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Elden [556K]
2 years ago
14

Jill has 12 books. She thinks that if she gives away 4 books, she will have 8 books left. Which addition sentence can she use to

check her subtraction?​
Mathematics
1 answer:
laila [671]2 years ago
8 0

Answer:

8+4

Step-by-step explanation:

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Divide 890 by 1,000,000. (Do not round off)
vfiekz [6]

Answer:

0.00089‬

Step-by-step explanation:

6 0
3 years ago
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A triangle has two side lengths of 7 and 12. what value could the length of the third side be?
erik [133]

Answer:

13.9

Step-by-step explanation:

7^2 + 12^2 = c^2

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Write the explicit formula for the geometric sequence.<br><br> 64, 32, 16, 8, ...
Setler [38]

Answer:

aₙ = 1/2 x aₙ₋₁     n≥2

Step-by-step explanation:

aₙ = 1/2 x aₙ₋₁     n≥2  

a₁ = 64

a₂ = 1/2 x 64 = 32

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7 0
3 years ago
The marching band organises 80 students in the six lines how many students are in each line and how many students are left over
Bogdan [553]
80 ÷6=13
13×6=78
80-78=2
4 0
3 years ago
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When looking at attendance data for 2014-2015 school year, a principal graphed number of tardies, x, a student had compared to t
svetlana [45]

Answer:

a. Linear relationship.

Step-by-step explanation:

Negative correlation describes a relationship of two variables in which one variable increases while the other decreases. It shows the the level at which the variables moves in opposite directions to each other.

In the given example, the two variables are inversely proportional. On plotting the variables against each other, it would have a downward slope. The correlation coefficient, r = -0.94, shows that the number of tardies of a student, x, and grade point average (GPA), y, have a linear relationship. As correlation coefficient is a measure of linear relationship, which could be negative, zero, or positive.

4 0
3 years ago
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