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IrinaK [193]
2 years ago
5

Simplify the expression below: 2x-3(y – 2x)

Mathematics
2 answers:
aleksley [76]2 years ago
6 0

Answer:

8x + 3y

Step-by-step explanation:

2x-3(y-2x)

2x-3y+6x

8x +3y

ad-work [718]2 years ago
4 0

Answer:

4x-3y

Step-by-step explanation:

=> 2x-3(y-2x)

=> 2x-3y+2x

=> 4x-3y

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What us the length of the longer side?
julsineya [31]
The perimeter:
P=2\cdot(3x+3)+2\cdot2x=6x+6+4x=10x+6\\\\P=146\ units\to10x+6=146\ \ \ |-6\\\\10x=140\ \ \ |:10\\\\x=14\ units
The length of the longer side:
3x+3=3\cdot14+3=42+3=45\ units

3 0
3 years ago
I need help plz help
VashaNatasha [74]

twice as many cats (as) dogs.

c = 2d  [not true]

Three less than twice as many cats (as) dogs.

c = 2d - 3

210 combined,

c + d = 210

Subtracting,

-d = 2d - 3 - 210

-3d = -213

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Answer: 71

7 0
3 years ago
Valerie bought a coat at a winter half-price sale. A sales tax of $6.24 was added to the sale price, bringing the cost of the co
egoroff_w [7]

Answer:

84.24 - 6.24 = p

Step-by-step explanation:

6 0
2 years ago
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SOVA2 [1]
Number four is B. 28.
7 0
3 years ago
a square dance set requires 4 couples 8 dancers with each couple standing on one side of a square. There are 250 people at a squ
sveta [45]

Given:

1 set requires 4 couples 8 dancers.

Total number of people at a square dance = 250.

To find:

The greatest number of sets possible at the dance.

Solution:

We have,

Total people = 250

1 set = 8 people.

\text{Number of possible sets}=\dfrac{\text{Total people}}{\text{People required for 1 set}}

\text{Number of possible sets}=\dfrac{250}{8}

\text{Number of possible sets}=31.25

Number of possible sets cannot be a decimal or fraction value. So, approx. the value to the preceding integer.

\text{Number of possible sets}\approx 31

Therefore, the number of possible sets at the dance is 31.

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2 years ago
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