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Goshia [24]
3 years ago
6

Rewrite x^2+12x+42 in the form (x+b)^2 +c

Mathematics
1 answer:
Rzqust [24]3 years ago
6 0
This is completing the square:

(x^2+12x+36)+42-36

Answer: (x+6)^2 +6
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Do the ratios 10:20 and 2:24 form a proportion?
expeople1 [14]

We have:

10:20=\frac{10/10}{20/10}=\frac{1}{2}  \\2:24=\frac{2/2}{24/2} =\frac{1}{12} \\=>\frac{1}{2}\neq  \frac{1}{12}\\

So:    10:20\neq 2:24

ANSWER: No

Ok done. Thank to me :>

5 0
2 years ago
what is the point slope of an equation of a line with the slope -13 that goes through the point (5,7)
irga5000 [103]

Remark

The general equation for the point slope form is

(y - h) = slope(x - k)

<em><u>Givens</u></em>

given point = (5,7) from which

h =  7

k =  5

slope = m = - 13

Equation

(y - 7) = -13(x - 5) Usually the equation is left like this.


7 0
3 years ago
Write the equation of a line with slope m = 3 and including point (3, 5).<br> Help ASAP
podryga [215]

Answer:

y=3x-4

Step-by-step explanation:

m=3

x=3

y=5

3/1=y-5/x-3

y-5=3x-9

y=3x-4

6 0
3 years ago
Read 2 more answers
A box is 50 cm long. Which of these is closest to the length of this box in feet? (1 inch = 2.54 cm)
goblinko [34]

First, convert cm to inches.

50/2.54 is roughly 19.69

There are 12 inches in a foot, so divide the 19.69 by 12.

19.69/12 is roughly 1.64

So the answer is C

3 0
4 years ago
Is a rational number divided by a rational number always rational?
miss Akunina [59]

Answer:

Yes

Step-by-step explanation:

When two rational numbers are divided, the outcome will always come out rational.

3 0
4 years ago
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