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morpeh [17]
3 years ago
9

If Trisha has 3 block periods for 90 minutes each day and 4 regular seconds periods for 50 minutes each school day, how many hou

rs of class does she have per day? Round to the nearest tenth of an hour if needed.
Mathematics
1 answer:
alexandr1967 [171]3 years ago
6 0

Answer:

its 270 all you have to do is round it

Step-by-step explanation:

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Round fraction 3 3/2 to nearest whole number
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The answer is: 4 because when you put the mixed number in an improper fraction it is 11/3 and 11 divided by 3= 3.67, so you will need to round it to the nearest whole number which is 4
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Write the inverse function for the function, ƒ(x) = x + 4. Then, find the value of ƒ -1(4). Type your answers in the box.
KATRIN_1 [288]
F(x)^-1=x-4
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8 0
3 years ago
HELP DUE TODAY!!!!!!
larisa [96]

Answer:

x° is 66°  

Step-by-step explanation:

From the given diagram, we have;

∠JIH = 105° Given

∠IDJ = 39° Given

Therefore, we have;

∠JID and ∠JIH are supplementary angles, by the sum of angles on a straight line

∴ ∠JID + ∠JIH = 180° by definition of supplementary angles

∠JID + 105° = 180° by substitution property

∠JID = 180° - 105° = 75° by angle subtraction postulate

∠JID = 75°

∠IDJ + ∠JID + ∠IJD = 180° by the sum of interior angles of a triangle

∠IJD = 180° - (∠IDJ + ∠JID)  = 180° - (39° + 75°) = 66° angle subtraction postulate

∠IJD = 66°

∠x° ≅ ∠IJD, by vertically opposite angles

∴ ∠x° = ∠IJD = 66° by the definition of congruency

∠x° = 66°  

7 0
3 years ago
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If 3 is added to a number and the sum is multiplied by 7,gives 91 as result. Find the number.​
WINSTONCH [101]

Answer:

10

Step-by-step explanation:

10+3 = 13

13 x 7 = 91

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3 years ago
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