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scZoUnD [109]
2 years ago
15

A/6.5 = 45/100 solve for a

Mathematics
2 answers:
Tanya [424]2 years ago
8 0

Answer:

2.925

Step-by-step explanation:

100/6.5 = 15.384

45/15.384 = 2.925

pav-90 [236]2 years ago
5 0

Answer:

a = 117/40

Step-by-step explanation:

a/6.5 = 45/100

convert the decimal into a fraction

a/ 13/2 = 45/100

reduce the fraction with a 5

a/ 13/2 = 9/20

simplify the complex fraction

2a/13 = 9/20

simplify the equation using cross-multiplication

40x = 117

divide both sides by 40

a = 117/40

answer: a = 117/40

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erma4kov [3.2K]
  • AB=11-4=7

\\ \rm\hookrightarrow \dfrac{BC}{AB}=\dfrac{CE}{ET}

  • ET be x

\\ \rm\hookrightarrow \dfrac{4}{7}=\dfrac{8}{x}

\\ \rm\hookrightarrow 4x=56

\\ \rm\hookrightarrow ET=x=14

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Step-by-step explanation:

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sleet_krkn [62]

Answer:

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Step-by-step explanation:

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ASAP I NEED HELP
alexdok [17]

The vertex of this parabola is at (3,-2). When the x-value is 4, the y-value is 3: (4,3) is a point on the parabola. Let's use the standard equation of a parabola in vertex form:

y-k = a(x-h)^2, where (h,k) is the vertex (here (3,-2)) and (x,y): (4,3) is another point on the parabola. Since (3,-2) is the lowest point of the parabola, and (4,3) is thus higher up, we know that the parabola opens up.

Substituting the given info into the equation y-k = a(x-h)^2, we get:

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y+2 = 5(x-3)^2 The coefficient of the x^2 term is thus 5.

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