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blsea [12.9K]
3 years ago
14

Help please! You'll get 40 points :D

Mathematics
2 answers:
uysha [10]3 years ago
7 0

Answer:

<u>The difference:</u>

  • 128.04 - 8.287 = 119.753

<u>The product:</u>

  • 1389 × 6.58 = 9139.62

<u>The sum:</u>

  • 840.89 + 928 = 1768.89

<u>The quotient:</u>

  • 74.4 ÷ 0.8 = 93
bixtya [17]3 years ago
4 0

Answer:

840.89+928= 1768.89

74.4 / 0.8= 93

Step-by-step explanation:

I hope this helps <3

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evablogger [386]

Answer:

Step-by-step explanation:

The growth factor is 1.06.

The year is 2020 - 1978 = 42.

This is exponential growth as the growth factor is > 1.

The equation is V = 40000(1.06)^42

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6 0
2 years ago
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7 0
3 years ago
[Quick Answer Needed] Which of the following shows the extraneous solution to the logarithmic equation?
Nitella [24]

Answer:

C

Step-by-step explanation:

Given the logarithmic equation

\log_4x+\log_4(x-3)=\log_4(-7x+21)

First, notice that

x>0\\ \\x-3>0\Rightarrow x>3\\ \\-7x+21>0\Rightarrow 7x

So, there is no possible solutions, all possible solutions will be extraneous.

Solve the equation:

\log_4x+\log_4(x-3)=\log_4x(x-3),

then

\log_4x(x-3)=\log_4(-7x+21)\\ \\x(x-3)=-7x+21\\ \\x^2-3x+7x-21=0\\ \\x^2+4x-21=0\\ \\D=4^2-4\cdot 1\cdot (-21)=16+84=100\\ \\x_{1,2}=\dfrac{-4\pm 10}{2}=-7,\ 3

Hence, x=3 and x=-7 are extraneous solutions

6 0
2 years ago
What is the value of x? round the answer to the nearest tenth. the diagram is not drawn to scale.
Zepler [3.9K]
It would also be 60°
B
8 0
3 years ago
Read 2 more answers
Are the two expressions equivalent 5(3x+8) 8x+8 when x=10
Brums [2.3K]

Answer:no

Step-by-step explanation:

5(3(10)+8)

5(30+8)

5(38)=190

8(10)+8

80+8

88

88≠190 so no

7 0
3 years ago
Read 2 more answers
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