 to both sides so: 6x - 24 + 24 = 7x + 21 + 24. since -24+24=0 it'll be 6x = 7x + 21 + 24.

then add 21 + 24 and that will be 45.

so 6x = 7x + 45

then subtract 7x from both sides 6x - 7x = 7x + 45 - 7x

that'll be -x = 7x + 45 - 7x

combine like terms (7x - 7x) = 0

so -x = 45

and since x can't be negative, do the opposite signs

so instead of -x = 45, make it x = -45

Hope it helped! (sorry that's its very long just wanted to show u the steps just in case)

3 0
3 years ago
the length of this prism is multiplied by a scale factor of 1/2 to create rectangular prism B the volume of rectangular prism B
anastassius [24]
We know that

[volume of rectangular prism]=L*W*h
L= 6 in prism A
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the answer is
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6 0
3 years ago
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dalvyx [7]

Answer:

<h2>x = 2√41 m</h2>

Step-by-step explanation:

Since the triangle is a right angled triangle we can use Pythagoras theorem to find the missing side x

Using Pythagoras theorem we have

a² = b² + c²

where a is the hypotenuse

From the question x is the hypotenuse

So we have

<h2>{x}^{2}  =  {8}^{2}  +  {10}^{2}</h2><h2 /><h2>{x}^{2}  = 64 + 100</h2><h2 /><h2>{x}^{2}  = 164</h2>

Find the square root of both sides

We have the final answer as

<h3>x = 2√41 m</h3>

Hope this helps you

6 0
3 years ago
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