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Phantasy [73]
3 years ago
11

Solve for X Please and thank you

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
6 0

-11<2x-1<7 First add 1 to all 3 sides.

-10<2x<8 Then divide by 2 on all 3 sides

-5<x<4 This is your answer

siniylev [52]3 years ago
5 0

Answer:

Step-by-step explanation:

-5<x<4. The 3rd answer.

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10 POINTS!
aksik [14]

Answer:

C

Step-by-step explanation:

3 0
3 years ago
Mrs.Kennedy is buying pencils for each of 315 students at Hamilton Elementary. The pencils are sold in boxes of tens. How can sh
g100num [7]

Mrs Kennedy is buying pencils for 315 students.

The pencils are sold in boxes of 10.

Therefore the number of pencils she needs to buy should be a multiple of 10, so that she can buy boxes of 10 pencils each.

number of students are 315 but 315 is not a multiple of 10

so we have to round off 315 to the nearest ten, that's 320.

so then she has to buy 320 pencils

number of boxes she needs - 320 / 10 = 32 boxes of pencils

she only needs pencils for 315 students so she will have 5 extra pencils

she will have to buy 32 boxes

4 0
3 years ago
Read 2 more answers
HELP PLEASE
Fantom [35]

Answer:

Option C

Step-by-step explanation:

You forgot to attach the expression that models the cost of the camping trip during the three days. However, by analyzing the units, the answer can be reached.

The total cost has to be in units of $.

There are two types of costs in the problem:

Those that depend on the number of days ($/day )

Those that depend on the number of students and the number of days ($/(student * day))

If there are 3 days of camping and b students, then you have to multiply the costs that depend on the days by the number of days (3), and the costs that depend on the number of students you have to multiply them by 'b'

So, if the costs that must be multiplied by 'b' are only those that depend on the number of students, the coefficient of b must be:

3 days (Cost of training + Cost of food Miscellaneous expenses :).

Therefore the correct answer is option C:

C. It is the total cost of 3 days per student of Mr. Brown, with training, food and miscellaneous expenses.

The expression that represents the total expense should have a formula similar to this:

y = (3 days) *([\frac{20.dollars}{(day * student)} + \frac{30.dollars}{(student * day)} + \frac{50.dollars}{(student * day)}] b + \frac{200}{day}) + 1050.dollars

y = 3 ($ 100b + $ 200) + $ 1050

3 0
2 years ago
Read 2 more answers
Mr. Dion is the band director at school. He asks students
Agata [3.3K]
I think B I’m
Not
Sue tho so don’t take my word on it but I think it’s B
8 0
2 years ago
PLEASE HELP ASAP!!!
arlik [135]

\text{Plug in 3 to y and solve:}\\\\4(3)^3-20+9(3)^2+(25 \div5)\\\\4(27)-20+9(3)^2+(25 \div5)\\\\4(27)-20+9(9)+(25 \div5)\\\\4(27)-20+9(9)+5\\\\108-20+81+5\\\\88+86\\\\174\\\\\boxed{\text{A). 174}}

4 0
3 years ago
Read 2 more answers
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