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Anton [14]
4 years ago
10

-3 times 3 -2-(1-3 times 1-3)

Mathematics
1 answer:
enyata [817]4 years ago
6 0

Answer:

-3×3-2-(1-3×1-3)=-6

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Use any method to work these out, but do NOT use a calculator.
Artemon [7]

Answer:

A) 216

B) 64.5

Step-by-step explanation:

         40

x     5.40

___________

You can solve it like that, I don't remember what it is called.

4 0
4 years ago
Which statements are true about the reflectional symmetry of a regular heptagon? Check all that apply. It has only 1 line of ref
Sav [38]

The answer is:

1- A line of symmetry will connect a vertex and a midpoint of an opposite side.

2- It has 7-fold symmetry.

The explanation for this answer is shown below:

1- By definition, a line of symmetry is an imaginary line that divides a figure into two equal images or equal halves. If you connect a vertex and a midpoint of an opposite side of an heptagon by drawing a line, you will obtain two equal halves.

2- An heptagon has seven vertices, therefore, based on the information mentioned above, it has 7-fold symmetry.

8 0
3 years ago
Read 2 more answers
If the digits of a three-digit number are reversed in order, then the sum of the new resulting number and the original number co
Makovka662 [10]
First we have to setup system of equations for the given case.
Let x is the original number and y is the reverse three digit number.
Then,
x+y=665  Equation 1
x-y=297 Equation 2
Add both equations to get.
2x=962
Divide both sides by 2.
x=481
This is the original number. And reverse number is : 481+y=962
y=184

Here Hundredth digit is 4, and tenth digit is 8 which is 2 times of the hundredth digit. 

Answer: Number is 481

6 0
3 years ago
Here is a picture help me<br>​
Sonja [21]

Answer:

61

Step-by-step explanation:

add the numbers up and divide them by 7

8 0
3 years ago
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(Bit stuck anyone can help)which transformation will produce similar , but not congruent figures?​
Mars2501 [29]

the first three choices will have changes in size making them similar but not congruent

6 0
4 years ago
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