3 years ago

ANSWER PLEASE NEED HELP ASAP

Mathematics

1 answer:

Mila [183]3 years ago

6 0

Answer: 43 should be divided into 0.37 to find “x”.

Step-by-step explanation:

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Angelina_Jolie [31]

Answer:

$\boxed{\sf \ \ 3a \ + \ 5b \ \ }$

Step-by-step explanation:

hello

as an apple costs a pence and a banana b pence

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A cylindrical glass is 3 inches in diameter and 6.5 inches tall. How much water can the glass hold when full? Round your answer

Vitek1552 [10]

3 inches diameter mean 1,5 in the radius
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4 years ago

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olga2289 [7]

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3 years ago

Two sides of a triangle have lengths 9 m and 13 m. The angle between them is increasing at a rate of 0.02radians /min. How fast

Olin [163]

Answer:0.175 m/s

Step-by-step explanation:

Given

Two sides of length 9 and 13 m

angle between them is increasing at an angle of 0.02 rad/min

rate of increasing of third at $\theta =\frac{\pi }{3}$

let a=9

b=13

c=unknown side

Now using cos rule of triangle

$cos\theta =\frac{a^2+b^2-c^2}{2ab}$

$cos\theta =\frac{a^2+b^2}{2ab}-\frac{c^2}{2ab}$

Differentiating both sides we get

$-\sin \theta \times \frac{\mathrm{d} \theta }{\mathrm{d} t}=0-2\frac{c}{2ab}\times \frac{\mathrm{d} c}{\mathrm{d} t}$

at $\theta =\frac{\pi }{3}$

c=11.53 m

substituting values we get

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