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2 years ago

Can anybody help me with this question?

Mathematics

1 answer:

steposvetlana [31]2 years ago

5 0

12n + 8 I think, I'm not sure tho

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123,10kg to the nearest kg

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Answer:123,000

Step-by-step explanation:

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HELP….ILL GIVE BRAINLIEST

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Which statements are true for solving the equation 0.5 – |x – 12| = –0.25? Check all that apply.

Trava [24]

we have

$0.5-\left|x-12\right|=-0.25$

we know that

The absolute value has two solutions

Subtract $0.5$ both sides

$-\left|x-12\right|=-0.25-0.5$

$-\left|x-12\right|=-0.75$

Step 1

Find the first solution (Case positive)

$-[+(x-12)]=-0.75$

$-x+12=-0.75$

Subtract $12$ both sides

$-x+12-12=-0.75-12$

$-x=-12.75$

Multiply by $-1$ both sides

$x=12.75$

Step 2

Find the second solution (Case negative)

$-[-(x-12)]=-0.75$

$x-12=-0.75$

Adds $12$ both sides

$x=-0.75+12$

$x=11.25$

Statements

case A) The equation will have no solutions

The statement is False

Because the equation has two solutions------> See the procedure

case B) A good first step for solving the equation is to subtract 0.5 from both sides of the equation

The statement is True -----> See the procedure

case C) A good first step for solving the equation is to split it into a positive case and a negative case

The statement is False -----> See the procedure

case D) The positive case of this equation is 0.5 – |x – 12| = 0.25

The statement is False

Because the positive case is $0.5-(x-12)=-0.25$ -----> see the procedure

case E) The negative case of this equation is x – 12 = –0.75

The statement is True -----> see the procedure

case F) The equation will have only 1 solution

The statement is False

Because The equation has two solutions------> See the procedure

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2 years ago

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Melissa the trainer has two solo workout plans that she offers her clients: Plan A and Plan B. Each client does either one or th

Alina [70]

Answer:

A= .75 B= .75

Step-by-step explanation:

Plug in .75. 5(.75) + 3(.75) = 6

7(.75) + 9(.75) = 12

You would turn a to x and b to y to get ---> 5x + 3y = 6 and 7x + 9y = 12 -----> then you would multiply the first equation ^^^^^ by 3 to cancel to give you 15x + 9y = 18 (I did that to get 9y and cancel out the 9y in the other equation) next do 15x + 9y = 18 - 7x + 9y = 12 to get ----> 8x = 6 ---> divide by 8 to get ---> x = .75

Hope this helped!!

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2 years ago

If 7 is subtracted from half of the square of natural number the result is 25.find the number..

balu736 [363]

16 is the answer
16 power2 = 32
32 -7 = 25
________________________
Hope it is helpful!

8 0

2 years ago