A supermarket is having a sale on canned foods. The sale includes 10 cans of beans for $12.50. What is the unit price per can of beans? A $0.80 C $1.75 B $1.25 D $2.25
(please show steps if you can)
thanks

Answer:

Against the direction of the wind is [tex]x-10=35-10=25\ \text{mph}[/tex] and with the wind is [tex]x+10=35+10=45\ \text{mph}[/tex]

Step-by-step explanation:

Let x be the speed of the hawk in still air

The speed of the wind is 10 mph

So speed of the hawk when flying against the wind is [tex]x-10[/tex] and with the wind is [tex]x+10[/tex].

Distance the hawk travels when going against the wind is 50 miles and going with the wind is 90 miles

The hawk covers the above mentioned distances in the same amount of time.

[tex]\text{Time}=\dfrac{\text{Distance}}{\text{Speed}}[/tex]

[tex]\dfrac{50}{x-10}=\dfrac{90}{x+10}\\\Rightarrow \dfrac{50}{x-10}-\dfrac{90}{x+10}=0\\\Rightarrow \dfrac{50(x+10)-90(x-10)}{x^2-100}=0\\\Rightarrow 50x+500-90x+900=0\\\Rightarrow -40x+1400=0\\\Rightarrow x=\dfrac{1400}{40}\\\Rightarrow x=35\ \text{mph}[/tex]

The speed of the hawk in still air is 35 mph.

Speed of the hawk against the direction of the wind is [tex]x-10=35-10=25\ \text{mph}[/tex] and with the wind is [tex]x+10=35+10=45\ \text{mph}[/tex].

Step-by-step explanation:

Let second side = x

First side = 3+x

Third side = 3(3+x) = 9 +3x

The perimeter of a triangle = 25 cm

Perimeter = sum of all sides

So,

x + 3 + x + 9 +3x = 25

12 + 5x = 25

5x = 13

x = 2.6 cm

First side = 3 + x = 5.6 cm

Second side = x = 2.6 cm

Third side = 9+3(2.6) = 16.8 cm

Answer:

17xn

Step-by-step explanation:

Answer:

4 is your answer :) yayy

Answer: Your answer is 4

Step-by-step explanation: If you have 2 blocks, and someone gives you 2 more, you now have 4 blocks in total. Hoped this helped you. Have a wonderful day!!!

Answer:

I think it's (-13,0)

Step-by-step explanation:

4x - 3y > 9

3y - 9 =x

y=-13

(-13,0)

Plz forgive me if i did that wrong I did try lol

Answer:

19

Step-by-step explanation:

20% of 95 is 19 :)

Answer:

8

Step-by-step explanation:2 times 2 times 2

Answer:

 A

Step-by-step explanation:

Answer:

y= 1/2

Explanation:

Answer:

girlfriend

Step-by-step explanation:

Answer:

4

Step-by-step explanation:

slope = dy/dx

We can see a dy (delta y) of 4 together with a dx of 1. In other words, when you step 1 to the right, you go up 4.

Answer:

the slope is-- 4/1 and the y intercept is where the line touches the vertical line. sorry the picture in not clear,so i could not see the number

Step-by-step explanation:

Answer:

1  7 /25

Step-by-step explanation:

bc i did the math

Answer:

32/25

& Ig it's just cause math says so. I mean 24/25 then 3/4 then that divided by it

Step-by-step explanation:

Answer: y(x) = (2/3)*(x + 1)^(3/2) + 1/3.

Step-by-step explanation:

We have the differential equation:

2*y'(x)*y''(x) = 1.

y(0) = 2

y'(0) = 1.

I will use the change:

u = y'

u'= y''

Then we must solve:

2*u*u' = 1.

The product does not depend on x:

u*u' = 1/2.

