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AlladinOne [14]
3 years ago
9

What is (6 + 3e)4 - 5e and 3(x - 5) + 7(x + 2) ?

Mathematics
1 answer:
Dafna11 [192]3 years ago
6 0

idk lol use photomath

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If you don’t know the real answer don’t give me a fake one I just need help!
PtichkaEL [24]
Answer:
1. x + 24 = 3x
24 = 3x - x
24 = 2x
12 = x

3x
3 (12)
36

2. 10x - 27 = 7x
10x - 7x = 27
3x = 27
x = 9

7x
7 (9)
63

3. 5x + 1 = 6x - 13
5x - 6x = -13 - 1
-x = -14
x = 14

5x + 1
5 (14) + 1
71

4. 6x + 3 = 4x + 39
6x - 4x = 39 - 3
2x = 36
x = 18

6x + 3
6 (18) + 3
111

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3 years ago
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Read 2 more answers
Write an exponential function in the form y=ab^xy=ab x that goes through points (0, 3)(0,3) and (4,48).
umka21 [38]

Answer:

  y = 3(2^x)

Step-by-step explanation:

Put the given point values in the equation and solve for 'a' and 'b'.

  3 = a(b^0) = a . . . . . for x=0, y=3

The y-intercept has given us the value of 'a'.

__

The other point will tell us 'b'.

  48 = a(b^4) = 3(b^4) . . . . . for x=4, y=48

  16 = b^4 . . . . . . . . . . . . . . . divide by 3

  2^4 = b^4   ⇒   b = 2

The exponential function is ...

  y = 3(2^x)

_____

<em>Additional comment</em>

We can use roots to find b:

  16^(1/4) = (b^4)^(1/4) = b

  2 = b . . . . your calculator can do this, or √(√16) = 16^(1/4) = 2.

3 0
3 years ago
Bill got a bank statement and found that his statement balance did not agree with his checkbook
Ivenika [448]

Answer:

write the balance from the bank statement in his checkbook

Step-by-step explanation:

4 0
3 years ago
Marika is training for a race track. she starts by sprinting 100 yards. she gradually increases her distance, adding 4 yards a d
iren2701 [21]

Answer: the correct answer is D.

Step-by-step explanation:

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3 years ago
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