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
Brut [27]
3 years ago
11

Ryan bought 6 apples and 9 peaches for a total of $7.86. Maya bought 4 apples and 5 peaches for $4.82. How much are apples and p

eaches?
Mathematics
1 answer:
nekit [7.7K]3 years ago
5 0
Apples are $0.68 and peaches are $0.42.

To find these values, we need to write and solve the following system of equations.

6x + 9y = 7.86
4x + 5y = 4.82

Multiply the first equation by 2 and the second by -3.

12x + 18y = 15.72
-12x - 15y = 14.46

Add the equations together.
3y = 1.26
y = 0.42

Sub in 0.72 and solve for x in either equation and you will get x = 0.68.

You might be interested in
Can some one please help me to teach this to my daughter
EastWind [94]
28mi/1 hr = 28 mi/60 min = 1 mi/(60/28) min = 

28 mi/hr = 28 mi/60 min since there are 60 min in 1 hr
1 mi/(60/28) min since you divide top and bottom of 28/60 by 28 to get
1 mi/(60/28) min = 1mi/(15/7) min = 1 mi/ 2 1/7 min
3 0
3 years ago
Plzz help me! I will mark brainiest!!
Korolek [52]

Answer:

mhuaaa

Step-by-step explanation:

papapapapapapapapa

3 0
3 years ago
The rental fee for a bike is $10 plus $3 for each hour the bike is used. How much will it cost
ikadub [295]
Y=3x+10
10 represents the fee
X= amount of hours
3 is the cost per hour.
4 0
2 years ago
9.4 The heights of a random sample of 50 college stu- dents showed a mean of 174.5 centimeters and a stan- dard deviation of 6.9
gladu [14]

Answer:  a) (176.76,172.24), b) 0.976.

Step-by-step explanation:

Since we have given that

Mean height  = 174.5 cm

Standard deviation = 6.9 cm

n = 50

we need to find the 98% confidence interval.

So, z = 2.326

(a) Construct a 98% confidence interval for the mean height of all college students.

x\pm z\times \dfrac{\sigma}{\sqrt{n}}\\\\=(174.5\pm 2.326\times \dfrac{6.9}{\sqrt{50}})\\\\=(174.5+2.26,174.5-2.26)\\\\=(176.76,172.24)

(b) What can we assert with 98% confidence about the possible size of our error if we estimate the mean height of all college students to be 174.5 centime- ters?

Error would be

\dfrac{\sigma}{\sqrt{n}}\\\\=\dfrac{6.9}{\sqrt{50}}\\\\=0.976

Hence, a) (176.76,172.24), b) 0.976.

8 0
3 years ago
M–[(m–n)÷(−2)](−5), if m=−4, n=−6
Marrrta [24]

- 4 - (( - 4  + 6) \div ( - 2))( - 5) = \\   = - 4 - (2 \div ( - 2))( - 5) =  \\  =  - 4 - ( - 1)( - 5) =  - 4 - 5 =  \\  =  - 9

5 0
3 years ago
Read 2 more answers
Other questions:
  • Jan left her home and drove for 5.2 hours due north at a rate of 60 miles per hour. After visiting a friend, she drove due south
    7·2 answers
  • Please it’s really important need help
    10·2 answers
  • What value of x is in the solution set of 9(2x+1)<9x-18
    13·1 answer
  • Which graph represents the exponential function below f(x)=5(3)^x-1
    15·1 answer
  • HELP, WILL GIVE BRAINLIEST!!
    9·1 answer
  • Ryan has a $500 bond with a 6.5% coupon. How much interest will Ryan
    11·2 answers
  • What is 9:09 minus 8:22
    14·1 answer
  • Which graph represents the function f (x) = StartFraction 2 x minus 1 Over x minus 1 EndFraction
    12·1 answer
  • Solve −163 = −25d .
    15·1 answer
  • SAmina walked nine times round a square Field. If she covered a total distance of 12 96 meters, what is the area of the field?​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!