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Basile [38]
3 years ago
10

omg this has been killing me and idk how to do it , help please? will mark BRAINLIEST TOO (Show work too ) plz :,)

Mathematics
1 answer:
leonid [27]3 years ago
6 0

Figure 1: find the surface area: [(3 x 2 1/4) x 2] for the top and bottom. [(4 1/2 x 2 1/4)x 2] for the left and right squares. [(3 x 4 1/2) x 2] for the front and back. Which should be 20 1/4 + 27 + 13 1/2 = 60 3/4 m. The area is 4 1/2 x 3 x 2 1/4 = 30 3/4 m.

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What is StartFraction 4 Over 6 EndFraction divided by StartFraction 3 Over 12 EndFraction
Stella [2.4K]

Answer:

\frac{8}{3}

Step-by-step explanation:

4/6 ÷ 3/12

2/3 ÷ 1/4

2/3 x 4/1

8/3

7 0
4 years ago
HELP PLEASE!!!!!!!!!!!!!!!
n200080 [17]
<h3>Answer:  Choice C)  -3m^12n^6</h3>

Explanation:

The coefficients -24 and 8 divide to -24/8 = -3. Based on this alone, the answer is between choices B and C.

The m terms divide to \frac{m^5}{m^{-7}} = m^{5-(-7)} = m^{5+7} = m^{12}

Notice how I subtracted the exponents. The general rule is \frac{a^b}{a^{c}} = a^{b-c}

Since we get m^12, this points us to choice C as the final answer

For the sake of completeness, here's what the n terms divide to

\frac{n^4}{n^{-2}} = n^{4-(-2)} = n^{4+2} = n^{6}

5 0
3 years ago
PLEASE I NEED COORDINATES!!! What is the solution of the system? Use the elimination method. 2x+y=206x−5y=12 Enter your answer i
Butoxors [25]

the answer of 2x +y = 20 ;  6x -5y =12

{ explained in image}

8 0
3 years ago
If it take 10minutes to walk 1/2 of an mile how long will it take to walk how long will it take to walk 1 1/2 of an mile
Fantom [35]

Answer:

About 30 min.

Step-by-step explanation:

Since it takes 10 min to walk a half of mile, it will take 20 min to walk a whole mile.

Since we will be walking one and a half miles, it should take about 30 minutes.

Hope this helps.

6 0
3 years ago
In the given right triangle, write all trigonometric ratios ?
Serga [27]

Answer:

see below

Step-by-step explanation:

You will need the hypotenuse   12 ^2 + 9^2 = h^2   h = 15

In a right triangle:

S O H   C A H  T O A

sin s  =   S A H  = Opposite / Hypotenuse =   12/15

cos r = C A H  = Adjacent / Hypotenuse    = 12/ 15

Tan s = T O A =  12 / 9

cos (theta) = cos s  = 9 / 15

Tan r = 9/12

arc cos(theta) = theta = arccos(9/15) = 53.13 degrees

4 0
2 years ago
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