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klasskru [66]
3 years ago
5

Why is -2 1/2 × 5 2/3

Mathematics
1 answer:
faltersainse [42]3 years ago
8 0
-85/6 or -14.17
first convert into improper fraction then multiply out
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Nathan has 80 stamps in his collection. He adds 1 stamp to it today. Each day he plans to add twice the number of stamps as the
Dafna11 [192]
We start with 80 and we add 1 on the first day, 2 on the 2nd, 4 on the 3rd, etc.. Looking at the numbers being added 1 = 20 2 = 21 4 = 22 8 = 23 16 = 24 . . . We start with 80 and we add 2n to it where n represents the number of days into the iteration with n starting at 0 The function that shows how many stamps we have on any given day is D S = 80 + ∑ 2n Where D is the number of days we are into the iteration n=0 NOTE: This starts at day 0 which would be S = 80 + 20 = 80 + 1 = 81 stamps Example: To find how many stamps we have on D = 4 we would have S = 80+20+21+22+23+24 = 80+1+2+4+ 8+16 = 111 stamps
6 0
3 years ago
Read 2 more answers
Please help me on this one I wrote it out :(
Stels [109]

Answer:

D) 3

Step-by-step explanation:

22 * 2 = 44

To have a remainder 3, the number should be 44 + 3 = 47

47 ÷ 22 , leaves a remainder 3.

47 +22 = 69

69 ÷ 3  leaves a remainder 3.

69 +22 = 91

91 ÷ 3 leaves a remainder 3.

Answer: 47 , 69 , 91

7 0
1 year ago
Read 2 more answers
A circular flower bed in a botanical garden has a radius of 4 ft. What is the area of the flower bed? Use 3.14 for π .
Talja [164]
Radius of flower bed (r) = 4 ft
\pi = 3.14

Area of flower bed (A) = \pir² = 3.14 x 4² = 50.24 ft²
6 0
4 years ago
2 of 6
Marat540 [252]

Answer:

23.28

Step-by-step explanation:

7 0
3 years ago
PLEASE HELP!!
slava [35]

Answer:

99   (cm^2)

Step-by-step explanation:

Perpendicular to the AB segment at points D and C, the graph is divided into two triangles and a rectangle.

The area of the middle rectangle is equal to 8*9=72. The hypotenuse of the right triangle is 10cm, and one of the right sides is 9cm, so the other side is SQRT (10^2-9^2) = SQRT (19).

One side of the left triangle is 9cm long and the other side is 14-8-sqRT (19) = 6-sqRT (19) cm.

Then, add the area of the three parts.

72+9*sqrt(19)/2+9*(6-sqrt(19))/2=99    (cm^2)

4 0
3 years ago
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