Find the common ratio for the following sequence. 27, 9, 3, 1, .
Answers
9/3= 3
3/1 = 3
Answer: 3
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Solve for x: |2x + 12| = 18
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Cory’s average score after 8 tests is 91%. If he gets a 78% on his 9th test what will his new average be?
This is all about matrices, I don't really get them. Any help is great.
Answers
A minimum of 40 people must attend the event for the club to breakeven such that the cost of the speaker to speak is and the selling price of a ticket is
.
Breakeven
Breakeven is a point where the cost price and the selling price of the commodity are the same. In other words, the seller is neither is loss nor in profit.
We will first determine the breakeven point and equate it with the total amount received by selling the tickets to determine the minimum number of tickets to be sold to attain the breakeven.
How to determine the breakeven point?
Let the number of tickets sold be .
According to the question,
The fundraiser will be in profit if,
The fundraiser will be in loss if,
Now, to determine the breakeven point-
Thus, a minimum of 40 people must attend the event for the club to breakeven.
Learn more about breakeven here- brainly.com/question/15172639
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Profit = Price of tickets*number of tickets - initial cost
Let t be the number of tickets
Let p be the profit
p = 7t-280
To Break Even:
In order for the club to break even, p must be equal to 0, and so the equation can be rewritten as:
0 = 7t-280
7t = 280
t = 280/7
t = 40 tickets
Answers
Answer:
18 sq. meters
Step-by-step explanation:
The picture states the explanation.
Prove: PQR congruent to SRQ
Answers
Answer:
ΔPQR is congruent to ΔSRQ b the Side-Angle-Side rule of congruency
Step-by-step explanation:
The two column proof is given as follows;
Statement Reason
1. ≅
Given
2. ∠PQR ≅ ∠SRQ Given
3. ≅
By reflexive property
4. ΔPQR ≅ ΔSRQ By SAS rule of congruency
When two sides and an included angle of one triangle are congruent to the corresponding two side and an included angle of another triangle, both triangles are said to be congruent by the Side-Angle-Side SAS rule of congruency.
B. -8, -4,-2, -1, ...
C.-4, -3, -1, 2, ...
D. -4, 0, -4, 0, ...
Answers
is equal to zero if. a) a, b, c are in arithmetic progression ... progression. d) α is a root of the equation ax2 + bx + c = 0.Missing: 4,
Answer: Choice A) -4, -2, 0, 2
Explanation:
This is because we are adding the same thing to each term to get the next term. That is the common difference d = 2
- second term = (first term)+d = -4+2 = -2
- third term = (second term)+d = -2+2 = 0
- fourth term = (third term)+d = 0+2 = 2
25
B.
27
C.
27.5
D.
30
Answers
1.First you need to put the numbers in order
15,15,20,25,25,30,30,35,45
2.You then need to cross one off each side as you go down (As below)
15,20,25,25,30,35
20,25,25,30
25,30
3.After you take all the numbers off you stop when there are no numbers to take off from both ends
25,30
4.You are then left with these two median numbers so your answer is 25 and 30
I hope this explains it for you if you need any other information then please ask i wouldn't mind helping
Answers
I'm not completely positive but I believe this is how you do it.
7d=4d+21
7d - 4d = 21
3d = 21
3d / 3 = 21 / 3
d = 7