A car increases, then decreases, its speed. Which table could represent the speed of the car?

Mathematics

1 answer:

Sedaia [141]3 years ago

4 0

Answer:

The speed increases (45—>47—>49) then decreases (48—>47) over time.

Step-by-step explanation:

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Which of the below statements is correct and then explain your answer

VMariaS [17]

Answer:

Greater than 3

Step-by-step explanation:

Logarithms explain the relationship between exponents.

Think of them as such, except they got their bases and exponents switched.

In this logarithm:

$log2(10)$

basically says 2 to the power of <em>what</em> gets you to 10.

Now let's experiment: 2^2=4, 2^3=8. 2^4=16.

Wait, we already crossed 10. Now we know that log2(10) must be in between 3 and 4. We don't need to find the exact value, because thats not what the question asked.

It's between 3 and 4, so it has to be greater than 3 but less than 4. Thee is your answer!

Have a nice day! :)

8 0

2 years ago

Melissa put her cat, Herman, on a diet and kept track of his weight. At the end of 4 weeks, she recorded Herman's weight change

Sergio [31]

The cats weight change each week is $-1\frac{1}{8}$ ounces

<h3><u>Solution:</u></h3>

Given that, Melissa put her cat, Herman, on a diet and kept track of his weight.

At the end of 4 weeks, she recorded Herman's weight change as $-4\frac{1}{2}$ ounces.

She noticed that he had lost the same amount of weight each week.

We have to find what is Herman's weight change each week of the diet?

Now, let the weight lost per week be n ounces.

Then, in total he lost 4n ounces in 4 weeks

And we are given that, lost wait is $-4\frac{1}{2}$ ounces

$\begin{array}{l}{4 n=-(4 \frac{1}{2}) \text { ounces }} \\\\ {4 n=-(\frac{4 \times 2+1}{2})} \\\\ {4 n=-(\frac{9}{2})} \\\\ {n=-(\frac{9}{8})=-(\frac{8+1}{8})=-1 \frac{1}{8} \text { ounces }}\end{array}$