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2 years ago

What is negative 19 minus 12

Mathematics

1 answer:

nekit [7.7K]2 years ago

6 0

Negative 31 because their both negatives so it's basically adding but in the end it's a negative number

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Jerilyn picked 40 apples in 5 minutes. What is the unit rate?

elena55 [62]

Answer:

Step-by-step explanation:

Total apples = 40

Time = 5 min

Unit rate = 40 ÷ 5 = 8 apples per min

8 0

2 years ago

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PLEASE HELP Which expression represents the difference quotient of the function f (x) = negative StartRoot 2 x EndRoot?

natali 33 [55]

Answer:

c is the correct option

Step-by-step explanation:

from,

f'(x) = h >0 f(x + h) - f(x)

f(x) = - √2x

f(x + h) = - √(2x + h)

f'(x) = h>0 -√(2x + h) - √2x

rationalize the denominator

= h>0 -√(2x + h) + √2x (-√(2x + h) - √2x)

h (-√(2x + h) - √2x)

= h>0 4x + 2h - 4x

h(-√(2x + h) -√2x)

= h>0 2h

h(-√(2x+h) - √2x)

= h>0  2 

-√(2x+h) - √2x

5 0

3 years ago

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You have $5,000 to invest for ten years. The Bank pays simple interest at an annual rate of 5%. Calculate your balance after 10

Mazyrski [523]

Answer: $7,500

Step-by-step explanation:

Use the formula: SI = P(1 + rt)

SI = 5000(1 + 0.05[10])

SI = 5000 + 2500

SI = $7,500

After 10 years, your balance should be $7,500

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2 years ago

You are tiling a kitchen floor that is 10ft wide by 4yd long. How many square yards of tile do you need?

ASHA 777 [7]

1 yard= 3 feet

4*3=12 (we do this to find how long the floor is)

10*12=120 (this is in feet, but it needs to be converted to yards)

120/3=40

You need 40 yards of tile

4 0

3 years ago

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−5t=−45 t= plz help me

Shkiper50 [21]

Answer:

Step-by-step explanation:

Step 1:

- 5t = - 45 Equation

Step 2:

- 45 ÷ - 5 Divide

Answer:

t = 9

Hope This Helps :)

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2 years ago

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