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bixtya [17]
3 years ago
12

How much does drew charge for 4 cars

Mathematics
1 answer:
ra1l [238]3 years ago
8 0
Um there's no way for me to tell because you don't have the information
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A study done recently 3out of 5 results used brand x how many used brand x out of 2000
Afina-wow [57]
(3/5 )*2000 would give you 1200, which is your answer
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3 years ago
2657ml converted to liter is?
Luda [366]

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Step-by-step explanation: hope this helps

4 0
2 years ago
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Santiago receives an allowance of $7 every week.How much total dose he receve after 4 weeks?
zlopas [31]
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Santiago has a total of $28.
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3 years ago
The graph of a quadratic function passes through the points (-1,0), (-2,0), and (0,2). Write the quadratic function in general f
ddd [48]

Answer:

f(x)=x^2+3x+2

Step-by-step explanation:

step 1

we have the points

(-1,0), (-2,0), and (0,2)

Plot the points

using a graphing tool

see the attached figure

The graph of a quadratic function must be a vertical parabola open upward

The vertex is a minimum

The quadratic function in general form is equal to

f(x)=ax^2+bx+c

Substitute the value of x and the value of y of each given ordered pair in the general equation and solve for a,b and c

(0,2)

For x=0, y=2

substitute

2=a(0)^2+b(0)+c

c=2

(-1,0)

For x=-1, y=0

substitute

0=a(-1)^2+b(-1)+2

0=a-b+2 ----> a=b-2 ----> equation A

(-2,0)

For x=-2, y=0

substitute

0=a(-2)^2+b(-2)+2

0=4a-2b+2 ----> equation B

we have the system

a=b-2 ----> equation A

0=4a-2b+2 ----> equation B

substitute equation A in equation B

0=4(b-2)-2b+2

solve for b

0=4b-8-2b+2

2b=6

b=3

Find the value of a

a=3-2=1

therefore

The quadratic function in general form is equal to

f(x)=x^2+3x+2

see the attached figure N 2 to better understand the problem

7 0
3 years ago
Solve the right triangle
hoa [83]

Answer:

a

is the right one

Step-by-step explanation:

8 0
3 years ago
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