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DochEvi [55]
3 years ago
6

ACT Help?

Mathematics
1 answer:
lora16 [44]3 years ago
4 0
You use pythagorean theorem ( c*2=a*2+b*2). C is the hypotenuse and A and B are legs and they're squared not multiplied by 2. you solve for the other leg and it ends up being 6 so you just use the triangle area formula and you'll get 6×8/2= 24 square units
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Please help quick?! I don’t understand what I’m supposed to do...
patriot [66]
You need to find the length of De by dividing 34 by 3/4 to get the answer you are looking for.
6 0
3 years ago
When you divide the number of permutations of 11 objects taken 3 at a time by​ 3!, you will get the number of combinations of 11
Sloan [31]

Answer:

Yes

Step-by-step explanation:

Permutation :

nPr = n! ÷ (n - r)!

nCr = n! ÷ (n-r)!r!

11 objects taken 3 at a time :

11P3 = 11! ÷ (11 - 3)!

11P3 = 11! / 8!

11P3 = (11 * 10 * 9 )

11P3 = 990

Dividing by 3!

3! = 3*2*1 = 6

= 990 / 6

= 165

For combination :

11C3 = 11! ÷ 8!3!

11C3 = (11 * 10 * 9) / (3 * 2 * 1)

11C3 = 990 / 6

11C3

4 0
3 years ago
Simplify Negative two and one-third minus negative ten and one-sixth
aivan3 [116]
-2 1/3 - (- 10 1/6) = 
- 7/3 + 61/6 = 
-14/6 + 61/6 = 
47/6....or 7 5/6
6 0
4 years ago
The measures of the angles of a triangle are in the ratio of 2 : 5 : 8
andrezito [222]

Answer: The measures of all the three angles are 24 , 60 and 96

Step-by-step explanation:

\\Since the measures are given in ratio form, the first thing is to find the total ratio, which is

\\2 + 5+ 8 = 15

\\Recall that the sum of angles in a triangle is 180 ,so to calculate each angle , we have

\\2/15 x 180 = 24

\\also , 5/ 15 x 180 = 60

\\Finally, 8/15 x 180 = 96

\\The triangle is obtuse , since it is having one angle greater than 90.

\\It can not be acute because of the existence of 96 , for a triangle to be acute , all the angles must be less than 90 , and it can not be right triangle because there is no existence of 90

7 0
3 years ago
Given a verbal description, how do you interpret key features of functions and graphs?
ArbitrLikvidat [17]

Answer:

A linear function can be written in the slope intercept form or a point slope form of a line. Where a table is given for values representing the function, the ordered pairs will represent points on the line.The gradient of the line is a ratio of rise to run from the table values.In slope intercept form, the gradient and initial value of the function are indicated.

For example in a function f(x)=mx+b , m is the gradient of the line and b is the y-intercept value of the function.

To find the slope, m, you divide the difference between y-values by the difference in corresponding x-values of any two points on the line.

A decreasing linear function has a negative slope; if m<0 then f(x)=mx+c is decreasing

An increasing linear function has a positive slope where m>0.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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