Answer:
1. 54
2. 224.4
3. 344
4. 352
5. 516
Step-by-step explanation:
I did all of them but the last one.
Answer:
20
Step-by-step explanation:
to find the mean, it means to find the average.
steps:
first, you add up all the numbers.
then you divide that total number by the total number of numbers you have.
and that is ur answer!!
17+19+21+23=80 add up all numbers
80÷4=20 divide total by the amount of numbers
The average/mean is 20.
plz give brainliesttttt
Answer:
∠ABC= 180° -21° -37° (∠ sum of triangle ABC)
∠ABC= 122°
Using sine rule,
AB= 200(sin21°)/sin 122°
AB= 84.5 units (3 s.f.)
BC= 200(sin37°)/ sin122°
BC= 142 units (3 s.f.)
Answer:
D 6
Step-by-step explanation:
1-2=-1 and the absolut value of -1 is 1
2--3=5
5+1=6
<span>Graphs can be used to represent periodic data because you can show rise and fall of something and express situations that may be tough to show in writing.</span><span>
In the case that the periodic data is on the range of the function (the y axis)
You can use functions to represent periodic data:
example y=sin(x)</span>
