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Alinara [238K]
3 years ago
11

Three times the sum of a number and 18 and is at least -30

Mathematics
2 answers:
miss Akunina [59]3 years ago
5 0

Answer:

im sry i need hte points

Step-by-step explanation:

Tom [10]3 years ago
5 0
12 is what is from -30 to 18?
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Harman [31]
Answer:7043.82

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3 0
3 years ago
The length of one leg of a right triangle is 3 feet more than the other leg. If the hypotenuse is 15 feet find the length of eac
melamori03 [73]

Answer:

Leg1 = 9 and leg2 = 12

Step-by-step explanation:

<u>Points to remember</u>

<u>Pythagorean theorem</u>

Hypotenuse² = Base² + Height²

<u>To find the length of each leg</u>

It is given that, hypotenuse = 15 feet

Let base = x the height = x +3

By using Pythagorean theorem we can write,

Hypotenuse² = Base² + Height²

15²  = x² + (x + 3)²

225 = x²  + x²  + 6x + 9

2x²  + 6x + 216 = 0

x²  + 3x + 108 = 0

By solving we get x = 9 and x -12

Therefore one leg = 9 and other leg = 9 + 3 = 12

5 0
3 years ago
Read 2 more answers
If 4(a+3)=2a+12, then a= __
Verdich [7]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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If f(x) = x+1 and g(x) =x^2, then gf(2) =
yKpoI14uk [10]

Answer:

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Step-by-step explanation:

Evaluate f(2) and substitute the value obtained into g(x)

f(2) = 2 + 1 = 3 , then

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6 0
3 years ago
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3 years ago
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