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allsm [11]
3 years ago
13

Shopping and Discounts

Mathematics
1 answer:
anastassius [24]3 years ago
7 0

Answer:

the sale price will be $1049.30 and you will save $449.7

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How do you multiply a whole number with a mixed number
marta [7]
You would change the whole number to a fraction by putting it over 1 and make the mixed number an improper fraction by multiplying the whole number part of the mixed number by the denominator and then and the numerator
6 0
3 years ago
For the vertical motion model h(t) = -16t2 + 54t + 3, identify the maximum height reached by an object and the amount of time th
soldi70 [24.7K]

Answer:

  • height: 48.6 ft
  • time in air: 3.4 s

Step-by-step explanation:

A graphing calculator provides a nice answer for these questions. It shows the maximum height is 48.6 feet, and the time in air is 3.4 seconds.

__

The equation can be rewritten to vertex form to find the maximum height.

  h(t) = -16(t^2 -54/16t) +3 . . . . . group t-terms

  h(t) = -16(t^2 -54/16t +(27/16)^2) + 3 + 27^2/16

  h(t) = -16(t -27/16)^2 +48 9/16

The maximum height is 48 9/16 feet, about 48.6 feet.

__

The air time is found at the value of t that makes h(t) = 0.

  0 = -16(t -27/16)^2 +48 9/16

  (-48 9/16)/(-16) = (t -27/16)^2 . . . . . . . subtract 48 9/16 and divide by -16

  (√777 +27)/16 = t ≈ 3.4297 . . . . . square root and add 27/16

The time in air is about 3.4 seconds.

8 0
3 years ago
An order is written for 1200 adult weight 164 pounds and is 5/9 all with a BSA of 1.9 m to the physician ordered o n c o v i n 2
Kaylis [27]

Answer:

The volume per dose that the patient should receive is 3.8 ml

Step-by-step explanation:

The physician ordered oncovin 2 mg/m² for chemotherapy treatment of a malignant tumor.

The adult's BSA (Body surface area) = 1.9m²

Hence, the amount of oncovin needed based on his body weight is:

2mg/1 m² = x mg/1.9m²

Cross Multiply

x mg = 2mg × 1.9

x = 3.8mg

We are told , oncovin is supplied:1 mg/ml

Hence:

This means

1 mg = 1 ml

3.8 mg = x ml

Cross Multiply

x ml = 3.8 ml

The volume per dose that the patient should receive is 3.8 ml

5 0
3 years ago
Explain please thanks
Paladinen [302]
All the angles inside a triangle add up to 180°.

(2x + 15) + (5x + 5) + x = 180
8x + 20 = 180
8x = 180 - 20
8x = 160
x = 160/8
x = 20
the question is asking what angle B is,
B = 2(20) + 15
B = 40 + 15
B = 55°
7 0
3 years ago
The ratio of boys to girls in Mr.Greens class is 4 to 5. There are 8 boys in the class. How many girls in the class
Alex777 [14]

Answer:

10

Step-by-step explanation:

 B/G = 4/5

 8/G = 4/5     Multiply each side by 5

40/G = 4        Multiply each side by G

  40 =  4G      Divide each side by 4

    G =  10

There are 10 girls in the class.

Check:

8/10 = 4/5

4/5  = 4/5

3 0
3 years ago
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