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
Veseljchak [2.6K]
4 years ago
10

25 points pls help me quickly

Mathematics
2 answers:
lianna [129]4 years ago
7 0

7x+10y=36

y=2x+9

7x+10y=36

-2x+y=9 /*10

7x+10y=36

20x-10y=-90

+---------------------

27x=-54 //27

x=-2

-2(-2)+y=9

y=5

x=-2

y=5

daser333 [38]4 years ago
3 0

Answer:

x = -2, y = 5

Step-by-step explanation:

7x + 10y = 36

y = 2x + 9

7x + 10(2x + 9) = 36

7x + 20x + 90 = 36

27x = -54

x = -2

y = 2(-2) + 9

y = -4 + 9

y = 5

You might be interested in
Spinner A has 6 orange slices and 9 yellow slices. all slices are the same size. ​
nadya68 [22]

Answer:

what happened to spinner b

Step-by-step explanation:

5 0
4 years ago
Allen wants to buy some packages of trading cards that cost $4.99, and a soda that costs $1.29. He has $25. Use the equation 4.9
fredd [130]
25.00-1.29= 23.71
23.71/4.99= 4.75
He can get 4 packs of cards
4 0
3 years ago
Read 2 more answers
Find the value of x.<br>x 13 39​
Alex

Answer:

13x-39=39

13x=78

 the answer is x=6

6 0
3 years ago
On Jiamin's trip to Wisconsin, her average rate of speed for the whole 5-hour trip was 62 miles per hour. For the first two hour
GaryK [48]
Average speed for the entire journey was 62 miles per hour.
Total time of the journey was 5 hours.

In first 2 hours, her average speed was 60 miles per hour. This means, she covered 120 miles in first two hours, as

Distance = Speed x Time

The total distance of the entire journey was:

Total Distance = 62 x 5 =310 miles

Out of these 310 miles, she covered 120 miles in first two hours. So this means she covered (310 - 120) miles in next 3 hours.

Thus she covered 190 miles in 3 hours. So her average speed will be 190/3 miles per hour which is equal to 63.33 miles per hour.

So, the average speed for last 3 hours of the trip was 63.33 miles per hour
5 0
3 years ago
12 pages in 80 minutes. Express as a simplified fraction
SSSSS [86.1K]
First put it in fraction form 12/80 then divide both sides by the greatest common factor, in this case 4.
5 0
3 years ago
Other questions:
  • If the exchange rate changes from​ $1.45 = 1 euro to​ $1.37 = 1​ euro, then
    10·1 answer
  • Determine the cosine of ∠B. A) 12 13 B) 12 5 C) 5 12 D) 5 13
    15·2 answers
  • there was one quart of milk in the carton. Oscar poured one cup of milk on his cereal. How many cups of milk were left in the ca
    9·1 answer
  • Find the circumference and the area of a Circle with diameter 8km. Write your answer in terms of pi.
    14·2 answers
  • For the following right triangle, find the side length x. Round your answer to the nearest hundredth.
    15·1 answer
  • Any help is greatly appreciated!
    8·1 answer
  • Answer? i rlly dont know
    15·1 answer
  • K is between J and L. JK = 3x – 5, and KL = 2x + 1. IfJL = 16, what is JK?
    8·1 answer
  • At the beginning of the season, Mike had to remove 4 lemon trees from his farm. Each of the remaining trees produced 150 lemons
    13·1 answer
  • What is the sumn?<br> 2/x2 + 4/x2
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!