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
trapecia [35]
3 years ago
6

How do you solve this?

Mathematics
2 answers:
ohaa [14]3 years ago
7 0
-7x -7y = 21
Y = 6

Since they are giving you the value of 6 you just plug it in the equation

-7x - 7(6) = 21
-7x - 42 = 21
+ 42. +42

-7x = 63
/-7. /-7

X = -9
sesenic [268]3 years ago
4 0
-7x-7y=21
Y=6
-7x-7×6=21
You might be interested in
Alan, Bill, and Calvin are playing a game with collectible cards. At the moment, Alan has 11 less than 2.5 times the number of c
oksian1 [2.3K]

Answer:

50

Step-by-step explanation:

I'm sorry but your missing the questions but I found a close answer! Let A be the number of cards Alan has B be the number of cards Bill has C be the number of cards Calvin has Alan had 11 less than 2 1/2 times the number of cards bill has. is 2.5 Alan is 2.5 of bill has minus 11 A=2.5B -11 Calvin has 1 more than 1 1/2 times the number of cards bill has. is 1.5 Calvin is 1.5 of bill has plus 1 C=1.5B + 1 Alan and Calvin have the same number of cards So A=C WE plug in A  and C equations and solve for B 2.5B -11 = 1.5B + 1 (subtract 1.5B on both sides) 1B -11 = 1 (Add 11 on both sides) B = 12 If Alan and Calvin have the same number of cards, the number bill has is 12 The number of cards Alan and Calvin each have is 19 Total cards = 12 + 19 + 19 = 50 If Alan, bill, and Calvin have all the cards in the deck then the deck has 50 cards.

3 0
2 years ago
There are 131 students at a small school and 35 of them are freshmen. What fraction of the students are freshmen?
IrinaK [193]

Answer:

35/131

Step-by-step explanation:

Since 35 out of 131 students are freshmen, the fraction would be:

35/131

<em>I hope this helps! :)</em>

6 0
2 years ago
Please help. Part 2: What is the correct standard form of the equation of the parabola?
Anastaziya [24]

Answer:

The answer is (X +2)^2 = 4(Y -5).

6 0
2 years ago
Maria bought 12.5 gallons of gasoline. There are approximately 3.8 liters in 1 gallon. Which measurement is closest to the numbe
allochka39001 [22]

Answer:

47.5

Step-by-step explanation:

7 0
2 years ago
228% of what number is 33.06
frez [133]
N(228/100)=33.06  multiply both sides by 100

228n=3306  divide both sides by 228

n=14.5
4 0
3 years ago
Read 2 more answers
Other questions:
  • 3x with a 2 as an exponent +8x=35
    10·2 answers
  • Which measure of central tendency does 4 represent for the data shown 1,3,4,6,9
    13·1 answer
  • stan's steak house has a server to cook a ratio of 5 to 2 . The total number of servers and cooks is 42 . How many servers does
    5·1 answer
  • The sum of the cost of dinner d and a rip of $12 tip divided equally by 3 people
    9·1 answer
  • one drink has 20 sugar another one has 45 sugar each can has 250 milliliters of soda what is the sugar concentration of the mixe
    8·1 answer
  • Im stuck between these two, is it correct so far?​
    15·1 answer
  • Please help I don’t get it
    11·1 answer
  • A truck driver makes a trip that covers 2,380 km in 28 hours. What is the driver's average speed in km/h?
    11·2 answers
  • Maddy found a job with an annual salary of $47.5K. What is her monthly pay, rounded to the nearest dollar?
    12·2 answers
  • What is the surface area of a polyhedron?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!