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Ivenika [448]
4 years ago
10

What Is the Property of 16 + 31 =31 + 16?

Mathematics
2 answers:
Nana76 [90]4 years ago
7 0
The first is comunative property the last is zero property the second is associative propertyand the third is comunative property
Volgvan4 years ago
6 0

Answer:

A) What Is the Property of 16 + 31 =31 + 16?

This is the commutative property of the addition, it says that the is the same to ad A plus B than B plus A:

A + B = B + A

B) What Is the Property of (3 x 10) x 8 = 3 x (10 x 8)

This is the associative property of the multiplication, it says that does not matter what multiplication you solve first:

(A x B) x C = A x ( B x C)

C) What Is the Property of 21 x 9 = 9 x 21?

This is the commutative property of the multiplication, this says that the order of the factors does not affect the product:

A*B = B*A

D) What is the Property of 0 +91 = 91?

This is the existence of the zero: This property says that there exists a number X such for every number A we have that:

X + A = A

so X is a neutral term in the addition, and X = 0

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Triangle is 18 in high 36 in across ....how much fabric to make 5
Korolek [52]

Answer:

A=324

Step-by-step explanation:

formual to Solve for area

A=h*b/2 so 18*36/2= a = 324

3 0
4 years ago
What is the common ratio for this geometric sequence 3,12,48,192,... A 16 B. 3 C. 4 D. 9
hram777 [196]

Answer:

4

Step-by-step explanation:

The common ratio is  found by taking the second term and dividing by the first term

12/3 = 4

We can check by taking the third term and dividing by the second

48/12 = 4

The common ratio is 4

3 0
3 years ago
WILL GIVE BRAINLIEST, THANKS, AND HIGH RATING!
fredd [130]
The corresponding angle is A and D and Q and R
4 0
3 years ago
What is the value of E(-1) n (3n+2)?
RoseWind [281]
<h3>Answer:  C) 6</h3>

====================================================

Explanation:

The weird looking E symbol is the greek uppercase letter sigma. It refers to a sum.

It tells us to add up terms in the form (-1)^n*(3n+2) where n is an integer ranging from n = 1 to n = 4.

------------------

If n = 1, then we have

(-1)^n*(3n+2) = (-1)^1*(3*1+2) = -5

Let A = -5 as we'll use it later.

------------------

If n = 2, then

(-1)^n*(3n+2) = (-1)^2*(3*2+2) = 8

Let B = 8 since we'll use this later as well

------------------

If n = 3, then

(-1)^n*(3n+2) = (-1)^3*(3*3+2) = -11

Let C = -11

-------------------

If n = 4, then

(-1)^n*(3n+2) = (-1)^4*(3*4+2) = 14

Let D = 14.

--------------------

We'll add up the values of A,B,C,D to get the final answer

A+B+C+D = -5+8+(-11)+14 = 6

This means that

\displaystyle \sum_{n=1}^{4}(-1)^n(3n+2) = 6

6 0
3 years ago
A man spends 2/5 of his salary on food, 3/10 on his rent and 1/8 on other expenses. What fraction of his salary is still left wi
tino4ka555 [31]

Answer:

\frac{7}{40}

Step-by-step explanation:

1-(\frac{2}{5}+\frac{3}{10}+\frac{1}{8})

1-\frac{33}{40}

\frac{7}{40}=0.175

6 0
4 years ago
Read 2 more answers
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