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vlada-n [284]
3 years ago
12

Rose is ordering a submarine sandwich from the comer del The del charges $6.25 for a 7-inch sub Additional toppings cost extra.

Rosa's sandwich
two extra loppings costs $7.75. What is the cost per additional topping?
per topping
Mathematics
1 answer:
dybincka [34]3 years ago
6 0
Rose is ordering a submarine sandwich from the comer del The del charges $6.25 for a 7-inch sub Additional toppings cost extra. Rosa's sandwich
two extra loppings costs $7.75. What is the cost per additional topping?
per topping
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What is the measure of ∠K?
Ierofanga [76]
All the angles of a triangle equal 180. 101+33=144. 180-144=36. k=36
4 0
3 years ago
Three times the sum of a number and 4 is the same as 18 more than the number
11Alexandr11 [23.1K]
First, figure out what you do and don't know....
You do know that 3 times the sum of a number and 4 is 18 more than the number....you don't know the number so you make it the variable x 
now take 3 times the sum of a number and 4 and make that an expression 3x+4 this expression is the same or equal to the sum of x and 18 x+18
3x+4=x+18
2x+4=18
2x=14
x=7
hope this helped :)
         
5 0
3 years ago
How is trigonometry used to locate the position of a wildfire.
Dahasolnce [82]

Answer:

Sine Function sin Opposite side/ Hypotenuse

Tangent Function tan Opposite side / Adjacent side

Cosine Function cos Adjacent side / Hypotenuse

Cosecant Function cosec Hypotenuse / Opposite side

Step-by-step explanation:

Your welcome

5 0
3 years ago
PLEASE HELP!!!!!!!!!!!!1
skelet666 [1.2K]
A. Let x = cheese and
y = chocolate
2x + y = 25
x + y = 20

B. Subtract the second equation from the first.
2x + y = 25
-(x + y = 20)
-—————
x = 5

Plug 5 back in to the second equation and solve for y.
x + y = 20
5 + y = 20
Subtract 5 from both sides.
y = 15
5 cheese and 15 chocolate

Used elimination method because coefficients on the y values were both 1 so it was easy to subtract the equations and eliminate the y variable.


5 0
3 years ago
Do you agree with the statement that " cubic functions must have at least 1 x-intercept but not more than 3, whereas quadratic f
vladimir2022 [97]

Answer:

Yes, I agree

Step-by-step explanation:

For the cubic function

A cubic function is represented as:

f(x)=ax^3+bx^2+cx+d

A cubic function may have 1, 2 or 3 x intercepts. This is shown below

For 3 x intercepts

y = x^3 - x

Equate y to 0

x^3 - x = 0

Expand

x(x^2 - 1) = 0

Express x^2 - 1 as difference of two squares

x(x - 1)(x +1 ) = 0

<em>x = 0 or 1 or -1</em>

For 2 x intercepts

y = x^3 - x

y  =(x-5)^2)(x+7)

Equate y to 0

(x-5)^2(x+7) = 0

Expand

(x-5)(x-5)(x+7) = 0

<em>x= 5 or x = -7</em>

For 1 x intercept

y = x^3

Equate y to 0

x^3 = 0

Take cube roots of both sides

x = 0

It has been shown above that a cubic function may have 1, 2 or 3.

So, I agree to the statement

For the quadratic function

A quadratic function will not have any x intercept when the function can not be factorized;

E.g.

y = x^2 + x + 17

<em>The above function has no x intercept.</em>

A quadratic function will have at least 1 x intercept when the function can be factorized;

E.g.

y = x^2- 6x + 9

Equate y to 0

x^2- 6x + 9 = 0

Expand

x^2 - 3x - 3x + 9 = 0

(x - 3)(x-3) = 0

x = 3

We've shown that a quadratic may have no x intercept, and it may also have x intercept(s)

Hence, I agree to both statement

3 0
3 years ago
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