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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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Does the ordered pair (−5,−5) satisfy the following system of equations?<br> {−3x−3y=125x+5y=−20
FrozenT [24]

Well, let's see. The problem gave you an ordered pair. In other words, you have an 'x' and a 'y' coordinate. All you need to do is put them into the equation.

Step-by-step explanation:

This means that instead of --

-3x - 3y = 125 + 5y = -20

We would have:

-3(-5)-3(-5) = 125(-5) + 5(-5) = -20

From here, you just simplify it into:

30 = -650 = -20

Since the values are not the same, the ANSWER is NO. The ordered pair does not satisfy the following system of equations.

3 0
3 years ago
Here goes another question lol oops
Murrr4er [49]
Student 1 and 3.
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Move the negative into the brackets,
positive becomes negative while two negatives make a positive.
3 0
3 years ago
Read 2 more answers
Write the equation of a line perpendicular to y= -1/3x + 5 and passes through the point (6, 4).
Levart [38]

Answer:

y = 3x - 14

Step-by-step explanation:

Perpendicular lines will have a opposite reciprocal slope, so the slope will be 3.

Plug in the slope and given point into y = mx + b, then solve for b:

y = mx + b

4 = 3(6) + b

4 = 18 + b

-14 = b

Plug in the slope and y intercept into y = mx + b

y = 3x - 14

So, the equation of the line is y = 3x - 14

3 0
2 years ago
A garden table and a bench cost $950 combined. The garden table costs $50 more than the bench. What is the cost of the bench?
snow_lady [41]
950 - 50 = 900
900 / 2 = 450
The bench cost $450 and the garden table cost $500
 Your answer is $450
Hope this helps!

3 0
3 years ago
Read 2 more answers
Ntate runs 12 km in 3 hours. how many hours will it take him to run in 1 km​
docker41 [41]

Answer:

15 minutes or 1/4 hour

Step-by-step explanation:

3 hours = 60*3=180

180/12=15

5 0
2 years ago
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