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mars1129 [50]
3 years ago
7

Bert decided to start exercising. The first day he jogged for 20 minutes. The next day he wanted to jog for 3 minutes more than

the pervious day. He wanted to continue increasing by the same amount like this for every one of the 30 days in April.Write a recursive definition of the time (tn+1) he jogged for on one day compared to the time of the previous day (tn).
A.tn+1=3+tn
B.tn+1=3*tn
C.tn+1=20+3*tn
D.tn+1=20+(3+tn)
Mathematics
2 answers:
Blababa [14]3 years ago
8 0

Answer: A. tn+1=3+tn

nekit [7.7K]3 years ago
3 0

Answer:

A. tn + 1 = 3 + tn

Step-by-step explanation:

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The answer is x equals zero since you plug in 2 for y and then you subtract 2 from both sides and then you divide 3 from 3x and the zero and your answer will be x=0

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Triangle ABC is reflected across the x-axis, and then across the y-axis. Which rotation is equivalent to this composition of tra
larisa [96]

Answer:

<em>C) 180 degree rotation </em>

Step-by-step explanation:

While reflecting a point, with coordinates as (x, y), over x axis the new co-ordinates become (x, -y)

⇒(x, y) → (x, -y)

While reflecting a point, with coordinates as (x, y), over y axis the new co-ordinates become (-x, y)

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So, when these two operations are combined, they the rule followed is,

⇒(x, y) → (-x, -y)

We also know that while rotating a point, with coordinates as (x, y), 180° the new co-ordinates become (-x, -y)

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Therefore, reflecting a point over x axis and then over y axis will yield the same result as rotating a point 180°.

8 0
3 years ago
Read 2 more answers
2(x+y) = 61-2y<br> 4x-4 = 18-3y
Naddik [55]

Answer:

x = 8

y = -7

Step-by-step explanation:

This is a system of equations called simultaneous equations. We shall solve it by elimination method Step 1We shall label the equations (1) and (2)−3y−4x=−11.....(1)3y−5x=−61......(2)Step 2Multiply each term in equation (1) by 1 to give equation (3)1(-3y-4x=-11).....(1)-3y-4x=-11....(3)Step 3Multiply each term in equation 2 by -1 to give equation (4)-1(3y−5x=−61)......(2)-3y+5x=61.....(4)Step 4-3y-4x=-11....(3)-3y+5x=61.....(4)Subtract each term in equation (3) from each term in equation (4)-3y-(-3y)+5x-(-4x)=61-(-11)-3y+3y+5x+4x=61+110+9x=729x=72Step 5Divide both sides of the equation by 9, the coefficient of the unknown variable x to find the value of x 9x/9 = 72/9x = 8Step 6Put in x = 8 into equation (2)3y−5x=−61......(2)3y-5(8)=-613y-40=-61Collect like terms by adding 40 to both sides of the equation 3y-40+40=-61+403y=-21Divide both sides by 3, the coefficient of y to find the value of y 3y/3=-21/3y=-7Therefore, the values of x and y that satisfy the equations are 8 and -7 respectively

4 0
3 years ago
Brian works at the oil factory. He gets a $45 per day. He gets a 10% pay increase. He wirks 24 days in a month. How much more mo
Artist 52 [7]

Answer:

Net increment = $108

Step-by-step explanation:

Current wage rate for Brian = $45 per day

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Total increment in the earning = $1188- $ 1080

= $108

6 0
3 years ago
Math question down below
aivan3 [116]
Okay volume = length × width × height.

So, Volume = 15.5×10.25×12

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4 years ago
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