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Romashka-Z-Leto [24]
3 years ago
12

I NEED HELP!

Mathematics
2 answers:
Nutka1998 [239]3 years ago
6 0

5 months I think hop this HELPED

adoni [48]3 years ago
4 0

Answer:

the correct answer would be 5 months

Hope this helps (:

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What is an equation of the line that passes through the point (-7,-6) and is parallel to the line x-y=7?
zloy xaker [14]

Answer:

y = x + 1

Step-by-step explanation:

Step 1: Find the slope.

<u>Parallel lines have the same slope.</u> That means that the line we are seeking is going to have the same slope as line x - y = 7.

To find the slope of the line x - y = 7 let's change it to the slope-intercept form.

<u>Slope-Intercept Form</u>

y = mx + b

m ... slope

b ... y-intercept

Let's change the equation of the parallel line to slope-intercept form (isolate y).

x - y = 7

Add y on both sides.

x - y + y = 7 + y

x = 7 + y

Subtract 7 on both sides.

x - 7 = 7 + y - 7

x - 7 = y

y = x - 7

Let's read the slope from the equation.

Instead of y = x - 7 we can write y = 1x -7.

Now it's obvious that m (slope) is 1.

m = 1

So far, our equation of the line is:

y = 1x + b

which is te same as

y = x + b

Step 2: Find y-intercept.

To find out y-intercept (b), we substitiute the point (-7, -6) in the equation. Points are in form (x, y) so -7 is x and -6 is y.

y = x + b

-6 = -7 + b

Solve for b.

1 = b

Step 3: Substitute slope and y-intercept in general formula for slope-intercept form of the line.

Now substitute m and b in slope-intercept form y = mx + b.

m = 1

b = 1

Equation of the line:

y = x + 1

5 0
2 years ago
HELP ME 10 POINTS ASAP
ioda

Answer:

−

7

2

−

9

i

3

x

−

3

sin

(

x

)

⋅

cot

(

x

)

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The chicken coop at the petting farm is 10 x 14‘. The farm would like to double the current area by adding the same amount, X, t
9966 [12]

Answer:

x = 4.85 feet

Step-by-step explanation:

Original area of the petting farm = 10 × 14

= 140 square feet

.

New area = double the original area = 140 * 2

= 280 square feet

New area of the petting farm =

Width × length

280 = (10+x) × (14+x)

280 = 140 + 10x + 14x + x²

280 - 140 = x² + 24x

140 = x² + 24x

x² + 24x - 140 = 0

Solve the quadratic equation

x = -b ± √b² - 4ac / 2a

= -24 ± √(24)² - 4*1*-140 / 2*1

= -24 ± √ 576 - (-560) / 2

= -24 ± √ 576 + 560 / 2

= -24 ± √1,136 / 2

= -24 ± 4√71 / 2

= -24/2 ± 4√71/2

= -12 ± 2√71

x = 4.8523 or x = -28.8583

x can not be a negative value

Therefore,

x = 4.85 feet to the nearest hundredth

4 0
3 years ago
Use the first derivative of the following <br><img src="https://tex.z-dn.net/?f=f%28x%29%20%5Cfrac%7B1%7D%7Bx%20-%201%7D%20" id=
Olenka [21]

Answer:

f (x)=−(x−1)−2

Step-by-step explanation:

6 0
2 years ago
If f(x) = x + 4 and g(x) = x, what is (gºf)(-3)?
valina [46]

(gºf) means solve f(x) first, then use that for g(x)

In the equation for f(x) replace x with -3:

f(x) = x +4 = -3 +4 = 1

Now replace the x in the equation for g(x) with 1

g(x) = x = 1

6 0
3 years ago
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