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avanturin [10]
3 years ago
13

Does anyone know how to solve this The answer is B but can anyone explain why

Mathematics
1 answer:
Lana71 [14]3 years ago
6 0

Answer:

B. (0,-1)

Step-by-step explanation:

see.. i'm not rude.... :/

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Find the value of x if it is a number between 8 and 12 exclusive.​
sergij07 [2.7K]

Given:

x is a number between 8 and 12 exclusive.​

To find:

The value of x.

Solution:

It is given that x is a number between 8 and 12 exclusive.​ It means the value of x lies between 8 and 12 but 8 and 12 are not included.

8

The whole numbers for 8 range are 9, 10, 11.

Therefore, the values of x are 9, 10, 11 and the value of x in the form of inequality is 8.

6 0
3 years ago
A square with an area of 144cm is reduced by a factor of 1/3. How long are the new sides of the square?
denis23 [38]

Answer:

9.797. . .

Step-by-step explanation:

2/3 of 144 is 96

\sqrt{96} = 9.797...

8 0
3 years ago
Triangle ABC is similar to triangle DEF.
Sav [38]

Answer: x=7.7, y=40

3/x = 15/38.5

38.5*3=115.5

115.5/15= 7.7

x=7.7


3/8 = 15/y

15*8=120

120/3= 40

y=40


orrrr you can just easily find the scale factor which is 5, multiply 8 by 5 and get 40. And 38.5/5 which is 7.7

7 0
2 years ago
Solve the equation: 7(x + 8) = 49​
eduard

Answer:

-1

Step-by-step explanation:

1.)Reorder the terms:

7(8 + x) = 49

(8 * 7 + x * 7) = 49

(56 + 7x) = 49

2.)Solving

56 + 7x = 49

3.)Solving for variable 'x'.

4.)Move all terms containing x to the left, all other terms to the right.

5.)Add '-56' to each side of the equation.

56 + -56 + 7x = 49 + -56

6.)Combine like terms: 56 + -56 = 0

0 + 7x = 49 + -56

7x = 49 + -56

7.)Combine like terms: 49 + -56 = -7

7x = -7

8.)Divide each side by '7'.

x = -1

9.)Simplifying

x = -1

Hope this helps

plz like and brainy

4 0
3 years ago
A box 4 cm by 6 cm by 8 cm is painted on all six faces and then cut into cubes with the 2 cm sides. How many of these cubes have
Vera_Pavlovna [14]

Answer:

4 Cubes

Step-by-step explanation:

A box 4 cm by 6 cm by 8 cm is painted on all six faces.

The volume of the box = L × B × W

V = 4 × 6 × 8 = 192 cm³

The box cut into cubes with the 2 cm sides.

Volume of the 2 cm cube = 2 × 2 × 2 = 8 cm³

The number of cubes from the box = \frac{192}{8}

                                                          = 24 cubes

There would be 4 cubes in the middle would be painted only one side.

Periphery cubes of the box are painted on two or more sides.

3 0
3 years ago
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