3 years ago

Would the -5 go to the left or the right on the number scale?

1 answer:

5 0

The number -5 would go to the left of a number scale. Typically because all negatives move to the left of zero on the number scale.

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Rewrite the equation by completing the square. x^{2}+16x+64 = 0

Ostrovityanka [42]

Answer:

(x+8)²

Step-by-step explanation:

x² + 16x + 64 = (x+8)²

(x+8)² = (x+8)(x+8) = x*x + x*8 + 8*x + 8*8 = x² + 8x + 8x + 64

= x² + 16x + 64

8 0

3 years ago

PLSSSS HELP Which number is not in the correct location?

neonofarm [45]

The answer is -7, because a whole number is any number between zero and POSITIVE infinity. Negative seven does not fall under this.

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3 years ago

You earn $8.50 per hour at your summer job right and solve any quality any quality that represents the number of hours you need

irina1246 [14]

He should work for 24 hours.

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3 years ago

HELP ASAP solve the equation using the properties of equality. 89= -5d+9

sergey [27]

Answer:

d = -16

Step-by-step explanation:

Step 1: Write equation

89 = -5d + 9

Step 2: Solve for d

Subtract 9 on both sides: 80 = -5d

Divide both sides by -5: -16 = d

Step 3: Check

Plug in x to verify if it's a solution.

89 = -5(-16) + 9

89 = 80 + 9

89 = 89

8 0

3 years ago

Jack has $37 and saves $6.50 per week. Diane has $9 and saves $8.25 per week. Define a variable, then write and solve an equatio

Aleks [24]

Answer:

Defining variable: x = per week

Equation: 37 + 6.5x = 9 + 8.25x

Answer: 16 weeks

Step-by-step explanation:

x = per week

Jack:

37 + 6.5x

Diane:

9 + 8.25x

Equation:

37 + 6.5x = 9 + 8.25x

-1.75x = -28

x = 16

5 0

3 years ago