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
Anna [14]
3 years ago
8

20 POINTS! Which of the following equations shows how substitution can be used to solve the following system of equations?

Mathematics
1 answer:
daser333 [38]3 years ago
3 0

Answer:

It is the first option

Step-by-step explanation:

You might be interested in
How to get 24 with 7 8 5 and 9
xxMikexx [17]

Answer:

Here's how

Step-by-step explanation:

7 plus 5 equals 12, minus 9, get 3 then multiply by 8 and get 24.

5 0
3 years ago
Determine whether the forces in the pair are pulling at right angles to each other.
snow_tiger [21]
Given:
right triangle
a = 2.9
c = 4.2

Pythagorean Theorem: a² + b² = c²

missing value of b.

b² = c² - a²
b² = (4.2)² - (2.9)²
b² = 17.64 - 8.41
b² = 9.23
b = √9.23
b = 3.03 or 3.0 

The value of b is 3.0
4 0
3 years ago
A baseball player has a batting average of 0.325 each week of the season, with a standard deviation of 0.065. What is the z scor
ad-work [718]

Answer: Your answer is 1.308

Step-by-step explanation: Yw and I sure hope this helps U. And pls mark me as brainiest

7 0
2 years ago
a red lamp flashes every 10 seconds ,a yellow lamp flashes every 24 seconds and a blue lamp flashes every 30 seconds.How many ti
jeka57 [31]

Answer:

600x

Step-by-step explanation:

10 x 24x 30 - 10x 60x

7 0
3 years ago
graham spent a total of 7.25 on 8 oranges and a packet os strawberries if a packet of strawberries cost 2.85 how much did each o
JulsSmile [24]
$7.25-$2.85= $4.40
$4.40/8= $0.55
Each orange costs $0.55
6 0
3 years ago
Other questions:
  • What is the solution?( no solution or all real numbers) -3(x-1) > -3x - 2.
    12·1 answer
  • If you put $603 in a savings account that pays 9% for one year what is the amount of money you will have at the end of the one y
    12·1 answer
  • A red car is driving along the road in the direction of the police car and is 130 feet up the road from the location of the poli
    9·1 answer
  • Given the two expressions below: 1) 4x2 − 8x + 9 2) 3x2 + 2y + 6 Is the sum of the two expressions above a polynomial? Why or wh
    5·1 answer
  • How can you tell from a table of values if a relationship is proportional?
    11·1 answer
  • How many numbers between 1 and 100 are divisible by 5 or 8
    13·1 answer
  • Answer the question below to be featured in a Mr. Beast video!
    15·2 answers
  • 5.) 3x^2 - 13x + 4 = 0
    5·1 answer
  • Find the volume of this triangular prism. 7m, 9m, and 10m
    12·1 answer
  • The sum of 3 consecutive numbers is 126. Find the numbers.
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!