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denis-greek [22]
3 years ago
8

Please help the question is already on the pic and please explain

Mathematics
1 answer:
Aloiza [94]3 years ago
6 0
Okay so if $2 for the first 10 pounds, divide 10 by 2 and you get 5. every time you add a pound its a dollar more. so i think the answer is 45.
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18 is 25% of what number? A) 36
Nezavi [6.7K]

Answer:

c) 72

Step-by-step explanation:

multiply 18 by 4

5 0
3 years ago
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What is the value of the 8 in the number 1.982
Lady bird [3.3K]

The answer is 80, because 8 is in the hundreds place which means 80.


3 0
3 years ago
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MATH URGENT
maks197457 [2]

{x}^{2}   + 4x - 12 = 0 \\  {x}^{2}  + 4x + 4 - 4 - 12  = 0\\   {(x + 2)}^{2}  - 16 = 0 \\ x =   -   +  \sqrt{16}  - 2 \\ x =   + \:  or - 4 - 2 \\ x =  - 6 \:  \: x = 2
- subtract the 12 from both sides so that it becomes the last constant term in the quadratic equation which should now equal 0.
- take the 4x
- half the coefficient of 4 (2)
- square it (4)
- add it to the equation (+4)
- subtract it from the equation (-4)
- factorise the square (x+2)^2 expands to (x^2 + 4x + 2) as {a+b}^2={a^2 + ab + ba + b^2}
- now the equation is in turning point form.
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I really hope that this helped :)
7 0
3 years ago
DeAngelo is training for a half marathon. Today he is running 13.25 miles. He jogs for the first half hour at a rate of 5.5 mile
Nezavi [6.7K]
For this case, the first thing we must do is define a variable.
 We have then:
 p: rate in miles per hour for the last 1.5 hours
 We now write the equation that models the problem.
 We have then:
 (0.5) * (5.5) + 1.5p = 13.25

 Rewriting we have:
 2.75 + 1.5p = 13.25

 From here, we clear the value of p.
 We have then:
 1.5p = 13.25 - 2.75

p = 10.5 / 1.5

p = 7
 Answer:
 
DeAngelo's rate for the last 1.5 hours of his run is 7 miles per hour.
5 0
3 years ago
The graph of which function has a y-intercept of 3? Picture A, B, C, or D?
Bad White [126]

Answer:

A

Step-by-step explanation:

A is the only one that intersects with the y axis at the value 3.

hope this helps :)

4 0
3 years ago
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