Can u help please. thank you

Mathematics

2 answers:

I am Lyosha [343]2 years ago

4 0

Answer: the answer would be - 8/9

i used a calculator, so its correct.

Step-by-step explanation:

inn [45]2 years ago

3 0

Answer:

negative one half D

Step-by-step explanation:

Multiply - two thirds x six eightths 6x2=12 you can multiply straight acroos because it is multiplycation. Now you do 8x3= 24 half of 12 is 24 so 12 over 24 simplifying is just dividing. but if you look closer their is a negative sign so what ever fraction is biger you go with their sign so your offical awnser is negative one half

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The answer to 4(7m+6f)

Mekhanik [1.2K]

Answer:

28m + 24f

Step-by-step explanation:

4(7m + 6f)

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8 0

2 years ago

A company makes steel rods shaped like cylinders. Each rod has a diameter of 4 centimeters and a height of 60 centimeters. If th

gavmur [86]

Answer:

See below.

Step-by-step explanation:

1) Please check the number of volume of steel. It should be 54,259.2

${cm}^{3}$

. Not 54,259.2 cm. Right?

2) If so,

First

The volume of single rod

$= \pi \times ( { \frac{4}{2} })^{2} \times 60= \pi \times {2}^{2} \times 60= 4\pi \times 60= 4 \times 3.14 \times 60= 753.6 {cm}^{3}$

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5 0

3 years ago

The function f(t) = 20 sin (pi over 5t) + 12 models the temperature of a periodic chemical reaction where t represents time in h

gregori [183]

The answer for the exercise shown above is the second option, which is: <span>Maximum: 32°; minimum: −8°; period: 10 hours.
The explanation is shown below:
</span> You can make a graph of the function given in the problem above: f(t)=20Sin(π/5t)+12.
As you can see in the graph, the maximum point is at 32 over the y-axis, and the minimum is at -8.
The lenght of the repeating pattern of the function (Its period) is 10.