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IrinaK [193]
2 years ago
7

Can someone pls help me with this?

Mathematics
2 answers:
weqwewe [10]2 years ago
5 0

Answer:

B

Step-by-step explanation:

Hey There!

The answer is B because that is where there was no movement on the graph meaning that she stopped walking during that time period.

Hatshy [7]2 years ago
4 0

Answer:

Between 1 and 3 seconds

Step-by-step explanation:

There is no change in distance ( change in y ) between 1 and 3, so she wasn't walking during that time

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Need help! Not sure what exactly is going on here!
marishachu [46]

Answer:

idk

Step-by-step explanation:

4 0
3 years ago
How do I get the value of a function?
Len [333]

Answer: f(x)=mx+b

f(x)=x+7

if x=2 then

f(2)=2+7=9

A function is linear if it can be defined by

f(x)=mx+b

f(x) is the value of the function.

m is the slope of the line.

b is the value of the function when x equals zero or the y-coordinate of the point where the line crosses the y-axis in the coordinate plane.

x is the value of the x-coordinate.

5 0
3 years ago
Which of the following function is graphed?
Thepotemich [5.8K]

Answer:

D

Step-by-step explanation:

Try to remember this formula.

y=a|b(x-c)|+d

Where a is the vertical multiplier, b is the horizontal multiplier, c is the x coordinate of the vertex, and d is the y coordinate of the vertex.

Since the vertex on the graph is (2,3), c and d have to be 2 and 3.

Also, there are no vertical/horizontal stretches so the a and b values stay at 1.

The final equation would come out to y=|x-2|+3

4 0
3 years ago
The pH level of tomato juice is 4.2. What is the hydrogen-ion concentration [H+]| for tomato juice?
garri49 [273]

Given:

pH = 4.2 of tomato

Required:

hydrogen-ion concentration [H+]| for tomato juice

Solution:

The formula for the pH relating hydrogen ion concentration is pH = -log[H+] where H+ is the hydrogen ion concentration. so, substitute the value of pH

pH = -log[H+]

4 = - log[H+]

-4 = log[H+]

10^-4 = [H+]

[H+] = 1x10^-4M

4 0
3 years ago
Please please help !!
Softa [21]

Step-by-step explanation:

As the problem said, you need to submit a picture of your own work, but I can help nevertheless.

Blank 1:

\tan 70=\frac{x}{300}\\x=300\tan70 \approx \boxed{824.24}

Blank 2:

\tan 53=\frac{x}{300}\\x=300\tan53 \approx \boxed{398.11}

Blank 3:

300\tan(70)-300\tan(53)\approx\boxed{426.13}

4 0
3 years ago
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