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const2013 [10]
3 years ago
12

Double the difference between 7 and y

Mathematics
2 answers:
pickupchik [31]3 years ago
7 0

Answer:

Difference indicates subtraction: The difference of a number and 9 is (x−9) Twice the difference means 2(x−9) We know that the answer to this is 2 , so as an equation: 2(x−9)=2.

Step-by-step explanation:

:|

Bezzdna [24]3 years ago
5 0
2(7-y) is the answer
You might be interested in
Freddie is at chess practice waiting on his opponent's next move. He notices that the 4-inch-long minute hand is rotating around
aksik [14]
Part 1. Imagine a clock without the hour hand, When clock strikes 3:35, the minute hand is at 7. When it strikes 3:55, the minute hand is in 11. Each gap between two adjacent digits in the clock measures 30°. This is because a revolution divided by 12 is 360/12 = 30. Then, the angle between the minute hands in the picture is equal to 4(30°) = 120°. Know that π radians is equal to 180°. Converting 120° to radians,

120°(π radians/180°) = (2/3)π or 2.09 radians

Part 2. For this part, we determine the arc length intercepted by the angle 120° because this is the total distance travelled by the tip of the minute hand.

S = rθ, where θ is the angle in radians and r is the radius of the circle represented by the minute hand.
S = (4)(2.09)
S = 8.36 inches

Hence, the tip of the minute hand travelled a total distance of 8.36 inches.

4 0
3 years ago
Tickets to a rock concert cost $32.50 each. The school choir bought 54 tickets for the Saturday concert and 33 tickets for the S
Alenkasestr [34]

Answer:

$2827.5

Step-by-step explanation:

Cost of each ticket = $32.50

The school choir bought 54 tickets for the Saturday concert and 33 tickets for the Sunday concert.

Cost for Saturday concert = 32.50 × 54

= $1755

Cost for sunday concert = 32.50 × 33

= $1072.5

Total cost = Cost for Saturday concert + Cost for Sunday concert

= $1755  + $1072.5

= $2827.5

Hence, he will pay $2827.5 in all for the tickets.

7 0
3 years ago
In ΔNOP, the measure of ∠P=90°, the measure of ∠N=26°, and OP = 13 feet. Find the length of PN to the nearest tenth of a foot.
Mamont248 [21]

Answer:

26.7

Step-by-step explanation:

7 0
3 years ago
What is the simpler for of the expression (6x^2-1x^2+1)/(2x+1)
Sedaia [141]
The answer in simplified form is {5x^2+1}{2x+1}
5 0
4 years ago
Use parenthesis to make each number sentence true. <br><br> 124 - 6 x 0 + 15 = 34
Natasha2012 [34]

Answer:

12 - 6 x (0 + 15) = 34

How I got my answer

First, how i got my answer was that I had to solve the equation first, ignoring the answer. I got 0 x 6 = 0, then I did 124 - 0 = 124, then I did 124 - 15 = 109, which clearly isn't 34. I figured that we have to put the parentheses around the zero because if we don't, we are going have to multiply something by zero, which always gets zero. After that, I decided that I should put the parentheses around either the 6, or the 15. I did both, and saw which one was correct. If we put it around the 6, we get, 124 - (6 x 0) + 15 = 124 - 0 - 15 = 124 - 15 = 109, which isn't 34. Then I checked 124 - 6 x (0 + 15) = 124 - 6 x 15 = 124 - 90 = 34, and we just got the answer.

P.S. Sorry if it was confusing, I didn't really know how to explain it

5 0
4 years ago
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