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LiRa [457]
3 years ago
5

On a winter morning, the temperature before sunrise was 11 degrees. The temperature then rose by 1/2 degree each hour for 7 hour

s before dropping by 2 1/4 each hour for 3 hours. What was the temperature, in degrees Fahrenheit, after 10 hours/
Mathematics
1 answer:
Arada [10]3 years ago
7 0

Answer:

7.75 F

Step-by-step explanation:

you will do 7/2 *

convert 2.25 to imporper fraction

multiply the denomintor

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EastWind [94]
I think you add the numbers together, and then divide by three
6 0
3 years ago
Read 2 more answers
Reggie has a rectangular piece of paper that is 12 inches long and 7 inches wide. He is going to cut the paper from corner to co
neonofarm [45]

A property from geometry states that rectangles have congruent opposite sides. Thus, no matter which diagonal Reggie cuts, it still has the same lengths. Since it's a rectangle and we cut from corner to corner, we create a right triangle. See the picture below:

<u>___________12 inches_______</u>

7 |

i |

n |

Because it's a rectangle, it won't matter which corner we cut. But if we fold at the cut lines, we would make an in the rectangle's center.

The cut line and two sides make a right triangle. One leg is 12, one leg is 7, and we need to find the third side. The Pythagorean Theorem - sum of the squares of the legs equals the square of the hypotenuse - is applied.

Let S = the length of the side from corner to corner

S² = 12² + 7²

S² = 144 + 49

S² = 193

S = √193 or -√193

Because we are dealing with lengths, we only want positive numbers. -√193 is not used. Thus S = √193

S = √193 = 13.8924439894

S = 18.92 (rounded to two places)


Thus, Reggie will cut 18.92 inches of paper.

5 0
3 years ago
a trail mix has 4 cups of raisins, 3 cups of dates, 6 cups of peanuts, and two cups of cashews. Which ingredients are in the sam
stiv31 [10]
The ratio of dates to peanuts is the same as cashews to raisins. Simplified, both ratios equal 1/2.
8 0
3 years ago
Answer this please i need help
strojnjashka [21]

Answer:

Slope <em>m</em> = -3

y-intercept (0, 0)

General Formulas and Concepts:

<u>Algebra I</u>

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

y = -3x

<u>Step 2: Break Function</u>

<em>Identify Parts.</em>

Slope <em>m</em> = -3

y-intercept <em>b</em> = 0

5 0
3 years ago
The original price is f an item is $25, but after the discount, you only have to pay $18.50. Whats is the discount ( as a percen
katovenus [111]

24%  discount


18.50/25 = .76 or 76%

100% - 76% = 24%


7 0
3 years ago
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