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Elza [17]
3 years ago
11

Which point of concurrency is the center of gravity in a triangle

Mathematics
1 answer:
ipn [44]3 years ago
3 0
Answer: centroid
Reasoning: The centroid is the point of concurrency of the three medians in a triangle.
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A school chorus has 90 sixth-grade students and 75 seventh-grade students. The music director wants to make groups of performers
Vera_Pavlovna [14]

Answer:

a) 15 is the largest number of groups that can be made.

b) There would 6 sixth grade students and 5 seventh grade students in each group.

Step-by-step explanation:

Number of sixth-grade students = 90

Number of seventh-grade students = 75

a) What is the largest number of groups that could be formed?

Since the music director wants to make groups with the same combination of sixth and seventh grade students in each group,

The greatest common factor (GCF) of the number of sixth and seventh grade students would give us the required combination.

Factor of 90 = 2*45 = 2*3*15 = 2*3*3*5

Factor of 75 = 3*25 = 3*5*5

The greatest common factors are 3 and 5

GCF = 3*5 = 15

Therefore, 15 is the largest number of groups that can be made.

b. If that many groups are formed, how many students of each grade level would be in each group?

Sixth grade = 90/15 = 6

Seventh grade = 75/15 = 5

Therefore, there would 6 sixth grade students and 5 seventh grade students in each group.

7 0
3 years ago
C(squared)L(squared) + 100v(squared) = 100c(squared)<br>I have to solve for L
jeyben [28]
First subtract 100v² from both sides to get:

C²L²=100c²-100v²

Then divide both sides by C²:

L²=(100c²-100v²)/C²

Then take the square root of both sides:

L=+ or - the square root of (100c²-100v²)/C²
7 0
2 years ago
Read 2 more answers
8ab -16c - a^2<br><br> A=3<br> B=4<br> C=5
Rainbow [258]
8(3)(4) = 96
96-16(5)= 16
16- 3^2 = 9.
9
5 0
3 years ago
Greatest to least 1/3 1/2 3/4
schepotkina [342]
The answer will be 3/4, 1/2, and 1/3.
The bigger the fraction the smaller it is.
So 3/4 would be first .
The smaller the fraction the bigger it is.
So 1/3 would be last.
So that leaves you with 1/2 so that one would be in the middle of the set.
So the answer would be...:3/4, 1/2, and 1/3.
Hope that helped.
4 0
3 years ago
A zookeeper feeds three bales of hay each to 4 elephants, 6 bales of hay to each of 10 pens of reindeer, 2 bales of hay to each
snow_lady [41]

Answer:

$105

Step-by-step explanation:

3x5=15

6x5= 30

2x5=10

4x5=20

6x5=30

15+30+10+20+30

=$105

5 0
3 years ago
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