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yan [13]
3 years ago
9

What is the value of the expression when a+10 when a=6

Mathematics
2 answers:
atroni [7]3 years ago
7 0
Substitute.

a+10
6+10
=16.
Artist 52 [7]3 years ago
4 0
Plug in 6 for a (since we are told a=6) 
6+10=16 <---add 
Answer 16 
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Kerry has a new phone plan. It works by charging $20 per month and then $0.10 for each minute over 200 minutes.
REY [17]

Answer:

(40-20)/.10

Step-by-step explanation:

40-20 is 20, 20 divided by .10 is 200, she used 200 extra minutes.

3 0
2 years ago
2 + 4x - 4 = 0 which gives x =
ExtremeBDS [4]

Answer:

x =  \frac{1}{2}

Step-by-step explanation:

2 + 4x - 4 = 0 \\ 2 + 4x = 0 + 4 \\ 2 + 4x = 4 \\ 4x = 4 - 2 \\ 4x = 2 \\  \frac{4x}{4}  =  \frac{2}{4}  \\ x =  \frac{1}{2}

7 0
3 years ago
Read 2 more answers
Suppose y is directly proportional to x. If y= 24 when x=2, what is the value of x when y= 144?
Gala2k [10]

Answer:

12

Step-by-step explanation:

Because y=24 and x=2 you do the following:

144/24=6

Then, 6x2=12 because it is proportional

Or you could do 24/2=12 and 144/12=12

5 0
2 years ago
a freight train must approach a road crossing at 16 km/h. After passing through the intersection, the train speeds up rto 65km/h
grin007 [14]

v₀ = initial velocity of the freight train while it approach a road crossing = 16 km/h = 16 (5/18) m/s = 4.44 m/s

v = final velocity of the freight train after it crosses a road crossing = 65 km/h = 65 x 5/18 m/s = 18.06 m/s

t = time to do so = 10 min = 10 x 60 sec = 600 sec

acceleration is given as

a = (v - v₀ )/t

a = (18.06 - 4.44)/(600)

a = 0.023 m/s²

a = 294

3 0
3 years ago
Last year 500 people attended a concert this year 900 people attended what was the percent increase in attendance from last year
IRISSAK [1]

Answer:

80

Step-by-step explanation:

500 to 900? = 80.

6 0
3 years ago
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