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HACTEHA [7]
2 years ago
11

Solve the equation 12+x=-3(4-x)

Mathematics
1 answer:
allochka39001 [22]2 years ago
7 0

Answer: 12+x=-3(4-x) = x = 12

Step-by-step explanation:

Not sure if you want the explaintion but ill give you an answer its : x = 12

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Plz help me with both questions pllllz
stich3 [128]
The differences is 7 because I counted. 
5 0
3 years ago
A teacher is buying pencils for her classroom. If a dozen pencils cost $0.97, how many pencils can she purchase with $5?
mixas84 [53]

Answer:

The teacher can purchase 61 pencils with $5

Step-by-step explanation:

This is a simple proportion problem. It can be solved by pure logic reasoning without any formulas

It a dozen pencils cost $0.97, each pencil cost $0.97/12=0.08083

With $5 she will be able to purchase 5/0.08083=61.85 pencils

We must round to the nearest lower integer

The teacher can purchase 61 pencils with $5

6 0
3 years ago
What is 128.439 rounded to the nearest tenth??
irga5000 [103]

Answer:

the answer is 128.4

Step-by-step explanation:

To round up a number to the nearest tenth if the hundredth is more than or 5 you add 1 to the tenth but if it less than 5 you remove the other numbers and leave the number like that which will give you 128.4.

6 0
3 years ago
I’m so confused I don’t know how to subtract fractions. What is 2+2-1 2/3
Alexxandr [17]

Answer:

its 7/3 or you could put 2 1/3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Megan is deciding when she needs to leave for school. If it typically takes her 15 minutes to walk to school, which is a reasona
Andreas93 [3]

Answer:

A) between 7:40 and 7:45

Step-by-step explanation:

Given,

The maximum time taken by her to walk to school = 15 minutes,

Since, the school starts on 8:00 AM,

Also, 15 minutes before 8:00 AM = 7:45 AM,

Thus, the maximum time at which she has to leave home = 7: 45 AM,

Hence, the reasonable estimate of the time she should leave home to get to school by 8:00 is between 7:40 and 7:45.

OPTION A would be correct.

3 0
3 years ago
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