the graph models the cost of cheese pizza with extra toppings at two different restaurants. According to the graph, about how many pizza toppings must be added to make the cost of the pizzas equal? A. 5 B. 10 C. 12 D. 16

Answers

Answer 1

Answer:

The correct answer is A) 5.

This is a problem of solving two simultaneous equations and approximation. There are two functions for cost and we have to spot where they intersect. The two functions intersect at when the x variable which represents number of toppings is about 5. This value represents when customers buy cheese pizza with a total of 5 toppings.

The correct answer is A.5

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Represent the following statement by an equation:17 times the sum of a number n and 31 is 357?
What is the value of n?

Answers

17(n+31)=357
distribute:
17n+527=357
-527 -527
17n= -170
÷17 ÷17
n=-10

A: negative 10

which two numbers multiply to give you 100 and add to give you 10

Answers

The correct answer is:

There are no real numbers that fit these criteria.

Explanation:

Let x and y represent the two numbers we are looking for.

x*y = 100
x+y = 10

Solving for y,
x+y-x = 10-x
y = 10-x

Substituting this into our first equation, we have:
x(10-x) = 100

Using the distributive property,
x*10 - x*x = 100
10x - x² = 100

Writing this in standard form, we need to subtract 100 from each side:
10x - x² - 100 = 100 - 100
10x - x² - 100 = 0

In standard form, this is
-x²+10x-100 = 0.

This is in the form ax²+bx+c; in our equation, a = -1, b = 10 and c = -100.

We will use the quadratic formula for this:

$x=(-b \pm √(b^2-4ac))/(2a) \n \n=(-10\pm √(10^2-4(-1)(-100)))/(2(-1)) \n \n=(-10\pm √(100-400))/(-2) \n \n=(-10\pm √(-300))/(-2)$

There is no real square root of -300, so there are no real number solutions to this.

which two numbers multiply to give you 100 and add to give you 10:
x*y = 100
x+y = 10

x = 10 - y
x(10-x) = 100
10x - x^2 = 100

... I don t remember the delta statment :)

What is 1/5 of 45? please help my 10 yr. Old.

Answers

Answer:
9

Explanation:
To get the fraction of a number, you will simply multiply the fraction by the given number.

For the given, we want to find $(1)/(5)$ of 45.
This can be computed as follows:
$(1)/(5)$ of 45 = $(1)/(5)$ * 45

= $(1*45)/(5)$

= $(45)/(5)$

= 9

Therefore, $(1)/(5)$ of 45 is 9

Hope this helps :)

The product of the numbers 1/5 and 45 will be 9.

Given that:

Numbers, 1/5 and 45

It is also known as the product. If the object n is given to m times then we just simply multiply them.

The product of the numbers 1/5 and 45 will be calculated as,

⇒ 45 x 1/5

⇒ 45 / 5

⇒ 9

More about the multiplication link is given below.

brainly.com/question/19943359

#SPJ6

Which number will make the fractions equivalent 25/35

Answers

You could make an equivalent fraction by multiplying both numbers by 2.

$25*2=50\n35*2=70\n \n (50)/(70)$

$(25)/(35) = (25:5)/(35:5) = (5)/(7) \n \n (25)/(35) =(25\cdot2)/(35\cdot2)= (50)/(70) \n \n (25)/(35) = (25\cdot4)/(35\cdot4) = (100)/(140)\n \n (25)/(35) = (25\cdot10)/(35\cdot10) = (250)/(350)$