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3 years ago

Can someone help me with 5-12 asap

Mathematics

1 answer:

Julli [10]3 years ago

6 0

Answer:

Step-by-step explanation:

Replace the variables with the number it is so

5. 3 • 8 - 8 = 16

6. 6 • 1/2 divide by 3 + 9 = 10

7. 8 to the power of 2-12• 1/2 divided by 3 = 62

8. 5 • 3-2 • 3 + 8= 17

9. 824/ 4 = 206

10. 6• 60/ 9 - 22 = 18

11. 16.8/2.4 = 7

12. 9.85 • 4 = 39.5

(“•” mean multiply)

Hope this helped!!

xxx

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Step-by-step explanation:

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Let x be a real number. Find the lowest possible value of |5x^2 - 16| + |10x - 2|.

BlackZzzverrR [31]

Since the equations are for absolute value this means any negative number used the answer would become positive, so to get the lowest value possible x would need to equal 0, which would eliminate the x variable from the equations.

Replace x with 0 and solve:

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3 years ago

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3 years ago

5. How many solutions does this system of equations have?

Diano4ka-milaya [45]

Answer:

$\text{\boxed{\sf{D. \ No\ solution}}}$

Step-by-step explanation:

Isolate the term of x and y from one side of the equation.

First, you have to substitute of y=-4x-1.

$\Longrightarrow: \sf{[-4x-1=-4x-9]}$

<u>Add by 4x from both sides.</u>

$\Longrightarrow: \sf{-4x-1+4x=-4x-9+4x}$

<u>Solve.</u>

$\Rightarrow:\sf{-1=-9}\\\\\Rightarrow: \sf{(-9)-(-1)=-9+1=-8}\\\\\Rightarrow: \sf{8=0}$

<u>Therefore, the correct answer is "D. No solution".</u>

I hope this helps. Let me know if you have any questions.

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2 years ago