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leonid [27]
3 years ago
13

Khan academy similarity unit test

Mathematics
1 answer:
shusha [124]3 years ago
6 0
similarity on what
You might be interested in
A 60-kilogram person stands on a compression spring. The spring constant is 2500 Newtons per meter What is the displacement of t
Mademuasel [1]
The answer is 0.024m

60-kilogram divided by 2500 Newtons per meter or 60/2500 is 0.024
6 0
3 years ago
Sapphire and Abe are shelving books at a public library. Sapphire shelves 5 books at a time, where as Abe shelves 6 at a time. I
Crank
The answer is 30 because 5×6=30 and 6×5=30.So the smallest number of books each could have shelved is 30 books...
7 0
3 years ago
Read 2 more answers
Tobin is solving the equation 3(x - 1.25) = 11.25. His work is shown below.
castortr0y [4]

Answer: In the last steps, instead of multiply each side by 3, he has to divide each side by 3.

Step-by-step explanation:

Hi, Tobin makes the mistake in the last steps.

3(x-1.25) = 11.25  

3x-3.75= 11.25  

3x-3.75+3.75= 11.25+3.75  

3x = 15

Until this step is the work ok.

Now, instead of multiply each side by 3, he has to divide each side by 3:

So:

3x /3 = 15/3

x = 5

Feel free to ask for more if needed or if you did not understand something.

6 0
3 years ago
Rewrite the following equation in log form: 2^2 = 4
Finger [1]

We have to write

2^2 =4

In log form

To convert exponential equation to log equation, we have to use the following ruleIf \ a^b = c, \ then \ b=log_{a} c

So we will get

If \ 2^2 =4, \ then \ 2 = log_{2} 4

or

log_{2}4=2

And that's the required log form .

5 0
3 years ago
Read 2 more answers
in a xy-coordinate system line 1 has a slope of -3. If the points (2,16 and (5,t) are on line 1, what is the value of t?
Dimas [21]
We can use the formula y2-y1/x2-x1 to find our answer. So, we have : t-16/5-2 = -3. We simplify that to t-16/3 = -3. We can then multiply both sides by 3 to get t-16 = -9. Then we can add 16 to both sides to get t = 7.
8 0
3 years ago
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