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anastassius [24]
2 years ago
9

I'm in need of help please​

Mathematics
2 answers:
matrenka [14]2 years ago
7 0
15. X= — 11/12
16. X= — 14/15
Blababa [14]2 years ago
5 0

Answer:

1. x+ 2/3= -1/4

x+ 8/12= -3/12

-8/12 -8/12

x= -11/12

2. 1/4x+ 2/5= 1/3

1/4x+ 6/15= 5/15

-6/15 -6/15

1/4x= -1/15

15/60x= -4/60

÷15/60. ÷15/60

x= -4/15

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64 POINTS
Mekhanik [1.2K]
L(t)=9-0.5t   
t=time in hours,
L(t)=length of candle at time t

(A) substitute t=1,2,3,4,5,6 respectively to get
(1,8.5)
(2,8)
(3,7.5)
(4,7)
(5,6.5)
(6,6)

(B) it is a function because none of the x-values duplicate, (nor the y-values).

(C) If the rate changes to 0.45 "/hr, the relation is still linear.
All linear function with finite slope are functions.

7 0
3 years ago
Read 2 more answers
Why is - t - 3 written as 3 - t? Is it wrong if it is left as -t -3?
Eddi Din [679]

-t-3 and 3-t are not the same since t-3 would result in a negative answer since both -t and -3 are negative. While in t-3 t is positive and -3 is negative. it is wrong if its left as t-3 since -t-3=3-t is false.

4 0
3 years ago
Choose the words to finish the sentence. Euler’s Formula states that the of the number of faces and the number of in a polyhedro
AveGali [126]

Answer:

see explanation

Step-by-step explanation:

Euler's formula states that the sum of the number of faces (F) and the number of vertices (V) of a polyhedra is equivalent to two more than the number of its edges (E) , that is

F + V = E + 2

4 0
2 years ago
Simplify 45/150 show work please:)
Jlenok [28]

Answer:

\frac{3}{10}

Step-by-step explanation:

\frac{45}{150}  15 can go into both 45 and 150 so you divide both into that

45/15 is 3

150/15=10

\frac{3}{10}

7 0
3 years ago
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eimsori [14]

Answer:

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7 0
3 years ago
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