bree007 bree007

19-01-2021
Mathematics

contestada

The sum of two numbers is 12.43 and their
difference is 117.77. What are the numbers?

Respuesta :

ashlynnesoccer ashlynnesoccer

19-01-2021

x+y = -12.43
...
x-y = 117.77
..
add the two equations
2x=105.34
/2
x=52.67
...
plug value of x in first equation
52.67+y=-12.43
-52.67
y=-12.43-52.67
y = -65.10

Answer Link

Otras preguntas

The Daffodils Based on the details in Passage 1, which inference can be made about the speaker of the poem?

someone please help- am struggling.

Part A: Which choice best describes Buck's attitude toward the wolf? A Buck is intimidated by the wolf because it is untamed.Buck is intimidated by the wolf bec

A coder locates a code in the ICD-10-CM disease index, which contains the abbreviation NEC. Upon verification of the code in the tabular list, the coder assigns

The President is allowed to offer amnesty, what is it? a. Legal forgiveness of a crime b. Postponement of a sentence to a crime c. Mercy or leniency on a federa

What causes the element name to change? (Protons, electron, or neutrons (It can be more than one))

Please help I will make you Brainliest (don't answer part a)Also b says the diameter is 15cm. Use π=3.14 to calculate the circumference

Help pls brainlessi will mark

5) The Gordon Law Group identifies conditions that create conflict opportunities. In which stage of the conflict process is Gordon Law Group involved

what species do we consider good and which ones are bad