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2 years ago

If p is a positive integer, and 4 is the remainder when p-8 is divided by 5, which of the following

Mathematics

1 answer:

malfutka [58]2 years ago

6 0

<h2>sorry I can't help you to solve the equation</h2>

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The sum of 43.9 and 4 groups of a number

Sophie [7]

Answer:

10.975+10.975+10.975+10.975

Step-by-step explanation:

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3 years ago

Subtract these polynomials. (x2 + 5x + 2) – (5x2 – x – 2) =

UNO [17]

Answer: 4(x-x2)

Step-by-step explanation: please mark brailyest

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2 years ago

David has $65 dollars to spend on a ticket to a concert and a shirt. He already spent $32.25 on his ticket and fee. Find an equa

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3 years ago

The population of bacteria in a petri dish doubles every 24 h. The population of the bacteria is initially 500 organisms. How lo

liberstina [14]

Answer:

16.34 hours

Step-by-step explanation:

According to the given information we can see that the case is of exponential growth

Hence, we will use the formula

$A=P(2)^\frac{t}{24}$

Here A =800 is the amount that is needed to reach

P is the initial amount that is 500

We have to find the time it will take to reach 800 that is we need to find t

On substituting the values in the formula we get

$800=500(2)^\frac{t}{24}$

On simplification we get

$\Rightarrow\frac{8}{5}=(2)^\frac{t}{24}$

Taking log on both sides we get

$\Rightarrow\log\frac{8}{5}=\log(2)^\frac{t}{24}$

using $\log\frac{m}{n}=\log m-\log n$

And $\log a^m=m\log a$

$\Rightarrow\log{8}-\log{5}=\frac{t}{24}\log2$

Now substituting values of log 8=0.903, log 5=0.698 and log 2=0.301 we get

$\Rightarrow 0.903-0.698=\frac{t}{24}0.301$

$\Rightarrow 0.205=\frac{t}{24}0.301$

$\Rightarrow \frac{0.205}{0.301}\cdot 24=t$

$\Rightarrow t=16.34$

8 0

3 years ago

Read 2 more answers

Solve the expression (7th grade math):<br><br> -0.8m+3-12.5m+95.36m

Lana71 [14]

Step-by-step explanation:

<u>Combine Like-Terms:</u>

-0.8m + 3 - 12.5m + 95.36m

-13.3m + 3 + 95.36m

82.06m + 3

82.06m + 3 is your simplified expression.

7 0

2 years ago