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Lapatulllka [165]

3 years ago

15

What perecent of 18 is 27

1 answer:

zalisa [80]3 years ago

6 0

150% of 18 is 27

Divide 27 by 18:
$\frac{27}{18} = 1.5$

Multiply 1.5 by 100, this will convert the decimal to a percentage:
$1.5 \times 100 = 150$

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Edward can run 1/2 mile in 300 seconds. What is his unit of rate

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Im not quite sure but i think the unit rate is 150. Hope this helps!!

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(W+4)(3w-2) please solveeed

Shkiper50 [21]

Step-by-step explanation:

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3 years ago

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2/3 / (-9/4)<br><br> 2/3 divided by (-9/4)

Bezzdna [24]

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$\frac{2}{3} \div ( - \frac{9}{4} ) = \\$

$\frac{2}{3} \times( - \frac{4}{9}) = \\$

$- \frac{2 \times 4}{3 \times 9} = - \frac{8}{27} = - ({ \frac{2}{3} })^{3} \\$

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3 years ago

Suppose a parabola has vertex (6,5) and also passes through the point (7,7). Write the equation of the parabola in vertex form.

jek_recluse [69]

Answer:

Choice B: $y = 2\, (x - 6)^{2} + 5$ .

Step-by-step explanation:

For a parabola with vertex $(h,\, k)$ , the vertex form equation of that parabola in would be:

$\text{$y = a\, (x - h)^{2} + k$ for some constant $a$}$ .

In this question, the vertex is $(6,\, 5)$ , such that $h = 6$ and $k = 5$ . There would exist a constant $a$ such that the equation of this parabola would be:

$y = a\, (x - 6)^{2} + 5$ .

The next step is to find the value of the constant $a$ .

Given that this parabola includes the point $(7,\, 7)$ , $x = 7$ and $y = 7$ would need to satisfy the equation of this parabola, $y = a\, (x - 6)^{2} + 5$ .

Substitute these two values into the equation for this parabola:

$7 = (7 - 6)^{2}\, a + 5$ .

Solve this equation for $a$ :

$7 = a + 5$ .

$a = 2$ .

Hence, the equation of this parabola would be:

$y = 2\, (x - 6)^{2} + 5$ .

4 0

3 years ago

25 x (10+3) in word form

FinnZ [79.3K]

Answer:

Step-by-step explanation:

25 times the sum of 10 and 3

7 0

3 years ago

Read 2 more answers