sandodia000 sandodia000
  • 25-03-2021
  • Mathematics
contestada

30 + a = 40
40 + b = 30
c - 3 = 8
d - 3 = 8
plz answer.

Respuesta :

dauyds
dauyds dauyds
  • 25-03-2021

Answer:

A= 10

B= -10

C and D both = 11

Answer Link

Otras preguntas

Two sets a and b are nonempty disjoint subsets of a set s. if x ∈ s, then which of the following are true? (a) it’s possible that x ∈ a∩b. (b) if x is an elemen
What is the density of copper in kg/m³?
Write the coordinates of the vertices after a rotation 180° counterclockwise around the origin.
With this number of turns, what are the maximum and minimum field magnitudes in the interior of the core?
Recording Principal and Agent Revenue EntriesTravel-by-Air Inc. sells discounted airline tickets to travelers on three major airlines. The discounted airfares a
Use the equation 2FeCl,(ag) + 3Mg(s) → 3MgCl(aq) + 2Fe(s) If 78 grams of magnesium react with excess iron (III) chloride, how many grams of iron will be produ
Completez les mots croises avec les mots qui manquent dans les phrases suivantes
Explain what the Neolithic Revolution was
Through: (5,-1), perp. to y =1/8x 8 why #3
A student factors 10x²+3x-27 to the following (2x-3)(5x+9).Which statement about (2x-3)(5x+9) is true? a. The expression is equivalent, and it is completely fac