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ehidna [41]
3 years ago
8

What property is =x+2-2

Mathematics
1 answer:
Alla [95]3 years ago
6 0
You could find the property by using the skill Pemdas
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Find the slope of 4x-y=9
lakkis [162]

4xAnswer: y=9-4x

Step-by-step explanation: Subtract 4X from both sides

7 0
3 years ago
Harry decides he wants to save money. He already has 5 USD in his savings account and decides he will add 3.500USD per week.
enot [183]

Answer:

S = 3.500t

11 weeks, because in 11 weeks he will have saved up 38.500, + the 5 he has saved equals 43.500.

Step-by-step explanation:

4 0
3 years ago
harvard university accepts 6 student for every 100 applications.how many students will be accepted if 850 applicants apply for a
Oksanka [162]
6\100 also equals 3/50

so in turn if 50 goes into 850 exactly 17 times we can then multiply 6 by that same variable

in turn if there were 850 applicants then 102 students would be accepted into Harvard.
6 0
3 years ago
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The sum of two numbers is 20,one number is 4 less than the other.find the number
Marysya12 [62]
X-4+x=20


2x=20+4
2x=24
X=12
Number is 12 because 12-4 is 8 and 8+12 is 20
4 0
3 years ago
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Solve the problem shown above^^
malfutka [58]

Answer:

Step-by-step explanation:

Since the lengths of the shelves are given in cm and the answer is to be expressed in cm, then let's convert the length of the whole board from 2.5 m to cm. Since there are 100 cm in a m, then multiply 2.5 by 100 to get 250 cm. Now let's start with the expressions for the shelves. The lengths of all the shelves are based on the length of the first shelf. You can usually tell which object is the main one because it is mentioned the most number of times. The first shelf is mentioned 3 times so that is the main shelf that the measurements of all the other shelves are based upon. Let's call the first shelf x. The second shelf is 18 cm longer than twice the length of the first so the second shelf is 2x + 18.

The third shelf is 12 cm shorter than the first so the third shelf is x - 12.

The last shelf is 4 cm longer than the first shelf so the last shelf is x + 4. Since he needs to use all 250 cm of the board, we add all the shelves together and set them equal to 250 cm:

x + 2x + 18 + x - 12 + x + 4 = 250 and

5x + 10 = 250 and

5x = 240 so

x = 48. The first shelf is 48 cm long. But we need the length of the second shelf. The expression for the second shelf is 2x + 18, so 2(48) + 18 = 114 cm.

8 0
3 years ago
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