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3 years ago

11

4.51 times 3.4 equals

1 answer:

worty [1.4K]3 years ago

3 0

4.51*3.4, just simply mulitply then you have three decimal places so you move your decimal point to the left three times

Answer-

4.51*3.4= 15.334

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Alex purchased a 6-hour calling card. He has used t minutes of access time. Write an algebraic expressions to represent how many

Norma-Jean [14]

6 hours less than t minutes

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3 years ago

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The diameter of a circle is 8 m.find the circumference to the nearest tenth

Diano4ka-milaya [45]

Answer:

50.3

Step-by-step explanation:

The formula for the circumference of a circle is Area = pi * radius squared. So if the diameter is 8, then the radius is half of that, so it's 4. Now we square 4 and we get 16. Then multiply that by pi so we get 16 * pi = 50.26548. The tenth is the first # behind the decimal point, so your answer is 50.3. I hope this helped! :)

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2 years ago

What's the approximate length of an arc with radius 3 miles and central angle of 45

Alenkinab [10]

Length of the arc of a circle is given by,

Length of arc = $\frac{\theta}{360^{\circ}}(2\pi r)$

Here, θ is the central angle subtended by the arc

r = Radius of circle

If the radius of circle = 3 miles

Central angle subtended by the arc = 45°

Therefore, length of the arc = $\frac{45^{\circ}}{360^{\circ}}(2\pi )(3)$

= 2.36 miles

Length of the arc of the given circle will be 2.36 miles.

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brainly.com/question/12566716

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3 years ago

Complete the two-column proof by providing the missing statements or reasons.

gogolik [260]

Answer:

ABCD is equal to <= ad-bc-cd-ba

,><

Step-by-step explanation:

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3 years ago

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If log7=a and log…<br> help me solve ths math problem on picture

tatiyna

$\qquad\qquad\huge\underline{\boxed{\sf Answer☂}}$

Let's solve ~

$\qquad \sf \dashrightarrow \: log_{4}(39.2)$

$\qquad \sf \dashrightarrow \: log_{4}( {2}^{3} \times {7}^{2} \times 10 {}^{ - 1} )$

$\qquad \sf \dashrightarrow \: log_{4}( {2}^{3} ) + log_{4}( {7}^{2} ) + log_{4}(10 {}^{ - 1} )$

$\qquad \sf \dashrightarrow \: log_{ {2}^{2} }( {2}^{3} ) + log_{ {2}^{2} }( {7}^{2} ) + log_{ {2}^{2} }(10 {}^{ - 1} )$

$\qquad \sf \dashrightarrow \: \frac{3}{2} log_{2}(2) + \frac{2}{2} log_{2}(7) - \frac{1}{2} log_{2}(10)$

$\qquad \sf \dashrightarrow \: \frac{3}{2} + a - \frac{b}{2}$

That's the required result ~

also you can take it's LCM and write it as :

$\qquad \sf \dashrightarrow \: \dfrac{2a - b + 3}{2}$

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2 years ago