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andriy [413]
3 years ago
6

-13r + -4r + 14r -9 =-15

Mathematics
2 answers:
deff fn [24]3 years ago
8 0

Answer:

2

Step-by-step explanation:

-13 x 2 = -26

-4 x 2 = -8

14  x 2 = 28

-26 + -8 + 28 +-9 = -15

have a nice day and mark me brainliest! :)

Len [333]3 years ago
6 0

Answer:

-13r+ - 4r+ 14r - 9= -15

-17r+14r=-3r

-3r -9 =15

-3r=15+9

-3r=24

Divide both sides by -3r

r = -8

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3). Let g(x) = x^4 - 6x^3 + 13x^2 - 24x + 36. Find all complex zeros and multiplicities, if 2i is a complexzero. Apply the conju
lutik1710 [3]
g(x)=x^4-6x^3+13x^2-24x+36

4 0
1 year ago
You are mowing a lawn. After 12 minutes, 52% of the lawn still needs mowed. How long does it take to mow the entire lawn? Write
aleksley [76]
12/x = 52/48
12 * 48 = 52x
x = 11.07 This is one way to do it.

Let the time = x
Let the part of the lawn = y

The general equation
y = k*x
52/100 = k * 12
k = 0.043333 
y = 0.043333*x
y = 0.043333* 11.08
y = 0.48 which is what it should be.

Yet another way is to let y = kx
52 = k*12
k = 52/12
k = 4.33333333

y = 4.333333 * x
y = 4.333333 * 48
48  = 4.333333 * x
x = 11.07 which is just what you should expect.
7 0
2 years ago
In the figure, point E is on line DG .
g100num [7]
Hello there.

<span>What is the measure of ∠GEH?

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3 0
2 years ago
Solve and graph the inequality 6 + 3n ≤40
Kazeer [188]
6+3n≤40
Use inverse operations i.e.
4x+2<10
    -2    -2
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7 0
2 years ago
Solve the inequality.<br> -12 &lt; 1/2(x+16) &lt; 18
lana66690 [7]

Answer:

-40 < x < 20

Step-by-step explanation:

step 1: -12 < 1/2(x+16) < 18 --> Distribute

step 2: -12 < 1/2x + 8 < 18 --> subtract 8

step 3: -20 < 1/2x < 10 --> Multiply by 2

answer : -40 < x < 20

3 0
2 years ago
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