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allsm [11]
3 years ago
9

Please help with problem number 28. It's geometry.

Mathematics
1 answer:
Sindrei [870]3 years ago
3 0
It's geometry, help him with a problem number of 28 please.
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Is this correct? (Metric system)
Savatey [412]

You're almost there! These are the only ones you've missed:

160cm are 1600mm. In fact, centimeters (cm) are immediately after millimeters (mm), so there's only a factor of 10 between them. In other words, one centimeter equals 10 millimeters, so you have to multiply by 10 if you want to convert cm to mm

109g are 0.109kg. In fact, one kilogram (kg) equals 1000 grams (g), so one gram equals one thousandth of a kilogram. So, when you convert grams to kilograms, you have to divide by 3, which means shifting the decimal separator three places to the left:

109

10.9 <--- one shift

1.09 <--- two shifts

0.109 <--- three shifts

For the exact same reason, 250 meters are 0.250 km


Everything else is correct, so good job!

4 0
4 years ago
If f(x)=2x-6 and g(x)=x^3 what is (g f)(0)
kow [346]
<h2>Hello!</h2>

The answer is:

(g\circ f)(0)=-216

<h2>Why?</h2>

To composite functions, we need to evaluate functions in another function(s), for example:

Given f(x) and g(x), if we want to calculate f(x) composite g(x), we need to evaluate g(x) into f(x).

So, we are given the functions:

f(x)=2x-6\\g(x)=x^{3}

And we are asked to calculate g(x) composite f(x), and then evaluate "x" to 0, so, calculating we have:

(g\circ f)(x)=g(f(x))\\\\(g\circ f)(x)=(2x-6)^{3}

Now that we have the composite function, we need to evaluate "x" equal to 0, so:

(g\circ f)(0)=(2x-6)^{3}\\\\(g\circ f)(0)=(2*(0)-6)^{3}=(0-6)^{3}=-6*-6*-6=-216

Hence, we have that:

(g\circ f)(0)=-216

Have a nice day!

6 0
4 years ago
An airplane flies 370 miles in 1/2 hour what is its average speed in miles per hour
Sliva [168]

Answer:

740

Step-by-step explanation:

370 miles in 0.5 hours

370/0.5 = 740 miles per hour

6 0
3 years ago
Is Catholic Schools bad?​
timurjin [86]

Answer:

Not really。。

Step-by-step explanation:

this school had remained excellent。students grduating from these school have higher ACT scores

5 0
3 years ago
Determine the relationship between the two triangles and whether or not they can be proven to be congruent. ​
Jlenok [28]

Answer:

only five points uneceptableeeeee

6 0
3 years ago
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