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love history [14]
3 years ago
8

How to do it Bcause I don’t know

Mathematics
1 answer:
sashaice [31]3 years ago
3 0
Ur welcome just ask for help with your teacher but practice makes perfect

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What does x equal in the expression (8x - 11)
marta [7]

Step-by-step explanation:

8x - 11 = 0

8x =  11

x =  \frac{11}{8}

4 0
3 years ago
Math homework help exponents
Len [333]

Answer + Step-by-step explanation:

\frac{5^{10}}{5^{5}} =5^{10-5} = 5^5

\text{used property :} \  \  \  \frac{a^{m}}{a^{n}} =a^{m-n}

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(4^8)^3 = a^{8 \times 3}=a^{24}

\text{used property :} \  \  \  (a^n)^m = a^{n \times m}

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10^{-4}=\frac{1}{10^{4}} \  \text{not} \  \frac{1}{4^{10}}

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15⁶ × 15³ = 15⁶⁺³ = 15⁹

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<u>Recall</u> : If a ≠0  ⇒ a⁰ = 1

Then

Since 6⁸ ≠ 0  ⇒ (6⁸)⁰ = 1  

6 0
1 year ago
Solution to 3x+2y=24
seropon [69]

Answer:

it’s a multi step equation

Step-by-step explanation:

solve like a multi step

7 0
3 years ago
A colony of bacteria is growing exponentially according to the function below, where t is in hours. About how many hours will it
Ivenika [448]
The function is:
B ( t ) = 4 * e^(0.8 t)
4 * e^(0.8 t) = 400
e^(0.8 t) = 400: 4
e^(0.8 t) = 100   / ln
ln e^(0.8 t) = ln 100  ( and since: ln e = 1 and ln e^x = x * ln e )
0.8 t = 4.6
t = 4.6 : 0.8 = 5.76 ≈ 6
Answer:
D ) 6 hours.
4 0
3 years ago
Factor Completely: 10x + 15
tankabanditka [31]

Answer:

5(2x + 3)

Step-by-step explanation:

10x + 15 \\  \\  = 2 \times 5 \times x + 3 \times 5 \\ ( take \: common \: factors \: out )\\  = 5(2 \times x + 3) \\  \\  = 5(2x + 3)

3 0
2 years ago
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