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
Elis [28]
3 years ago
13

Please help for test due today

Mathematics
1 answer:
krek1111 [17]3 years ago
3 0
I don’t really know, but it could be b or c. If none then just pick a question :D
You might be interested in
L 5.2.3 Quiz: Two-Variable Systems: Substitution
Misha Larkins [42]

Answer:

We get x=3 and y=21

The ordered pair will be: (3,21)

Step-by-step explanation:

We need to use the substitution method to solve the system of equations.

y = 10x-9\\y = x + 18

For substitution method we substitute the value of x or y from one equation to other.

Let:

y = 10x-9--eq(1)\\y = x + 18--eq(2)

Putting value of y from equation 2 into equation 1

y=10x-9\\Put\:y=x+18\\x+18=10x-9\\x-10x=-9-18\\-9x=-27\\x=\frac{-27}{-9}\\x=3

So, we get value of x=3

Now, for finding value of y, We substitute the value of x

Find value of x from equation 2

y=x+18\\x=y-18

Now, putting value of x in equation 1

y=10x-9\\Put\:x=y-18\\y=10(y-18)-9\\y=10y-180-9\\y-10y=-189\\-9y=-189\\y=\frac{-189}{-9}\\y=21

So, we get value of y=21

So, We get x=3 and y=21

The ordered pair will be: (3,21)

6 0
3 years ago
ATH CHALLENGE
romanna [79]

Answer:

78

Step-by-step explanation:

for the right side we can just do 14*2 since there are two people per seat and 14 rows

14 *2 is 28

for the left side we just do 14*3 since there are three people per seat and 14 rows

14*3 is 42

Then we have to add the 8 students that can fit in the very back seat

42 + 28 + 8

28 + 8 is 36

42 + 36 = 78

3 0
3 years ago
Question 20 (5 points)
laila [671]

9514 1404 393

Answer:

  B) ΔCAT is congruent to ΔDOG

Step-by-step explanation:

If angles are congruent, the triangles are <em>similar</em>. When both corresponding angles and corresponding sides are congruent, the triangles are <em>congruent</em>.

  ΔCAT is congruent to ΔDOG

7 0
3 years ago
List the common factors of the numbers 9 and 18
Solnce55 [7]
the answer is 1,3,9
4 0
3 years ago
Here is questions for you because such thing as spring break is over ;)
zvonat [6]

Answer:

I don't now why but by seeing this photo my mouth is watery

6 0
3 years ago
Read 2 more answers
Other questions:
  • You are given a problem that involves multiplying a positive number and a negative number.
    9·2 answers
  • sam wants to meet his friend beth at a restaurant before they go to the theater.the restaurant is 9 km south of the theater.plot
    15·1 answer
  • The question is find the surface area if this rectangular prism ​
    12·1 answer
  • What are the 2-dimensional components of a cylinder
    10·1 answer
  • 7. Find the volume of the cylinder. Round to the<br> nearest tenth.<br> 6 ft<br> 7 ft
    15·1 answer
  • The temperature 6:00 pm was 24 Fahrenheit. At midnight the temperature was 36 Fahrenheit lower than 6:00 pm what was the tempera
    9·1 answer
  • In how many ways can a
    5·1 answer
  • Determine if the graphs of each pair of equations are parallel or perpendicular
    13·2 answers
  • Find the product of (x+10) (x-10)
    9·1 answer
  • Help me please thank you.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!