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
Goshia [24]
3 years ago
14

Someone helppp please??

Mathematics
1 answer:
Radda [10]3 years ago
3 0

Answer:

5.52

Hope this helped!

Step-by-step explanation:

Let c = cost of a spoon  

3c = cost of knife  

9c + 12(3c) = 82.80  

9c + 36c = 82.80  

c = 82.80/45  

= 1.84  

cost of 1 knife = 1.84 x 3  

= $5.52 check  

9*1.84 + 12*5.52 = 82.80

You might be interested in
Jasmine goes bowling. She has $25.00 spend. She spends $4.50 to rent shoes. She spends $2.50 for each game she
NeTakaya

Answer:

25.00 < (with a line  under it) 4.50+2.50x

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The parabola y=x^2 is shifted up by 8 units
dangina [55]

Answer:

It becomes y = x^2 + 8.

Step-by-step explanation:

The equation of the new parabola is y = x^2 + 8.

6 0
3 years ago
On a very cold morning, it was -7°F. As the day went on, the temperature rose 3 degrees each hour. Which equation shows the temp
Anastasy [175]
It is C. Yep. Hope it was helpful
7 0
3 years ago
The stones that make up Stonehenge in England are shaped roughly like rectangular prisms. The average stone in the outer circle
AnnyKZ [126]

find 1/2 then add the two base the multiply the h and divide by two

5 0
3 years ago
cho phương trình 2x^2-5x-9 có hai nghiệm là x1,x2. không giải phương trình, hãy tính giá trị của biểu thức A= x1^2+x2^2-2x1x2^2
irga5000 [103]

Step-by-step explanation:

please subscribe to my mom channel please

https://youtu.be/f_kgUUaMZlw

8 0
3 years ago
Other questions:
  • The number of counties in state A and the number of counties in state B are consecutive even integers whose sum is 162. If state
    15·1 answer
  • The perimeter of rectangle ABCD is 42 cm and the area is 80 cm2. Which equation can be used to find the dimensions of the rectan
    10·1 answer
  • A circular plate has circumference 28.9 inches. What is the area of this plate? Use 3.14 for pi.
    8·1 answer
  • Please help me do number 3 and number 4
    12·1 answer
  • The cost, in dollars, of producing x belts is given by C(x) = 634 + 18x - 0.071 x^2. Find the rate at which average cost is chan
    13·1 answer
  • Leah will purchase a DVD and a CD. Which algebraic expression could Leah use to find the value of these items?
    6·1 answer
  • I'm in summer school and need help. The situation that is best modeled by a discrete graph is
    6·2 answers
  • 6% of what number is 30
    8·1 answer
  • Teacher Thomas did a survey of primary 6 students to find out how the students go to school.the result are down. given that 110
    13·1 answer
  • What are the terms in the expression 10p + 3q + 2?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!