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AleksandrR [38]
4 years ago
14

Please help Me answer my last question

Mathematics
2 answers:
sukhopar [10]4 years ago
7 0

<h2><u>PLEASE MARK BRAINLIEST!</u></h2>

Answer:

The answers are...

<u />

<h3>Per (one) calorie burned, Ali runs: 7.5 seconds</h3>

How I calculated:

\frac{1 min}{8cal}=\frac{8cal}{1min}=\frac{1cal}{7.5seconds}

<h3>Slope: 1/8</h3>

How I calculated:

Slope=\frac{rise}{run} . The best way to calculate \frac{rise}{run} is to count up and over until you reach an "intersection". An "intersection" is where 2 lines on a graph meet. An example of an intersection is the plot (80, 10). So, when I found the

- counted up 5 minutes

- counted over 40 minutes

- (40, 5) is its own "intersection"

But the slope isn't complete! 5/40 is not the slope. Why? This is because 5/40 can be simplified. So, when we simplify 5/40, we get 1/8. So, our slope is 1/8.

I hope this helps!

- sincerelynini

ArbitrLikvidat [17]4 years ago
5 0

Answer:

slope is 5/40 and she burns 1.25 calories

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Takumi started studying how the number of branches on his tree changes over time.
Musya8 [376]

Answer:

Grows, Factor of 2

Step-by-step explanation:

The relationship between the elapsed time, t, in years, since Takumi started studying his tree, and the total  number of its branches, N(t), is modeled by the function:

N(t) = 63. 2^t

For illustration, let us take the growth for the first three years after he started studying the number of branches.

When \:t=1, N(1) = 63. 2^1=126\\When \:t=2, N(2) = 63. 2^2=252\\When \:t=3, N(3) = 63. 2^3=504\\504\div 252=252\div 126=2

We notice that for each subsequent year, the number of branches doubles.

Therefore:

Every year, the number of branches  <u>grows</u> by a factor of <u>2.</u>

8 0
4 years ago
10 pecebt in simplest form
aleksandr82 [10.1K]
10%
= 10/100
= 1/10

10% in its simplest form is 1/10~
7 0
4 years ago
Please give an answer not in a link​
Dafna11 [192]

Answer:

5/7

Step-by-step explanation:

hope this helps :)

6 0
3 years ago
Probability is the chance that some event will occur true or false
skad [1K]
Probality is 50% since there is only 2 options correct?
5 0
3 years ago
Read 2 more answers
Solve |3x - 4| = 6<br> a) {-10/3,10/3}<br> b) {-2/3,10/3}<br> c) {-2/3,2/3}
ella [17]
To dea with absolute values you need to apply the definition of absloute value OR get rid of it by squaring both sides of the equality.
Let's try it by using the definition of the absolute value:
\left |  \alpha  \right |  \left \{ {{ \alpha ,  \alpha  \geq 0} \atop {- \alpha ,  \alpha \ \textless \ 0}} \right.

So, having that in mind, we must split the initial equation into two.
\left | 3x-4 \right | \left \{ {{(3x-4), x \geq 4/3} \atop {-(3x-4),x\ \textless \ 4/3}} \right.
Then, we end up with two equations:
3x-4=6 \\ -(3x-4)=6
Both yield the solutions:
x=10/3 \\ x= -2/3

So your answer would be the second option
8 0
3 years ago
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