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Fed [463]
3 years ago
9

Is 8:7 equal to 15:16

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
6 0
Absolutely not because
if you see as fraction
8/7 and 15/16 is not equal at all
if it had to be equal if should've been 16/14
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A quadratic equation can be written in vertex form or in standard form. Sometimes one form is more beneficial than the other. Id
Ilia_Sergeevich [38]
Below are suppose the be the questions:

a. factor the equation 
<span>b. graph the parabola </span>
<span>c. identify the vertex minimum or maximum of the parabola </span>
<span>d. solve the equation using the quadratic formula
</span>
below are the answers:

Vertex form is most helpful for all of these tasks. 
<span>Let </span>
<span>.. f(x) = a(x -h) +k ... the function written in vertex form. </span>

<span>a) Factor: </span>
<span>.. (x -h +√(-k/a)) * (x -h -√(-k/a)) </span>

<span>b) Graph: </span>
<span>.. It is a graph of y=x^2 with the vertex translated to (h, k) and vertically stretched by a factor of "a". </span>

<span>c) Vertex and Extreme: </span>
<span>.. The vertex is (h, k). It is a maximum if "a" is negative; a minimum otherwise. </span>

<span>d) Solutions: </span>
<span>.. The quadratic formula is based on the notion of completing the square. In vertex form, the square is already completed, so the roots are </span>
<span>.. x = h ± √(-k/a)</span>
6 0
2 years ago
A cleaner recommends mixing 1 1/2cup of cleaner for every 12 cups of water. What is the ratio of cleaner to water ?
Eva8 [605]

Answer:

1:8

Explanation:

1.5 (cleaner) to 12 (water)--> simplified is 1:8

5 0
3 years ago
What is the product? (negative 3 s + 2 t)(4 s minus t)
lapo4ka [179]

Answer:

-12s^2 + 11st - 2t^2.

Step-by-step explanation:

(-3s + 2t)(4s - t)

= -3s(4s - t) + 2t(4s - t)

= -12s^2 + 3st + 8st - 2t^2

= -12s^2 + 11st - 2t^2.

8 0
3 years ago
Read 2 more answers
Write y=x^2-4x-1 in vertex form
Dvinal [7]

Answer:  y= (x+2)² − 5

Step-by-step explanation:

The way I got this answer is by completing the square. The first step though, when looking at this equation, is to see if we can factor it. The way to check is to look at the coefficient for x² which is 1, and the constant, in this case -1. If we multiply those together, we get  −. Now we look at the middle term, 4x. We need to find any numbers that multiply to equal  −  1x² and add to  4x. There aren't any, which means it is not factorable.

Hope I helped

7 0
3 years ago
P.7 Is an even number or Q: 3 is square root of 10 ( P v Q )<br>answer asap please
Arte-miy333 [17]
The correct answer is the Last Choice ft equals truth
7 0
3 years ago
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