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3 years ago

What is 1/50 as a percent and decimal?

1 answer:

6 0

1/50 converted to percent would be 2%. Here is how I got 2%. All I did was just divide 1 and 50 and got 0.2 then I had to multiply 0.2 * 100 and got 2%.

1/50 converted to decimal would be 0.02. I got 0.02 by dividing 1 and 50.

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The vertex of this parabola is at (-5, -2). When the x-value is -4, the y-value is 2. What is the coefficient of the squared exp

Montano1993 [528]

Answer:

The coefficient of the squared expression in the parabola equation is $a=4$

Step-by-step explanation:

The equation of a parabola in its vertex form is:

$y = a(x-h) ^ 2 + k$

Where the vertex of the parabola is the point (h, k)

a is the ceoficiente of the term to the square.

We need to find the equation of a parabola that has its vertex in the point:

(-5, -2)

So:

$h = -5\\\\k = -2$

Therefore the equation is:

$y = a(x - (-5)) ^ 2 -2\\\\y = a(x + 5) ^ 2 -2$

We know that the point (-4, 2) belongs to this parable. Then we can find the value of a by replacing the point in the equation of the parabola

$(2) = a((-4) + 5) ^ 2 -2\\\\2 = a(1) ^ 2 -2\\\\2 = a -2\\\\a = 4$

Finally the coefficient is a = 4

7 0

4 years ago

Select the correct answer. Write (21 − 4i) − (16 + 7i) + 28i as a complex number in standard form. A. 5 + 39i B. 5 + 17i C. 5 −

Anastasy [175]

Answer:

Step-by-step explanation:

8 0

3 years ago

A bag of flour weighs 5 lb. 5/7 lb of flour was used to make bread. How many

Natalka [10]

Answer:

Step-by-step explanation:

5/1 - 5/7

35/7 - 5/7

= 30/7 = 4 2/7 lb

Multiply the denominators, 7 by 5,and 1 by 7. When you have the same denominator in each fraction you can subtract. (7x4= 28, 30-28= 2)

7 0

3 years ago

The following equation is given.

SashulF [63]

5x² - 9x + 45 = 0

Δ = b² - 4.a.c

Δ = (-9)² - 4 . 5 . 45

Δ = 81 - 4. 5 . 45

Δ = -819

There's no real root.

7 0

3 years ago

The unit rate for $920 for 40 hours

icang [17]

All that needs to be done for this question is:

920 divided by 40

once the problem has been solved the answer comes out to be:

23 dollars an hour

if you have any questions feel free to ask me ;)

3 0

4 years ago

Read 2 more answers