2 years ago

Which equation represents exponential decay?

Mathematics

1 answer:

malfutka [58]2 years ago

5 0

Answer:

Step-by-step explanation:

Decay is getting smaller, and c is the only one where B will reduce the size of something.

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Question 2: You want to donate 30% of the $400 earned at your yard sale to

lilavasa [31]

Answer:

10%= 40$ 30%=120$

Step-by-step explanation:

ok so u earn 400$ at a yard sale. you divide it by 100 400/100=4. ok so then you multiply four by 10=40 and that is 10% multiply it by 30 u get 120 or 30%

sorry for the bad spelling

4 0

3 years ago

If x + 3(2x-5) = 6 then x =<br> O<br> -3<br> 3<br> O 15<br> O Option 4<br> O-14

Ronch [10]

Step-by-step explanation:

$x + 3(2x - 5) = 6 \\ x + 6x - 15 = 6 \\ 7x = 6 + 15 \\ 7x = 21$

$\frac{7x}{7} = \frac{21}{7} \\ x = 3$

Step 1 Use 3 to open the bracket

Step 2: Collect like terms and simplify

Step 3: Divide both sides by 7

7 0

2 years ago

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Describe how to transform the quantity of the fifth root of x to the seventh power, to the third powerinto an expression with a

geniusboy [140]

$(\sqrt[5]{x^{7}})^{3}=(x^{\frac{7}{5}})^{3}=x^{\frac{7\cdot3}{5}}=x^{\frac{21}{5}}$

The root is equivalent to a fractional power with that number as the denominator. Otherwise, the rules of exponents apply.

7 0

2 years ago

The graph below shows the solution set of which inequality?

lakkis [162]

I hope this helps you

6 0

2 years ago

please can someone help me with this question? i will mark brainliest and i would also really appreciate it! :)

Sloan [31]

Answer:

y ≤ 3x- 1

Step-by-step explanation:

The line is solid, so your answer must have a ≤ or ≥ symbol. And the area below the line is shaded so you would also know you answer must have a ≤ or < symbol.

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1 year ago

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