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Julli [10]
3 years ago
6

Explain why you should récord a 1 in the tens columna when you regroup in addition problem

Mathematics
1 answer:
ser-zykov [4K]3 years ago
8 0
You should write a 1 because I f what you add is 11, 12, 13, 14, 15, 16, 17, 18, or 19 there is a 1 in the front of the numbers so you must put a 1 but if the number was 76 the number in the front is 7 so you would put 7 on the tens column.

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Find tan(β) in the triangle.
BabaBlast [244]

Answer:

tan β = \frac{8}{15}

Step-by-step explanation:

tan β = \frac{opposite}{adjacent} = \frac{AC}{BC } = \frac{8}{15}

7 0
3 years ago
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allsm [11]
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5 0
3 years ago
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Answer:

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5 0
3 years ago
Marcy needs to make 5 lb of a cashew/raisin mixture for a party. Her local grocery store sells raisins for $4.50/lb and cashews
Aloiza [94]

Answer:

Pounds of raisins = 1.5 lb

Pounds of cashew = 3.5 lb

Step-by-step explanation:

Let

Pounds of raisins = x

Pounds of cashew = y

x + y = 5 (1)

4.50x + 9.50y = 40 (2)

From (1)

x = 5 - y

Substitute x = 5 - y into

4.50x + 9.50y = 40

4.50(5 - y) + 9.50y = 40

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- 4.50y + 9.50y = 40 - 22.50

5y = 17.5

y = 17.5 / 5

= 3.5

y = 3.5lb

Substitute y = 3.5 into

x + y = 5

x + 3.5 = 5

x = 5 - 3.5

= 1.5

x = 1.5lb

Pounds of raisins = 1.5 lb

Pounds of cashew = 3.5 lb

7 0
3 years ago
What is the next to numbers In the pattern 4.15,6.3,8.45
denpristay [2]

Answer:  10.6

6.3-4.15=2.15

8.45-6.3=2.15

so 8.45+2.15=10.6

prove

10.6-8.45=2.15

6 0
3 years ago
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