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Serjik [45]
3 years ago
9

G(x)=2x-5 find g(g(2x))

Mathematics
2 answers:
konstantin123 [22]3 years ago
7 0

Answer:

8x - 15

Step-by-step explanation:

Evaluate g(2x) then use the value obtained to evaluate g(x) , that is

g(2x) = 2(2x) - 5 = 4x - 5 , then

g(4x - 5) = 2(4x - 5) - 5 = 8x - 10 - 5 = 8x - 15

irina1246 [14]3 years ago
6 0

Answer:

jdndndnd

I don't know sorryy

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Can you help me plz in number 12,13,and 14 find the sum or difference.write your answer in simplest form plz explain good so I u
Maurinko [17]

Answer:

12. 11/18-1/6=4/9

13. 2/7+2/5=24/35

14. 3/4-3/10=9/20

Step-by-step explanation:

12. 11/18-1/6

11/18-1/6=11/18-(1/6)*(3/3)

11/18-1/6=11/18-(1*3)/(6*3)

11/18-1/6=11/18-3/18

11/18-1/6=(11-3)/18

11/18-1/6=8/18

Dividing the numerator and denominator of the fraction on the right side of the equation by 2:

11/18-1/6=(8/2)/(18/2)

11/18-1/6=4/9


13. 2/7+2/5

2/7+2/5=(2/7)*(5/5)+(2/5)*(7/7)

2/7+2/5=(2*5)/(7*5)+(2*7)/(5*7)

2/7+2/5=10/35+14/35

2/7+2/5=(10+14)/35

2/7+2/5=24/35


14. 3/4-3/10

3/4-3/10=(3/4)*(5/5)-(3/10)*(2/2)

3/4-3/10=(3*5)/(4*5)-(3*2)/(10*2)

3/4-3/10=15/20-6/20

3/4-3/10=(15-6)/20

3/4-3/10=9/20

8 0
3 years ago
Read 2 more answers
What do I get if I multiply 2x2 by 3x3?
RUDIKE [14]

Answer:

36

Step-by-step explanation:

(2x2)(3x3)

(4)(9)

36

3 0
3 years ago
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A metallurgist has one alloy containing 21% titanium and another containing 50% titanium. How many pounds of each alloy must he
sweet-ann [11.9K]

x = amount of 21% alloy

y = amount of 50% alloy

The metallurgist wants a combination weighing a total of 44 lb, so

x + y = 44

Each pound of either alloy contributes either 0.21 or 0.5 pound of titanium. The final product needs to be comprised of 37% titanium; weighing at 44 lb, this means it should contain 0.37 * 44 = 16.28 lb. So

0.21x + 0.5y = 16.28

From the first equation,

x + y = 44  ==>  y = 44 - x

Substitute this into the second equation and solve for x:

0.21x + 0.5(44 - x) = 16.28

-0.29x = -5.72  ==>  x = 19.72

Substitute this into the first equation to solve for y:

19.72 + y = 44  ==>  y = 24.28

8 0
3 years ago
How to determine whether two known pairs of points are on the same line.
Vlad [161]

Answer:

Step-by-step explanation:

Sample response: Use the slope formula three times: once for the first pair of points, then for the second pair of points, then for one point from each pair. If all three slopes are the same, then all the points lie on the same line.

5 0
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Which slope and y-intercept correspond with the graph?
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Your answer is D. You have to find where the lines are in the middle so your answer is D.
6 0
3 years ago
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