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Mrac [35]
3 years ago
6

Can I get an explanation on how to do this?

Mathematics
2 answers:
Irina18 [472]3 years ago
6 0
<h3>Answer:</h3>

<u>Surface area</u> = 8 × 6 + 2(6 × 3) + 8 × 3 + 12 × 10 + 2 × 12 + 2(2 × 10) + (12 × 10 - 8 × 6)

  • 48 + 36 + 24 + 120 + 24 + 40 + 72
  • 364cm².

<u>Hence, the surface area of composite figure is 364cm²</u>.

scoray [572]3 years ago
4 0

Answer:

Step-by-step explanation:

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2/4 notes equal to how many eighth notes
natali 33 [55]

Answer:

Two eighth notes equal one quater note in duration.

Step-by-step explanation:

3 0
3 years ago
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About how many cubes were used to make this figure? A. about 40 B. about 70 C. about 100 D. about 140
natta225 [31]

Answer:

Around 100,i.e. 105

Step-by-step explanation:

In the given cube

Length of the cube = 7 unit cells

Breadth of the cube = 3 unit cells

Height of the cube = 5 unit cells

Therefore the number of unit cubes required to make such big cube is nothing but the volume of the big cube = length*breadth*height

⇒Number of cubes used to make that big cube= 7*5*3

                                                                               = 105

Hence, option D (around 100) is the correct answer

4 0
3 years ago
Are these triangles congruent if so which method?
Vaselesa [24]

yes they are congruent with ASA

3 0
3 years ago
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If 70% is £14 what is the full price
Veseljchak [2.6K]
70℅ = 14
100 = X

70X = 1400

X = 1400/70

X = 20

20 Euros is the full price
6 0
3 years ago
3. How many solutions does the system of equations have? 2x=-10y+ 6 and x+5y=3
ozzi

Answer:

<h2>3. Infinitely many</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}ax+by=c\\dx+ey=f\end{array}\right\\\\(1)\\\text{if}\ a=d,\ b=e,\ c=f,\ \text{then the system of equations has infinitely many solutions}\\Example:\\\left\{\begin{array}{ccc}2x-3y=5\\2x-3y=5\end{array}\right\\(2)\\\text{if}\ a=d,\ b=e,\ c\neq f,\ \text{then the system of equations has no solution}\\Example:\\\left\{\begin{array}{ccc}2x-3y=5\\2x-3y=-5\end{array}\right

(3)\\\text{if}\ a\neq d\ \text{or}\ b\neq e,\ \text{then the system of equations has infinitely many solutions}\\Example:\\\left\{\begin{array}{ccc}x-3y=5\\2x-3y=5\end{array}\right

\text{We have:}\\\\\left\{\begin{array}{ccc}2x=-10y+6&\text{add 10y to both sides}\\x+5y=3\end{array}\right\\\left\{\begin{array}{ccc}2x+10y=6&\text{divide both sides by 2}\\x+5y=3\end{array}\right\\\left\{\begin{array}{ccc}x+5y=3\\x+5y=3\end{array}\right

4 0
4 years ago
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