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Ksju [112]
3 years ago
10

Help me plz thx jkjl;jkl;jkl;jl

Mathematics
1 answer:
Molodets [167]3 years ago
3 0

Answer:

Copper is being reduced

Step-by-step explanation:

Since the charge of the copper ion went down (2+ --> 0), we can say that Copper is being reduced. An atom is reduced when electrons are added.

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What's the equivalent algebraic expression?
densk [106]
-10c+70, just distribute the the -10 to everything in the expression
3 0
3 years ago
George is reading a book. At the end of 3 hours he has read 90 pages, and at the end of 5
jeka94

Answer:

74 pages/hour

Step-by-step explanation:

The average rate of change is the difference in the numbers of pages  divided by the difference in the numbers of hours.

At the end of 3 hours, 90 pages were read.

At he end of 5 hours, 238 pages were read.

Difference in hours: 5 hours - 3 hours = 2 hours.

Difference in pages: 238 pages - 90 pages = 148 pages

The average rate of change is the difference in pages divided by the difference in hours.

average rate of change = (148 pages)/(2 hours) = 74 pages/hour

5 0
3 years ago
What is the common ratio for the geometric sequence?<br><br> 18, 12, 8, 16/3,…
alex41 [277]

Answer:

2/3

Step-by-step explanation:

Given : A geometric sequence : 18, 12, 8, 16/3,…

Solution :

Each term is found by multiplying the previous term by a constant in a Geometric Sequence .

In a Geometric Sequence  common ratio is denoted by r


r = \frac{a_{n} }{a_{n-1} }


for n = 2


r = \frac{a_{2} }{a_{1} }


⇒r = \frac{12 }{18 }


⇒r = \frac{2 }{3 }


for n = 3


r = \frac{a_{3} }{a_{2} }


⇒r = \frac{8 }{12 }


⇒r = \frac{4 }{6 }


⇒r = \frac{2}{3 }


Thus the common ratio 'r' = 2/3

6 0
3 years ago
Read 2 more answers
I need help im doing BODMAS and i dont really understand:
mars1129 [50]

Answer:

.6 x 7.2 + 1.4

Then, 4.32 + 1.4

=5.72

4 0
2 years ago
WILL MARK BRAINIEST, IF U ANSWER **ALL** of these questions! xx
eduard

Answer:

80.029

Step-by-step explanation:

(8)(10)+2+1/100+9(1/1000)

=80+2+1/100+9(1/1000)

=80+201/100+9(1/1000)

=8201/100+9(1/1000)

=8201/100+9/1000

=82019/1000

7 0
3 years ago
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