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Vikentia [17]
3 years ago
14

A drawing has a scale of 1 : 40

Mathematics
1 answer:
fenix001 [56]3 years ago
3 0

Answer:

do you maybe have a picture to go with this??

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Use the Associative Property of Addition to write an expression equivalent to (n + 2) + 7. Which expression is equivalent to (n
insens350 [35]

Answer:

The correct answer is OB.

Step-by-step explanation:

Let us recall the Associative Property of Addition: given three real numbers a, b and c the following equality holds:

(a+b) + c = a+(b+c).

Let us remark that the Associative Property of Addition tells us that we can perform the sums in any order.  So,

(n+2)+7 = n+(2+7).

In the other options there was used the Commutative Property of Addition.

6 0
3 years ago
I don't understand how to do long division. Can somebody please help explain it to me?
amm1812
Long division mean When Your times the number with the. Mode number
5 0
3 years ago
A math teacher wants to find out the average number of hours his students spend working on their math homework for his class eac
Stolb23 [73]
It would be 30 students from his class roster because not every kid would have his math class in the other options.
4 0
3 years ago
Read 2 more answers
Find the area of the composite figure.
Minchanka [31]

Answer:

132 square feet

Step-by-step explanation:

The formula for the area of a triangle is 1/2 * b * h. B stands for base and h stands for height. 1/2 multiplied by the base, 10, is 5. We then multiply 5 by 12 which is 60. Let's look at the rectangle now. The area of a rectangle is length by width. The length is 12ft and the width is 6ft. 12 * 6 = 72. 72+60=132 square feet.

8 0
2 years ago
What is the answer of 9-2x= -23
Lana71 [14]
X=7
Step 1: add nine to both sides it becomes
-2x=-23+9 —> -2x=-14
Step 2: divide by -2 on both sides it becomes
X=-14/-2 —> x=7
8 0
3 years ago
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