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nikdorinn [45]
3 years ago
15

How many solutions 9x +2y =9 -3x + y=2

Mathematics
1 answer:
Tju [1.3M]3 years ago
6 0

Answer:

4

Step-by-step explanatio

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The temperature in Fond cu Lax, Wisconsin, is 48 degrees. The temperature in Houston, Texas, is 80 degrees. What is the differen
DochEvi [55]

Answer:

Step-by-step explanation:

Temperature in Fond cu Lax=48*

Temperature in Houston=80*

Temperature difference=80-48=32*

3 0
3 years ago
A can of soup has the shape of a cylinder.
Jobisdone [24]

Answer:

Step-by-step explanation:

Height h = 4.5 inches

Radius r = 3.4/2 = 1.7 inches

Area of base = πr² = 2.89π square inches

Volume of cylinder = πr²h = 2.89π4.5 = 13.0 cubic inches

6 0
3 years ago
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Please help with this Math Question...
Nataly [62]

Answer: A

<u>Step-by-step explanation:</u>

f(x) = x³ + 4x² + 7x + 6

possible rational roots are ±{1, 2, 3, 6}

Try x = -2

-2 |   1   4   7   6

   <u>|   ↓  -2  -4  -6</u>

       1    2    3   0 ← remainder is 0 so x = -2 is a root  ⇒  (x + 2) = 0

The factored polynomial x² + 2x + 3 = 0 is not factorable so use the quadratic formula to find the roots.

a=1, b=2, c=3

x=\dfrac{-b\pm\sqrt{b^2-4ac} }{2a}

x=\dfrac{-(2)\pm\sqrt{(2)^2-4(1)(3)} }{2(1)}

x=\dfrac{-2\pm\sqrt{4-12} }{2}

x=\dfrac{-2\pm\sqrt{-8} }{2}

x=\dfrac{-2\pm2i\sqrt{2}}{2}

x = -1 \pm i\sqrt{2}

x = -1 + i\sqrt{2}       x = -1 - i\sqrt{2}

x - (-1 + i\sqrt{2})=0       x - (-1 - i\sqrt{2})=0

The factors are:

(x - 2)[x - (-1 + i\sqrt{2})][x - (-1 - i\sqrt{2})]




5 0
3 years ago
Mr Jacobson asked her student to write a word problem that describes the graph below
bazaltina [42]

Answer:

I'm gonna need to see the graph, sweetheart.


8 0
3 years ago
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Julianne earned $296 working at a grocery store last week. She earned $8 per hour. How many hours did Julianne work?
hram777 [196]
37 hours
You divide 296 by 8 and then you get your answer


4 0
3 years ago
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