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Karo-lina-s [1.5K]
3 years ago
10

Which of the following has eight faces? A. Icosahedron B. Octahedron C. Dodecahedron D. Tetrahedron

Mathematics
2 answers:
il63 [147K]3 years ago
8 0

its option B octahedron coz u might have heard of the term octagon ... in which octa means 8 so therefore answer its B.. :)

Stels [109]3 years ago
6 0
Octahedron has eight faces.
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There are 278 houses in Hannah's neighborhood. She collected a total of $780 from her neighbors to donate for a local charity. H
ser-zykov [4K]
First, we need to find out how many houses that Hannah received money from. We can do this by dividing the total amount of money she received by the amount she received per house.

780 / 5 = 156

Hannah received money from 156 houses.
To find the amount of houses she did NOT collect money from, we just need to subtract the amount of houses that she DID receive money from away from the total amount of houses in her neighborhood.

278 - 156 = 122

Hannah did not collect money from 122 houses.
Hope this helped! =)
6 0
3 years ago
Read 2 more answers
420/98 rounded to the nearest integer?
trapecia [35]

Answer:

4

Step-by-step explanation:

420 divided by 98 is 4.28571428571, therefore rounding would make the answer 4!

6 0
2 years ago
Write an explicit formula for an, the nth term of the sequence 27, 21, 15, ….
liq [111]

Answer:

nth=a+(n+1)d

Step-by-step explanation:

8 0
2 years ago
(2x+2y=10)+(-x+y=1)
ruslelena [56]
\bf \begin{cases}
2x+2y=10\\
-x+y=1
\end{cases}\\\\
-------------------------------\\\\
-x+y=1\implies y=1+x\impliedby \textit{let's plug that in the first equation}
\\\\\\
2x+2(\stackrel{y}{1+x})=10\implies 2x+2+2x=10\implies 4x=8
\\\\\\
x=\cfrac{8}{4}\implies \boxed{x=2}\impliedby \textit{let's plug that in the second one}
\\\\\\
-(\stackrel{x}{2})+y=1\implies \boxed{y=3}
7 0
3 years ago
Solve x <br><br> 4x-5 /5 = 3
cluponka [151]

Answer:

x = 1

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

4x−

5

5

=3

4x+−1=3

4x−1=3

Step 2: Add 1 to both sides.

4x−1+1=3+1

4x=4

Step 3: Divide both sides by 4.

4x

4

=

4

4

x=1

6 0
3 years ago
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