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suter [353]
3 years ago
12

The difference of the square of a number and 18 is equal to 3 times that number. Find the positive solution.

Mathematics
2 answers:
taurus [48]3 years ago
4 0

hi

hi

hi

hi

hi

hi

hi

hi

hi

hi

hi

Ilya [14]3 years ago
3 0

Answer: x=6 or x=-3

Step-by-step explanation:

x^2-18=3x

x^2-3x-18=0

(x-6)*(x+3)=0

x-6=0    x+3=0

x=6        x=-3

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Please help me!! I’m failing math. :(
Sauron [17]

Answer:

5:15 is the ratio for the amount of <u>circles</u> to total shapes.

Step-by-step explanation:

There are 5 circles and 15 shapes total.

So the ratio of circle to the total amount of shapes is 5:15

Hope I helped :)

Please consider Brainliest :)

8 0
3 years ago
Which property justifies this r(s + t) = rs + rt<br> statement
Law Incorporation [45]
R(s+t) = rs + rt represents Distributive Property because r is multiplying s and t
i.e. ( r*s + r*t ) 
    = rs + rt

So correct answer is Distributive Property.

hope this helps  :)
8 0
3 years ago
Read 2 more answers
Precalculus question. Please help me and thank you .
VLD [36.1K]

We know,

sin(x) and cos(x) have minimum value equal to -1 and maximum value is 1.

Maximum value of sin(x) is 1

So we replace sin by 1 in our given equation

y=-2+5sin(\frac{\pi }{12}(x-2))

When we replace sin by 1 we will get

y=-2+5(1))

y= -2+5 = 3

So maximum value is 3


4 0
3 years ago
Pleeeeaaaaase help me
Elenna [48]

Step-by-step explanation:

measure all the sides then multiply you will get the answer

4 0
2 years ago
Solve this system of equations
olga_2 [115]

Answer:

D) x = 4, y = -2, z = 3

Step-by-step explanation:

x = 3z − 5

2x + 2z = y + 16

2(3z - 5) + 2z = y + 16

6z - 10 + 2z = y + 16

8z = y + 26 ---> (A)

7x − 5z = 3y + 19

7(3z - 5) - 5z = 3y + 19

21z - 35 - 5z = 3y + 19

16z = 3y + 54 ---> (B)

8z = y + 26

16z = 3y + 54

2(y + 26) = 3y + 54

2y + 52 = 3y + 54

y = -2

8z = -2 + 26

8z = 24

z = 3

x = 3(3) - 5

x = 4

8 0
3 years ago
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