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CaHeK987 [17]
2 years ago
10

On a number line what does it mean when it said find the ratio of DH to CE when D=30 H=70 C= 20 and E= 40

Mathematics
1 answer:
puteri [66]2 years ago
7 0

Answer:

Multiply the number and divide by how many numbers were added

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Algebra help please?
Alika [10]

Ok, basically if you want to find when both equations are equal just make them equal to each other. 0.925x^2 - 4x + 20  = -1.125x^2 + 6x + 40.

From there use algebraic steps to find out what x is ( the break - even point ).

0.925x^2 - 4x + 20 = -1.125x^2 + 6x + 40

0.855625x - 4x + 20 = 1.265625x + 6x + 40

-0.41x - 4x + 20 = 6x + 40

-4.41x + 20 = 6x + 40

20 = 10.41x + 40

-20 = 10.41x

-1.92122958694 = x

Rounded to the nearest tenth it's -1.9 = x.

Tell me if I got something wrong :)

3 0
3 years ago
What whole number is equivalent to 16/1 ?
KiRa [710]
I think it is equivalent to 16
hope that helps! :)

7 0
2 years ago
Read 2 more answers
Y=x+2<br> x-y=2<br> What is the solution
Alisiya [41]

Answer:

No solutions.

Step-by-step explanation:

x - y = 2   <Start with an equation

x - (x + 2) = 2   <Plug in the given y value and solve for x

x - x - 2 = 2   <Combine like terms

0 - 2 = 2   <There are no values of x

No solutions.

8 0
3 years ago
The length of a rectangle field is 20 less than its width. The area of the field is 12000 ft ^2. What is the width of the field?
Naddik [55]
L = w - 20

12000 = w × ( w - 20 )
12000 = w^2 - 20w
w^2 - 20w - 12000 = 0
( w - 10 ) ( w - 10 ) = 0

width = 10

i am a mathematics teacher. if anything to ask please pm me
3 0
3 years ago
5 times the sum of 7 and 23
Serga [27]
The answer to this is 150.
4 0
3 years ago
Read 2 more answers
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