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Akimi4 [234]
3 years ago
8

Study guide for math pls help

Mathematics
1 answer:
gulaghasi [49]3 years ago
6 0

Answer:

i think w= 1, - 3

Step-by-step explanation:

Mark as brainllest if its correct

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Your cell phone plan is by the minute. each minute of use cost $0.10. create a relation that represents the amount spent, A, per
Dmitriy789 [7]

Answer:

Talking 65 minutes, $ 6.50 must be paid.

Step-by-step explanation:

Since your cell phone plan is by the minute, and each minute of use cost $ 0.10, to create a relation that represents the amount spent, A, per minute, m, of call time, and then use the relation to find the amount spent if you talk 65 minutes, the following calculations must be performed:

0.10 x M = A

0.10 x 65 = A

6.50 = A

Thus, talking 65 minutes, $ 6.50 must be paid.

3 0
3 years ago
Calculation: One score is 20. Two score is 40. Three score and 5 is 65.
wariber [46]

Answer:

answer for the question is 87

3 0
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
Given f(x) = -2 and g(x) = 5x - 6, find h(x) = f(x) ⋅ g(x)<br><br> h(x) = _____ x _____ _____
kherson [118]

Answer:

10x+12 is the answer in my calculation.

8 0
3 years ago
Complete each statement with a number that makes the statement true. A._____ &lt; 7°c. B.___&lt;-3°c. C.-0.8°c &lt;_____ &lt; -0
IrinaVladis [17]

A. 6c

B. -5c

C. -0.7c

D. 2c

Just a few you could use.

5 0
3 years ago
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