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4 years ago

1+1? giving brainiest

Mathematics

1 answer:

cestrela7 [59]4 years ago

7 0

Answer:

uh 2 :)

Step-by-step explanation:

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at the fast food restaurant, four cheeseburgers and five small fries have a total of 2,310 calories. three cheeseburgers and two

qwelly [4]

Answer:

There are 230 calories in each cheeseburger and 290 calories in each small fries.

Step-by-step explanation:

Let us assume:

The calories in each cheeseburger = x

The calories in each small fries = y

So, the calories in 4 cheeseburger

=4 (calories in 1 cheeseburger ) = 4 x

and the calories in 5 small fries = 5(calories in 1 small fries ) =5 y

⇒ 4 x + 5 y = 2310

Similarly, calories in 3 cheeseburger

= 3 ( calories in 1 cheeseburger ) = 3 x

and the calories in 2 small fries = 2 (calories in 1 small fries )= 2 y

⇒ 3 x + 2 y = 1330

Solving the given system of equation:

4 x + 5 y = 2310 ............(1)

3 x + 2 y = 1330 ............. (2)

Multiply equation (1) with (-3) , and (2) by 4 and add both equation.

-12 x - 15 y + 12 x + 8 y = -6930 + 5320

or, - 7 y = -1610

⇒ y = 1610 / 7 = 230 , or y = 230

Putting this in (2) , we get 3 x + 2 y = 1330

⇒ 3 x + 2(230) = 1330 or, 3 x = 1330 - 460 = 870

or, x = 870/3 = 290

⇒ x = 290

Hence, there are 230 calories in each cheeseburger.

There are 290 calories in each small fries.

3 0

3 years ago

What is the average rate of change of the function over the interval x = 0 to x = 8?

goblinko [34]

Answer:

-13/400

Step-by-step explanation:

The pertinent formula is

change in f(x) over [a, b] f(8) - f(0)

a. r. of change = --------------------------------------- = ----------------

change in x over [a, b] 8 - 0

Continuing these calculations, we get:

2(8) - 2 2(0) - 2 14/8 -2/8

(1/8) -------------- - (1/8) ------------- = ----------- - -----------

5(8) - 6 5(0) - 6 40 - 6 -6

7/4 1/4

This simplifies to average rate of change = ------- - --------

34 6

7 1

= ------------- - ---------- = -13/400

136 24

8 0

3 years ago

Help help help please

Archy [21]

that makes the equation of the line perpendicular to it to be -1 / (1/6) = -6

the general equation in point slope form is

y-y1 = m(x-x1) where m=slope and (x1,y1) = point on the line

so here we have:-

y - 23 = 6(x -(-3)

y - 23 = 6x + 18

y = 6x + 41

thats the answer

3 0

3 years ago

How do I solve problems like this?

iris [78.8K]

I think u have to add the fractions or multiply them

4 0

3 years ago

Analyze the asymptotes of the function.

koban [17]

Answer:

vertical asymptote at x=-1

horizontal asymptote at y=0

Step-by-step explanation:

$y=\frac{1}{x+1}$

To find vertical asymptote we set the denominator =0 and solve for x

x+1=0 (subtract 1 from both sides)

x=-1

So, vertical asymptote at x=-1

To find horizontal asymptote we look at the degree of both numerator and denominator

there is no variable at the numerator , so degree of numerator =0

degree of denominator =1

When the degree of numerator is less than the degree of denominator

then horizontal asymptote at y=0

5 0

3 years ago