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damaskus [11]
3 years ago
10

Can some one please help me with is quetion

Mathematics
1 answer:
Galina-37 [17]3 years ago
8 0
128/9223)8”,/2881/38 así
12–8-!2
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1. Solve the system by the linear combination method. Show all work carefully.
ratelena [41]
A - 2b = 2 . . . (1)
a + b = 2(b + 3)
a + b = 2b + 3
a - b = 3 . . . (2)

(1) - (2) => -b = -1 => b = 1

From (2): a - 1 = 3 => a = 3 + 1 = 4
Therefore, a = 4 and b = 1
8 0
3 years ago
Read 2 more answers
The first four terms of an arithmetic sequence are -11,-5,1,7. what is the equation for an
mr_godi [17]

Answer:

y = 6x - 11

Step-by-step explanation:

An arithmetic sequence is a linear function. This means it steadily increases or decreases through addition/subtraction by a constant amount. Here the sequence grows by adding 6 each time.

-11 + 6 = -5

-5 + 6 = 1

1 + 6 = 7

etc....

Since this is linear, its equation has the form y = mx + b where m is the slope and b is the y-intercept. The slope is m = 6 and b = -11.

y = 6x - 11

7 0
3 years ago
Which set of ordered pairs represents a function?
Zigmanuir [339]
A function will not have any repeating x values....all the x values must be different....now it can have repeating y values, just not the x ones.

so ur function is { (3,-1),(7,1),(-6,-1),(9,1),(2,-1)}.....because all the x values are different
6 0
4 years ago
Read 2 more answers
Solve g(x) = 3/4 x + 10, find g(-12)
Naddika [18.5K]

Answer:

Answer: g(-12)=-7

Step-by-step explanation:

g(x)= 3/4x+2

g(-12)= 3/4(-12)+2

g(-12)=-9+2

g(-12)=-7

4 0
3 years ago
9,540,000 in expanded form using exponents to show power of 10
alina1380 [7]
The expanded form of 9,540,000 is:
9,540,000 = 9000,000 + 500000 + 40000 + 000 +00 + 0
we can also write it as :
9,540,000 = 9 x 1000000 + 5 x 100000 + 4 x 10000
and using exponents as power of 10 is:
9,540,000 = 9 x 10⁶ + 5 x 10⁵ + 4 x 10⁴ 

5 0
3 years ago
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