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Misha Larkins [42]
3 years ago
10

WILL MARK BRAINLIEST

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
6 0
(X+2)^2-4 = (X+2)(x+2)-4
Factor:
X^2+4x+4-4
X^2+4x
X(x+4)
X=0, x=-4
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Erika worked 18 hours last week and 20 hours this week. If she earns $6 per hour, how much did she earn these two weeks?
Crank
Hi!

If she worked 18 hours last week and 20 hours this week, then she worked 38 hours in total, because 18 + 20 = 38.

If she earns $6 per hour, and she worked for 38 hours, then she got 38 sets of 6, which you can find the answer to by multiplying 38 and 6.

This is essentially 6 + 6 + 6 +...

38 * 6 = $228

So she earned $228 these two weeks.

Hope this helped!
6 0
3 years ago
Read 2 more answers
A climber is on a hike. After 2 hours he is at an altitude of 400 feet. After 6 hours, he is at an altitude of 700 feet.
natali 33 [55]
I would say 75 feet per hour, though I am not 100% sure.

I first found the difference between hours (6-2 = 4) and then found the difference between distance (700 - 400 = 300). I then divided distance by hours and got 75.
4 0
3 years ago
-3(x+n)=x To solve for x
ladessa [460]

Answer:

x = -3n/4

Step-by-step explanation:

3 0
3 years ago
Y =a/x make x the subject​
aniked [119]

Answer:

x=a/y

Step-by-step explanation:

6 0
3 years ago
Is the equation a linear function or nonlinear function?<br> y = 5x + 3
goblinko [34]

Answer:

Linear.

General Formulas and Concepts:

<u>Algebra I</u>

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

y = 5x + 3

<u>Step 2: Compare</u>

y = mx + b

y = 5x + 3

<em>m</em> = 5

<em>b</em> = 3

It is a linear function and is proportional.

8 0
3 years ago
Read 2 more answers
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