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skelet666 [1.2K]
3 years ago
8

−4(x + 8) + 25 ≤ −2 + 1(x − 50)

Mathematics
2 answers:
olchik [2.2K]3 years ago
4 0
-4(x + 8) + 25 ≤ -2 + 1(x - 50)    |use distributive property: a(b + c) = ab + ac

-4x - 32 + 25 ≤ -2 + x - 50

-4x - 7 ≤ x - 52    |add 7 to both sides

-4x ≤ x - 45   |subtract x from both sides

-5x ≤ -45    |change signs

5x ≥ 45    |divide both sides by 5

x ≥ 9

slamgirl [31]3 years ago
3 0
-4(x+8)+25≤-2+1(x-50)
-4x-32+25≤-2+x-50
-4x-x≤-2-50+32-25
-5x≤-45
-x≤-45/5
-x≤-9
x≥9    

Answer: x≥9


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Write the given roots to quadraatic equation
german

Answer:

It's like solving a quadratic, but in reverse, and in this case you'll arrive at x2+x−12=0

Explanation:

We're going to go "backwards" with this problem - normally we're asked to take a quadratic equation and find the roots. So we'll do what we normally do, but in reverse:

Let's start with the roots:

x=3, x=−4

So let's move the constants over with the x terms to have equations equal to 0:

x−3=0, x+4=0

Now we can set up the equation, as:

(x−3)(x+4)=0

We can now distribute out the 2 quantities:

x2+x−12=0

6 0
3 years ago
Use the zero product property to find the solutions to the equation 6x^2 – 5x = 56.
frez [133]

Answer:

x = 7/2 or x = -8/3

Step-by-step explanation:

Solve for x over the real numbers:

6 x^2 - 5 x = 56

Divide both sides by 6:

x^2 - (5 x)/6 = 28/3

Add 25/144 to both sides:

x^2 - (5 x)/6 + 25/144 = 1369/144

Write the left hand side as a square:

(x - 5/12)^2 = 1369/144

Take the square root of both sides:

x - 5/12 = 37/12 or x - 5/12 = -37/12

Add 5/12 to both sides:

x = 7/2 or x - 5/12 = -37/12

Add 5/12 to both sides:

Answer:  x = 7/2 or x = -8/3

8 0
3 years ago
Read 2 more answers
mrs. lbare wrote three decimals on the bored follwed by the two blank spaces. Complete the sequence of numbers
andrew11 [14]
The rest of the sequence might be 10.5, 12.45, 14.10
5 0
4 years ago
Plz help me. I forgot how to do this XD
nirvana33 [79]
This question has to do with making an approximation based on the diagram of the angle. Angle KLM is an obtuse angle meaning it is larger then 90° but is also less than 180°. The only choices that lie within this range are choices B and D. However, it is safe to assume that angle KLM is closer to 180° than to 90° based on the diagram, therefore the answer must be choice B.

I hope this helps.
5 0
3 years ago
A football is kicked from the ground so that its height n (in feet) t seconds after being kicked is given by h(t) = –16+48t.
damaskus [11]

Answer:

h(t) = –16+48t

h(32)=-16+48(32)

h(32)=-16+ 1536

h(32)= 1520seconds

Step-by-step explanation:

6 0
3 years ago
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