Theofficialpereza Theofficialpereza

21-01-2018
Mathematics

contestada

Solve the system is equations and choose the correct answer from the list of options.

d+e=15

-d+e=-5

Label the ordered pairs as (d,e).

Respuesta :

Dance4Life18 Dance4Life18

21-01-2018

d+e=15
-d+e=-5
The ds cancel out so
e=15
e=-5
Add both sides of equations together
2e=10
Divide by 2
e=5

Substitute 5 for e in either equation:
d+5=15
Subtract 5
d=10

(10,5)

Answer Link

Otras preguntas

Steve drew an isosceles trapezoid with a height of 5 cm and bases of 12 cm and 6 cm. What is the area of the trapezoid drawn by Steve?

A machine coats metal spheres with a plastic coating. The metal spheres have a radius of 9 mm the spheres formed by the metal and plastic coating have a radius

15% of the students in Mr. Riley's social studies classes watch the local news every night. Mr. Riley found that 136 of the students do not watch the local news

Which word is the subject complement of the sentence? Trent is the fastest swimmer on our team. A. fastest B. team C. Trent D. swimmer

Why is most of Florida a peninsula

What approach would a cultural historian take to the Cuban missile Crisis?

what is Pie to the third power times 46

14 boys and 21 girls will be equally divided into groups. Find the greatest number of groups that can be created if no one is left out.

seven halves is equal to how many wholes?

in our school there are 680 children. if 60% are girls,how many boys are there?