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
Gwar [14]
2 years ago
8

Lesson 5 Practice Problems

Mathematics
2 answers:
nasty-shy [4]2 years ago
8 0

Answer:

Find out the how many pizzas are delivered to a customer who pays $80 .To proveAs It is not stated, but implied that all pizzas cost.

Step-by-step explanation:

brainliest please

olga2289 [7]2 years ago
3 0
Let the price of a pizza be x
Delivery charge be y
Cost of two pizzas = 2*x
2x+y=25. ————-(1)
Y=25-2x
Cost of 5 pizza = 5*x
5x+y=58. —————-(2)
Substitute y=25-2x in equation 2
5x +25-2x=58
3x+25=58
Subtract 25 from both sides
3x =58-25
3x=33
Divide both sides by 3
X=33/3
X=11
Plug-in x= 11 in equation 1
2*11+y=25
22+y=25
Y=25-22
Y=3
Cost of a pizza =$11
Delivery charge=$3

80-3=77
Number of pizzas delivered=77/11=7


7 pizzas are delivered
You might be interested in
Which section of the function is constant? <br><br> A <br> B<br> C<br> D
Sunny_sXe [5.5K]
Constant is occurring continuously over a period of time so C is the correct answer because C is constant for a period of time  
4 0
3 years ago
Read 2 more answers
Someone please help ?????
Amiraneli [1.4K]
U=40
I think am sure
8 0
3 years ago
The measures of an angle and its supplement differ by 40°. What are the measures of the angles? Hint: An angle and its supplemen
bogdanovich [222]
Let the two numbers be x and x + 40, then
x + x + 40 = 180
2x = 180 - 40 = 140
x = 140/2 = 70
Therefore, the measures of the two angles are 70° and 70 + 40 = 110°
3 0
3 years ago
if n is a positive integer, for what values of n is the function f(x) =x to the power of n a) even b) odd
Otrada [13]
f(x)=x^n;\ n\in\mathbb{Z^+}\\\\&#10;function\ is\ even\ when\ f(-x)=f(x)\\\\function\ is\ odd\ when\ f(-x)=-f(x)\\\\a)\ f(x)\ is\ even\ when\ n\ is\ even:f(-x)=(-x)^n=x^n=f(x)\\\\b)\ f(x)\ is\ odd\ when\ n\ is\ odd:f(-x)=(-x)^n=-x^n=-f(x)
5 0
3 years ago
Read 2 more answers
Which equations and/or functions represent the graphed line? Select three options.
Zarrin [17]

Answer:

f(x) = 0.5x + 2

f(x) = 1/2x + 2

y - 3 = 1/2(x - 2)

y - 1 = 0.5(x + 2)

Step-by-step explanation:

In the figure attached, the graphed line is shown.

The missing options are:

<em>f(x) = 0.2x - 4 </em>

<em>f(x) = 0.5x + 2  </em>

<em> f(x) = 1/2x + 2 </em>

<em> y – 3 = 1/2(x – 2) </em>

<em> y – 1 = 0.5(x + 2)</em>

From the picture, we can see that points (0, 2) and (2, 3) are on the line. Then, the slope of the line is:

m = (3 - 2)/(2 - 0) = 1/2 = 0.5

The y-intercept is (0, 2), or b = 2

Therefore, in the slope y-intercept form, the equation is:

f(x) = mx + b

f(x) = 1/2x + 2 = 0.5x + 2

In the point-slope form, the equations is:

y - y1 = m(x - x1)

y - 3 = 1/2(x - 2)

Using point (-2, 1), in the point-slope form, the equation is:

y - y1 = m(x - x1)

y - 1 = 0.5(x + 2)

3 0
3 years ago
Read 2 more answers
Other questions:
  • Eight minus two times a number is equal to the number plus 17. Find the number.
    12·2 answers
  • Lilli jogs 1/2 mile in 1/10 hour. What is Lilli's rate in miles per hour?
    14·2 answers
  • How do I solve the equation; 6(x^2-2)=12
    9·1 answer
  • Please help !!!!!!!!!!!!!!!!!!!!! 2-8
    8·1 answer
  • Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest
    11·1 answer
  • What’s the answer, and how do I find it step-by-step?
    7·1 answer
  • Greta currently works 45 hours per week and earns a weekly salary of $729. She
    14·1 answer
  • on a sunny day a goal post casts a 75 feet shadow. a 6 1/2 feet tall ball player standing next to the goal post has a shadow 19
    14·1 answer
  • What does the slope and the intercept mean in -3x +4y = 18
    5·1 answer
  • Find reason and statements
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!