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Vesna [10]
3 years ago
11

(-18)+1+13+(-15)= ?​

Mathematics
1 answer:
svetoff [14.1K]3 years ago
4 0

Answer:

−19

Step-by-step explanation:

−18+1+13−15

=−17+13−15

=−4−15

=−19

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Graph the function f( x ) = |x+2| - 3
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Answer:

Find the attached

Step-by-step explanation:

To graph the given function, we would need to obtain pairs of points (x, f(x)). We can let x be;

-5, -4, -3, 3, 4, 5

we simply substitute each value of x in the given function to obtain the value of the function corresponding to the given x value;

when x = -5, f(-5) =  |-5+2| - 3 = 0

when x = -4, f(-4) =  |-4+2| - 3 = -1

when x = -3, f(-3) =  |-3+2| - 3 = -2

when x = 3, f(3) =  |3+2| - 3 = 2

when x = 4, f(4) =  |4+2| - 3 = 3

when x = 5, f(5) =  |5+2| - 3 = 4

The graph of the function is as shown in the attachment below.

8 0
3 years ago
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12. 8+ 6^2_11 + 7 x 2
Rudiy27

Answer:

\frac{8 +  {6}^{2} }{11}  + 7 \times 2 \\  \\  \frac{8 + 6 \times 6}{11}  + 7 \times 2 \\  \\  =  \frac{8 + 36}{11}  + 7 \times 2 \\  \\  =  \frac{44}{11}  + 7 \times 2 \\  \\  = 4 + 14 \\  \\   = 18

6 0
2 years ago
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Many teams?
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Answer:

75 divided by 15 is 7

Step-by-step explanation:

5 0
3 years ago
If a and b represent numbers, which of the following statements represents the commutative property of multiplication?
Gemiola [76]

The commutative property of multiplication states that the numbers can be multiplied in any order.

a+b = b+a : Commutative property of addition

a*b = b*a : Commutative property of multiplication

a+0=a : Additive identity property  

a*1 =a : Multiplicative identity property  

Answer : a*b =b*a


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3 years ago
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Suppose that you work for the child social services agency in your county. Your job is to investigate instances of possible chil
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Answer:

Null hypothesis: ∪ =  No possible child abuse or neglect

Alternative hypothesis: Uₐ = Possible child abuse or neglect

Step-by-step explanation:

Null hypothesis: ∪ =  No possible child abuse or neglect

Alternative hypothesis: Uₐ = Possible child abuse or neglect

A type I error occurs when you reject the null hypothesis when it is true. In this situation, a type I error occurs when you conclude on possible child neglect or abuse and place the child in protective custody

A type II error occurs when you accept the null hypothesis when it is false. In this instance, a type II error occurs when you conclude on no possible child abuse or neglect when there is and fail to remove the child from the home.

In this case, the type II error is the more serious error. Failure to remove the child when there is possible child abuse or neglect will lead to more detrimental effect. Although, the type I error is also serious, it is not so detrimental as the type II error.

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