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
aliya0001 [1]
3 years ago
9

Question 7 of 10

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
3 0

Answer:

b

Step-by-step explanation:

You might be interested in
Solve the system of equations below by elimination.<br> (Show your work)<br> 2x+3y=1<br> 5x+7y=3
nikdorinn [45]

Answer:

-2x+2y+3z=0

-2x-y+z=-3

2x+3y+3z=5

---------------

-2x+2y+3z=0

-2x-y+z=-3

---------------- Subtract

3y + 2z = 3 Eqn A

=========================

-2x-y+z=-3

 

2x+3y+3z=5

---------------- Add

2y + 4z = 2

6y + 4z = 6 Eqn A times 2

------------------------------------ Subtract

-4y = -4

y = 1

-----------------

z = 0

-------------------

x = 1

8 0
3 years ago
(a) An angle measures 43°. What is the measure of its supplement
Inga [223]
The answer is 137° because supplementary means the 2 angles must equal 180°
8 0
3 years ago
France can complete 91 oil changes in 7 days how may oil changes can frances complete in 7 days
arsen [322]
Let oil change be x
91 / 7 = x / 11
(91 * 11) / 7 = x
13 * 11 = x
<span>143 = x Ans</span>
8 0
3 years ago
Hi pls answer I'll mark you brainliest​
OLEGan [10]
A) y= -2, 3, 7


B) y= 8, 0, -6


C) y= -8, 1, 7


d) y= 1, -2, -6

7 0
3 years ago
Read 2 more answers
A Turtle Crawled 0.06617 kilometers. How many millimeters is this?​
Paul [167]

Answer:

66170 mm

Step-by-step explanation:

0.06617 km * 1000 km/m * 1000 m/mm = 66170 mm

4 0
3 years ago
Other questions:
  • (32 + __) + 2 +7 = 32 + (14 + 2) +7
    8·1 answer
  • First, a 90 percent confidence interval is constructed from a sample size of 100. Then, for the same identical data, a 92 percen
    5·1 answer
  • A bakery offers a sale price of $3.25 for 3 muffins. What is the price per dozen?
    11·1 answer
  • The larger of to numbers is 12 more than the smaller. Their sum is 84. What are the two numbers?
    6·1 answer
  • Please can you help me I don't understand
    5·1 answer
  • Simplify sin^2y/sec^2 y−1 to a single trigonometric function
    13·1 answer
  • Help please!! I'm very confused
    8·1 answer
  • (brainliest) please help! :D
    7·1 answer
  • Mary high school played 823 baseball games this year .she attended 481 games. how many games did Mary missed?​
    15·1 answer
  • The weight of Jacob’s backpack is made up of the weight of the contents of the backpack as well as the weight of the backpack
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!