1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kvv77 [185]
3 years ago
11

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

Mathematics
1 answer:
Georgia [21]3 years ago
8 0
We can solve this system of equation by reduction method.
  d+e=15
 -d+e=-5
-------------------
      2e=10   ⇒e=10/2=5

-(d+e=15)
 -d+e=-5
-----------------
  -2d=-20   ⇒d=-20/-2=10

therefore: d=10; e=5

Answer: d.(10,5)
You might be interested in
What is the equation of the line through (7, -1) with slope -3?
Slav-nsk [51]
Point slope is y-y1=m(x-x1) where m is slope and x1 and y1 are the given x and y values.

y-(-1)=-3(x-7)
y+1=-3(x-7)

Final answer: B
3 0
3 years ago
Read 2 more answers
Calculate the average mass of 100 marbles that weigh 824g
Lina20 [59]

Answer:

8.24 grams/marble

Step-by-step explanation:

Average mass = (total mass)/(number of marbles)

Here, that would be:

824 g

-------------------  =  8.24 grams/marble

100 marbles

7 0
3 years ago
What are three complex fractions that all simplify to one fourth
Margaret [11]
These could be some possible amswers:2/8, 8,32, 3/12
5 0
2 years ago
Please help me!! i know u saw this so help me
storchak [24]

Answer:

I think 8

Step-by-step explanation:

9/2 and 5/8

here 8 is the LCM.

so, 9/2 × 4/4

5/8 × 1/1

which gives: 36/8 and 5/8

7 0
2 years ago
Read 2 more answers
I need help with this
elena-s [515]

Answer:

the first option - 48s + 4.75

Step-by-step explanation:

3 0
2 years ago
Other questions:
  • there are 6 people in a raffle drawing. two raffle winners each wing gift cards . each gift card is the same. how many ways are
    8·1 answer
  • A honey bee’s length measures 1 cm. Express this measurement in meters. Explain your thinking. Include an equation with an expon
    12·2 answers
  • One of the factors of x² -<br> x – 6 is How do i work this out on paper?
    7·2 answers
  • what would be the answer. katlyn made 4 dresses with 7 yards of fabric. how many yards did she use on 1 dress
    12·2 answers
  • If x =10 what is x over 2 plus 3x ??
    15·1 answer
  • Does anyone know the answers to this ? Pls help me out
    9·1 answer
  • WILL GIVE BRAINLIEST TO CORRECT ANSWER
    7·1 answer
  • una compañia de relojes desea promocionar un cierto modelo de reloj de pared con motivo de su proximo aniversario. Ellos te soli
    14·1 answer
  • A teacher randomly selects one student from a group of students. Fourteen students are wearing a black shirt, six students are w
    5·1 answer
  • Select the correct answer. adrianna works as a purchasing manager at a trading firm and earns a salary of $60,000. she has deduc
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!