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2 years ago

Please help meeeeeeeeee

Mathematics

2 answers:

MaRussiya [10]2 years ago

5 0

Answer:

I just took the test and got it right. Answer is (C) 1600 TT cm3

aalyn [17]2 years ago

3 0

C.) 1600 pi cm3

When you do 10^2 you get 100 and you multiply that by the height so 16 and you get 1600.

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Find: (6m5 + 3 – m3 – 4m) – (–m5 + 2m3 – 4m + 6)

tamaranim1 [39]

Your answer would be 7m5-3m3-3. hope that helped

4 0

2 years ago

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The depth of water near a boat dock is collected by a buoy. The data shows that the water level reached 11 feet during high tide

Scorpion4ik [409]

9514 1404 393

Answer:

9.17 ft

Step-by-step explanation:

Put x=12 in the equation and evaluate. (The sine argument is in degrees.)

y = 1.5·sin(25.72(12 +1.5)) +9.5 = 1.5·sin(347.22) +9.5

y = -0.33 +9.5 = 9.17

The water will be 9.17 feet deep at noon.

3 0

2 years ago

What is the midpoint of the segment

Solnce55 [7]

(-3,4)(-6,-1)

The easy way

look at the y's = 4 and -1 the difference is 5 now /2 = 2.5

so the y midpoint is 2.5 from each point or 1.5

look at the x's = -3 and -6 the differebce is 3 now /2 = 1.5

so its 1.5 from each point or -4.5

so midpoint is (-4.5, 1.5) or (-9/2, 3/2) or C

the formula way:

for x

x1+x2/2

-3+-6/2

-9/2 (which is -4.5)

for y

y1+y2/2

4+-1/2

3/2 (which is 1.5)

4 0

2 years ago

Find the area of the circle. Round your answer to the nearest hundredth.

Free_Kalibri [48]

Answer:

If pi is used as pi 113.1

If 3.14 is used as pi 113.04

Step-by-step explanation:

A = pi(r)²

8 0

2 years ago

Use the following information to complete parts I, II, and III. 1 hour=3600 seconds

icang [17]

Answer:

I) There are $8.760\times 10^3$ hours in 1 year.

II) The exact number of hours in one year is $8.76582\times 10^3$ hours.

Step-by-step explanation:

Given : 1 hour=3600 seconds

1 year = 31556952 seconds.

To find :

I) Use scientific notation to estimate the number of hours in one year.

1 day = 24 hours

1 year = 365 days

So, number of hours in one year is given by,

$n=24\times 365$

$n=8760$

In scientific notation,

$8760=8.760\times 10^3$

So, there are $8.760\times 10^3$ hours in 1 year.

II) 1 year = 31556952 seconds.

1 hour = 3600 seconds

In one year the number of hour is given by,

$n=\frac{31556952}{3600}$

$n=8765.82$

In scientific notation,

$8765.82=8.76582\times 10^3$

So, the exact number of hours in one year is $8.76582\times 10^3$ hours.

III) In two or more complete sentences, compare your answers to parts I and II. In your comparison, discuss similarities and differences.

The exact numbers of hours using 365 days is 8760 which is written as $8.760\times 10^3$ in scientific notation but using the given data we get $8.76582\times 10^3$ hours.

Comparing these answers the first one has only 3 significant figures and the second answer has six significant figures.

If we round these we get $8.8\times 10^3$ hours which has two significant numbers.

8 0

3 years ago