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alisha [4.7K]
4 years ago
13

Use the associative property to create equivalent expressions to a + b + (c + d). Which statements are true? Check all that appl

y. The associative property allows us to change the grouping of terms that are added together. When changing the grouping, the order of the terms stays the same; only the parentheses change position. The expression a + (b + c) + d is an equivalent expression. The expression ab(cd) is an equivalent expression. The expression (a+ b) + c + d is an equivalent expression. The expression a + b(c + d) is an equivalent expression.
Mathematics
2 answers:
posledela4 years ago
6 0

Answer:

1,2,3,5

Step-by-step explanation:

vlabodo [156]4 years ago
5 0

Answer: 1, 2, 3, 5

Step-by-step explanation:

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Please answer the following questions I will give out brainliest!!!
riadik2000 [5.3K]
Question 14:
We are given that:
C = πd
To solve for d, we need to isolate the d on one side of the equation. This means that we need to get rid of the π next to the d.
In order to do so, we can simply divide both sides of the equation by π as follows:
C/π = πd/π
d = C/π .........> The first option 

Question (15):
We are given that:
d = rt
To solve for r, we need to isolate the r on one side of the equation. This means that we need to get rid of the t next to the r.
In order to do so, we can simply divide both sides of the equation by t as follows:
d/t = rt/t
r = d/t.........> The third option 

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3 years ago
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What is the distance between two points with coordinates at (12,0) and (0,35
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7 0
4 years ago
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If 10x + w = 41 and w = 1, then 10x + 1 = 41<br><br><br> 20 points
fgiga [73]

Answer:

x = 4

Step-by-step explanation:

Subtract 1 from both sides:

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Divide both sides by 10:

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3 0
3 years ago
Which product is negative? (Negative StartFraction 3 over 8 EndFraction) (Negative StartFraction 5 over 7 EndFraction) (one-four
nasty-shy [4]

Answer:

(D)\left(-\dfrac38\right)\left(-\dfrac57\right)\left(-\dfrac14\right)

Step-by-step explanation:

The given options are:

(A)\left(-\dfrac38\right)\left(-\dfrac57\right)\left(\dfrac14\right)\\(B)\left(\dfrac38\right)\left(-\dfrac57\right)\left(-\dfrac14\right)\\(C)\left(\dfrac38\right)\left(\dfrac57\right)\left(\dfrac14\right)\\(D)\left(-\dfrac38\right)\left(-\dfrac57\right)\left(-\dfrac14\right)

The key to determining which product is negative is to understand the rule of sign multiplication.

Now:

  • The product of even negative terms is positive
  • The product of odd negative terms is negative.
  • The product of positive will always be positive.

In Options A and B, the number of negative signs is even, therefore our result is positive.

In option C, all the terms are positive, therefore our result will be positive.

In Option D, the number of negative signs is odd, therefore our result is negative.

4 0
3 years ago
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steposvetlana [31]
There’s 4 jacks and 4 aces in a deck of cards so the probability would be 8:52 i think
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