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Stells [14]
3 years ago
6

I NEEDDDD HELPPPP ITS URGENTTTT!!!!

Mathematics
1 answer:
mina [271]3 years ago
3 0
Center (-3,-8)
Radius 8
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At school, the maximum number of students that can be in a classroom is 25. If there are 20 students signed up for the chemistry
Fittoniya [83]

Answer:

5

Step-by-step explanation:

4 0
3 years ago
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Nicole has $120. if she saves $20 per week, in how many days will she have $500?
ElenaW [278]
500= 120+20x, where x is weeks

Subtract 120 from both sides
380=20x

Divide both sides by 20
19=x

19 weeks*7 days per week= 133 days

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3 years ago
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Sam says 90 ÷ (–9) = 10. Is he correct? Use the drop–down menus to explain your answer.
SashulF [63]

Answer:

No.

Step-by-step explanation:

Sam is incorrect because if you look at the original problem, you'll see that he has missed the negative sign!

90 / 9 does equal 10, but 90 / -9 equals -10.

The only way to get a positive answer is if both the divisor and dividend are positive or if they are both negative.

Thus, the correct answer should be -10.

3 0
4 years ago
Solve the system using<br> the elimination method.<br> (3x + 4y = 6<br> &lt;<br> (2x + 3y = 3
mr Goodwill [35]

Answer:

3x + 4y = 6 -  -  - (a) \\ 2x + 3y = 3 -  -  - (b) \\ 2 \times (a) - 3  \times (b) :  \\  =  > 0x - y = 3 \\ y =  - 3 \\ 2x  - 9 = 3 \\ 2x = 12 \\ x = 6 \\ { \boxed{x = 6}} \\ { \boxed{y =  - 3}}

6 0
3 years ago
Whats the distance between 7and 4 on a numberline
Alexeev081 [22]
The distance is 3, because 7 - 4 = 3.

4 0
4 years ago
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