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Lemur [1.5K]
3 years ago
15

Need help 10 POINTS !!!

Mathematics
2 answers:
kotegsom [21]3 years ago
6 0

Step-by-step explanation:

Use Pythagoras theorem to get line BD

BD = √7.5²+5² = 9cm

No idea for BC

docker41 [41]3 years ago
5 0
You need to use Sin to find the length of BC and the answer is 8.
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Select the correct answer.
andrew11 [14]
Answer: 45

Explanation:
The sine of any acute angle is equal to the cosine of its complement. The cosine of any acute angle is equal to the sine of its complement. of any acute angle equals its cofunction of the angle's complement. Yes, there is a "relationship" regarding the tangent of the two acute angles (A and B) in a right triangle.
5 0
3 years ago
Serious inquiries only please and double check ur work please before posting
Darya [45]
To calculate mean: Just add up all the numbers, then divide by how many numbers there are.345 + 673 + 728 +775 + 822 +827 +839 + 951 = 5960/8 = 745
633 +  673 + 728 +775 + 822 +827 +839 + 951 = 6248/8 = 781781- 745 = 35 It increases by 35To find the Median, place the numbers in value order and find the middle. BUT, with an even amount of numbers things are slightly different.  In that case we find the middle pair of numbers, and then find the value that is half way between them. This is easily done by adding them together and dividing by two. 345 673 728 775 822 827 839 951 The median = 822-775 /2
The median =23.5After the change633 673 728 775 822 827 839 951   The median = 822-775 /2
The median =23.5The median stays the same.
3 0
3 years ago
Solve for the missing variable.
tigry1 [53]
There wasn't much to go off of but based of the information you've gave me the answer would be 7.68=6.28
3 0
3 years ago
Read 2 more answers
Please help this is hard math
Rainbow [258]

Answer:

y=-4x+2

Step-by-step explanation:

  • First we find the slope of the line AB passing through the point (2,0)
  • line AB is perpendicular to the line y=\frac{1}{4}x-3 , this equation is slope intercept for, which is y=mx+b so our m or slope is \frac{1}{4}
  • Since the slope of line AB is perpendicular to m=\frac{1}{4} then we use the equation slope of line1\times slopeofline2=-1 , so what do we multiply \frac{1}{4} by to get -1? -4 right, so that's the slope of line AB with the point (2,0)
  • Now line CD is parallel to line AB, that means it has the same slope as AB, so slope of CD is -4
  • So we make the equation y-y_1=m(x-x_1) so m= -4 and our point is (-1,6)
  • y-(6)=-4(x-(-1)\\y-6=-4x-4\\y=-4x-4+6\\y=-4x+2 thats the equation of line side CD
6 0
3 years ago
Read 2 more answers
Is 3/6 greater than 0/6
tekilochka [14]
Yes 3/6 is greater than 0/6.
0/6 is equal to 0
7 0
4 years ago
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