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raketka [301]
2 years ago
8

5. If I multiply a number by 3 and then subtract 4, the result is the same as twice the number. Find this number. ​

Mathematics
1 answer:
Lina20 [59]2 years ago
5 0

Answer:

4 is the number.

Step-by-step explanation:

Take the missing number as x,

→ (x × 3) - 4 = (x × 2)

→ 3x - 4 = 2x

→ 3x = 2x + 4

→ 3x - 2x = 4

→ [ x = 4 ]

Hence, the number is 4.

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Help if your gonna answer plz explain it
Katyanochek1 [597]

So you wanna find the area of each surface:

For the large square surface in the top you do 12*15=180 and there are two large squares faces so you multiply 180 by 2 which equals 360 then you find the small rectangle faces: 5*15=75 and multiply by 2 Bc there are 2 faces like that so it would be 75*2=150 then for the last faces you do 12*5= 60 *2= 120 at the end I add all of the faces up, 360+150+120=630

6 0
3 years ago
After substituting, what is the first operation performed when evaluating 5+(9x-3)+2 for x = 5?
Anarel [89]

Answer:

Multiplication

Step-by-step explanation:

Follow PEMDAS, so first you would sub in the 5 then work in the parentheses so you would multiply the 5

4 0
3 years ago
Read 2 more answers
6. The 2014 winner of the Boston Marathon runs as many as 120 miles per week. During the last few weeks of his
Nadusha1986 [10]

Answer:

Step-by-step explanation:

4 0
3 years ago
Please help. If you could/want please explain how you got it you don’t have to though no pressure
Stolb23 [73]

Answer:

x = 5.14

Step-by-step explanation:

Both angles are equal so

5x-6 = 11x-42

42-6 = 11x - 5x

36 = 7x

x = 5.14

4 0
3 years ago
Which situation can be modeled by the inequality m > 225? A. The community theater's auditorium can seat at most 225 people.
Georgia [21]

Answer:

<h3>B. The number of people who attended the mathematics conference was more than 225.</h3>

Step-by-step explanation:

Given the inequality m > 225, the inequality means that m is greater than 225. Since the inequality sign does not include equal to sign, then the value of m cannot be less than and equal to 225. The situation that best fits the expression based on the explanation above is "The number of people who attended the mathematics conference was more than 225"

Emphasis should be on 'WAS MORE THAN' according to the statement. The greater sign means that the number of people will always be greater than or more than 225 representing the variable <em>m as the number of people.</em>

6 0
3 years ago
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