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
Kaylis [27]
2 years ago
15

Solve the simultaneous equations by substitution x − y = 8, x + 4y = 13

Mathematics
1 answer:
Evgesh-ka [11]2 years ago
4 0

Answer:

x = 9; y = 1

Step-by-step explanation:

You might be interested in
What is the value of the expression shown 24-52
Ahat [919]

Answer:

-28

Step-by-step explanation:

It is negative so:

52-24=28

-28

8 0
3 years ago
pls help, i need to write an essay explaining what the difference is between finding the volume and total surface of a shape
Vinil7 [7]

Answer:

The surface area applies to how much space a SOLID objects occupies while volume is  the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains, so volume can be anything.

Step-by-step explanation:

you can't really write an essay-

8 0
3 years ago
Read 2 more answers
Which expression gives the distance between the points (5, 1) and (9,-6)?
8_murik_8 [283]

9514 1404 393

Answer:

  C.  √((5-9)² +(1+6)²)

Step-by-step explanation:

The distance formula can be written ...

  d = √((x1 -x2)² +(y1 -y2)²)

Filling in the given point coordinates, this becomes ...

  d = √((5 -9)² +(1 -(-6))²)

Simplifying the signs, this becomes ...

  d = √((5 -9)² +(1 +6)²) . . . . . matches choice C

8 0
3 years ago
If h(x) = 5 + x and k (x) = StartFraction 1 Over x EndFraction, which expression is equivalent to (k circle h) (x)?
Semenov [28]

Answer:

The answer is B 1/(5+x)

Step-by-step explanation: I just took this test on edgenuity and had trouble with this exact question

8 0
3 years ago
Suppose that a chemist is mixing two acid​ solutions, one of 50​% concentration and the other of 60​% concentration. Which of th
Flura [38]
Mixing the two concentrations would give a new concentration which is in between 50 - 60% .

D. 63% cannot be obtained
8 0
3 years ago
Other questions:
  • Carolyn makes and sells necklaces. The material to make each necklace costs $3.20. Last week she made 12 necklaces and wants to
    14·2 answers
  • W + 1 = d and d = 3w solve by substitution
    9·2 answers
  • How many oz of nuts are there in a box that holds 3.2 pounds
    9·1 answer
  • 1.5 x 10 to the power of 8
    12·2 answers
  • PLEASE HURRY WILL GIVE BRAINLIEST A truck can be rented from Company A for $90 a day plus $0.30 per mile. Company B charges $70
    7·1 answer
  • Hewp! Will gib brainliest!!
    15·2 answers
  • Which of the following will simplify to the
    6·1 answer
  • Logan owed his brother $7.50. For his birthday, Logan received $20 from his grandpa. After paying his brother back, how much mon
    8·2 answers
  • Did brainly remove tutors?
    10·2 answers
  • Which polynomial correctly combines the like terms and puts the given polynomial in standard form? –5x3y3 8x4y2 – xy5 – 2x2y4 8x
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!