monster09 monster09

19-01-2017
Mathematics

contestada

want is the solution?
21 = 42 - 3r

A. r = -8
B. r = -7
C. r = 7
D. r = 8

Respuesta :

19-01-2017

21 = 42 - 3r
-21 = -3r
r = 7

So C.

Answer Link

Otras preguntas

Triangle LMN has vertexes at L(-1, -6), M(1, -6), and N(1, 1). Find the measure of angle L to the nearest degree.

The subsection of a drug monograph that may indicate a cancer causing potential is the _

Brian comes to the block area and knocks down a building that Tim and Jody are constructing. The most probable reason for Brian's misbehavior is that he

what did presidential candidate Jhon Bell condemn during the election of 1860

Both Seagulls and wild geese are large birds. They're also similar in that both kinds of birds can fly over great distances. On the other hand, seagulls are sca

1)Water is said to have a high boiling point. How does this property of water allow for life in the oceans? a) Even when it gets very cold in the winter, the oc

Rick needs to decide what resources to read for his research paper in English class. Instead of working independently on this assignment, Rick should talk to hi

Joanna, a high school junior, is traveling on her own for the first time. she is flying to chicago to visit her cousins and reflects on the visit during her pla

The respiratory rate of 30 breaths per minute in an infant is ________.

According to erikson's theory, children in middle childhood tend to judge themselves as either _____. competent or awkward