lailaparedes51
lailaparedes51 lailaparedes51
  • 14-04-2020
  • Mathematics
contestada

Which expression is equivalent to -21?
A. 9-(-12)
B. 9+(-12)
C. -9+12
D. -9-12

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 14-04-2020

Answer:

D. -9-12=-21

Step-by-step explanation:

Which expression is equivalent to -21?

A. 9-(-12) = 9+12 = 21

B. 9+(-12)  = 9-12 = -3

C. -9+12 = -9+12 = 3

D. -9-12=-21

Answer Link
zachary20
zachary20 zachary20
  • 14-04-2020

Answer:a

Step-by-step explanation:because -9 +-12=_21

Answer Link

Otras preguntas

Why is venus often referred to as earth's sister planet?
the language of genetics answer sheet
Frank Norris purchases a digital camera for $799.99, a tripod for $59.97, and a camera accessory kit for $89.99 in Denver Colorado. The sales tax rate is 6.4 pe
At one point in the contest, the jar contains 4 slips for a 5% discount, y slips for an x% discount, and 2 slips for a 15% discount. If the expected value on th
21000.7895÷444477777
Quadrilateral ABCD is a trapezoid with an area of 20 cm². Find the height of the trapezoid, h. Round the answer to the nearest tenth.
Who says the following and why? There's lots of women has to make their husbands drunk to make them fit to live with. You see, it's like this, If a man has a b
What countries lie just north of australia?
How are earthquake waves and sound waves alike?
Explain the law of conservation as it refers to chemical reactions