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goblinko [34]
2 years ago
6

Ally rolls an octahedron-shaped (8-sided) die with the number 1, 2, 3, 4, 5, 6, 7, or 8 on each face. What is the probability of

getting either a 1 or 8?
25%
50%
75%
45%
Mathematics
1 answer:
kirza4 [7]2 years ago
6 0

Answer:

25%

Step-by-step explanation:

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AURORKA [14]
By inspection, LMNO is similar to PQRS.
For similar figures, corresponding sides are proportional, therefore

LM/PQ=MN/QR
Substituting values
4/2=6/c
Cross-multiply
4c=6*2=12
c=12/4=3

6 0
3 years ago
Add the polynomials (−5x2+8x)+(2x2−3x+7)<br><br> -3x^2+5x+7<br><br> 7x^2+8x+11<br><br> -7x^2+11x+7
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( - 5 x² + 8 x ) + ( 2 x² - 3 x + 7)
=  - 5 x² + 8 x + 2 x² - 3 x + 7
= - 3  x² + 5 x + 7 
4 0
3 years ago
Ben purchased lunch today at the school cafeteria for $2.75. Before today, Ben owed $9.15 on his lunch account. What is the stat
iris [78.8K]

Answer:

-$11.90

Step-by-step explanation:

Add the two numbers and make it negative because it is owed money

3 0
3 years ago
Read 2 more answers
Can someone please help me ​
Anettt [7]

Answer:

y = -6x + 9/4

Step-by-step explanation:

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b 9/4

7 0
3 years ago
If two triangles have equivalent angle measures then they are congruent
const2013 [10]
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4 0
4 years ago
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