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Alisiya [41]
3 years ago
12

William bought a new sweater at the store when they were having a 45% off sale.

Mathematics
2 answers:
Lady bird [3.3K]3 years ago
5 0
William payed $8.55 at the discount price
gayaneshka [121]3 years ago
4 0
.45 x 19 is the discount ......then subtract 19 minus the discount
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What are the coordinates of the point that is 1/6 of the way from a(14,-1) b(-4,23)
Nimfa-mama [501]

Answer:

\text{The coordinates of point is }P(a,b)=(\frac{80}{7}, \frac{17}{7})

Step-by-step explanation:

\text{Given the coordinates of point that is }\frac{1}{6}\text{ of the way from a(14, -1), b(-4, 23)}

\text{If a point }P(a, b)\text{ divides the line joining two points }(x_1,y_1)\text{ and }(x_2, y_2)\\ \text{ in the ratio m:n internally, then the coordinates of point P are given by}

P(a,b)=(\frac{mx_2+nx_1}{m+n}, \frac{my_2+ny_1}{m+n})

The two points given are a(14, -1), b(-4, 23) and ratio m:n=1:6

P(a,b)=(\frac{1(-4)+6(14)}{1+6}, \frac{1(23)+6(-1)}{1+6})

P(a,b)=(\frac{80}{7}, \frac{17}{7})

8 0
3 years ago
A building is known to be 192 feet tall. A ball is dropped from the top of the building. In how many seconds will the ball hit t
Archy [21]

Answer:

  • h = 0 when the ball hits the ground
  • about 3.464 seconds

Step-by-step explanation:

The formula gives h = 192 when t=0, so we assume that h represents the height above the ground. The ball will have a height of 0 when it hits the ground.

__

Using that in the equation, we can solve for t.

  0 = 192 -16t^2

  0 = 12 -t^2 . . . . . . divide by 16

  t^2 = 12 . . . . . . . . add t^2

  t = √12 = 2√3 ≈ 3.464 . . . . take the square root

It will take 2√3 seconds, about 3.464 seconds, for the ball to hit the ground.

5 0
3 years ago
3÷5(6×7) - 4<br><br>Plz I need help​
myrzilka [38]

Answer:

- 3 and 69/70

Step-by-step explanation:

3 ÷ 5(6 × 7) - 4

3 ÷ 5(40) - 4

3 ÷ 210 - 4

1/70 ÷ 4

- 3 and 69/70

8 0
3 years ago
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Which of the following terms means “a period of one thousand years”?
juin [17]
A millennium is a period of one thousand years
6 0
3 years ago
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Jennifer wants to take a trip around the world. She plans to deposit $125 at the beginning of each month into an investment with
andre [41]
The formula of the future value of annuity due is
A=p [(1+r/k)^(kn)-1)/(r/k)]×(1+r/k)
A future value of annuity due
P payment 125
R interest rate 0.0375
K compounded monthly 12
N time 8 years
Solve for A
A=125×(((1+0.0375÷12)^(12
×8)−1)÷(0.0375÷12))×(1
+0.0375÷12)
=14,012.75
4 0
3 years ago
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