By looking at the problem, i know that the functions must be something like:

u = a*(x + b)^n

Where a and b are real numbers.

u' = n*a*(x + b)^(n - 1)

such that:

(x + b)^n*(x + b)^(n - 1) does not depend on x

This means that:

(x + b)^n*(x + b)^(n - 1)  = (x + b)^(n + n - 1) = 0

n + n - 1 = 0

2n = 1

n = 1/2

Then:

u = a*(x + b)^(1/2)

u' = (a/2)*(x + b)^(-1/2)

The differential equation becomes:

u*u' = 1/2

a*(x + b)^(1/2)* (a/2)*(x + b)^(-1/2) = 1/2

(1/2)*a^2 = 1/2

a^2 = 1.

And by the initial conditions, we have:

y'(0) = u(0) = 1

then:

u(0) = a*(0 + b)^(1/2) = a*b^(1/2) = 1

now, if a = -1, then b^(1/2) must be negative, this can not really be then we must have:

a = 1

u(0) = 1*b^(1/2) = 1

then b = 1.

u(x) = (x + 1)^(1/2).

And remember that y'(x) = u(x).

Then we need to integrate u(x) over x.

let's use the change of variables:

w = x +  1

dw = dx

Then the integration of u(x) is:

y(w) = ∫(w)^(1/2)dw = (2/3)*w^(3/2) + c

where c is a constant of integration.

now we can go back to x:

y(x) = (2/3)*(x + 1)^(3/2) + c

And we know that:

y(0) = 1 = (2/3)*(0 + 1)^(3/2) + c

         1 = (2/3)*1 + c

1 - 2/3 = c

     1/3 = c

Then:

y(x) = (2/3)*(x + 1)^(3/2) + 1/3.

Answer:

Answer is 74 square units

Step-by-step explanation:

I took the quiz.

Answer:

The first one is d: x=0 or x=6

the second one is the 3rd one

Step-by-step explanation:

The roots of the quadratic equation will be -

{x} = (1 ± i√29)/5

Given is the quadratic equation as -

5x² - 2x + 6 = 0

We can write the roots as -

{x} = {- b ± √(b² - 4ac)/2a}

{x} = (2 ± √-116)/10

{x} = (2 ± i 2√29)/10

{x} = 2(1 ± i√29)/10

{x} = (1 ± i√29)/5

Therefore, the roots of the quadratic equation will be -

{x} = (1 ± i√29)/5

To solve more questions on quadratic equations, visit the link below -

brainly.com/question/1041084

#SPJ6

0.0375 did you mean 80÷3 if so 26.6

The first answer is messed up at the 3+9 part because they were supposed to multiply 9 and 2 first.

The second answer is messed up at the beginning because they didnt to the parenthesis first.

Follow PEMDAS

Answer:

Weren’t supposed to add until the end

It was supposed to be 81 not 27

Step-by-step explanation:

Answer: 14

Step-by-step explanation: the area is found by base x height. the area is 1/2 and the base is 3/4.  so what we wanna do is 4/3 x 21/2 which gets us our answer, 14.

Answer:

The probability is 2/5

Answer:

6/10

Step-by-step explanation:

as you said it easy.

Answer:

$130/4

Step-by-step explanation:

Answer:

1 gallon of gas is $2.75

Step-by-step explanation:

becuase 22 divided by 8 (since they put 8 gallons in) = 2.75

Answer:

2.75

Step-by-step explanation:

Answer:

10 dollars?

Step-by-step explanation:

Answer:

$10 dollars

Step-by-step explanation:

Answer:

Rise/Run= 1/2

Step-by-step explanation:

Answer:

X could be any number from 1-6

Step-by-step explanation:

Because 2 multiplied by 1-6 equals a number lower than 16

Answer:

i wish i could help so sorry

Step-by-step explanation:

Answer:

+) m∠1 = m∠2 (vertical angles theorem)

+) m∠2 and ∠3 are supplementary (because a//b)

+)m∠3 = m∠4 (alternate interior angles theorem, c//d)

=> ∠1 and ∠4 are supplementary (substitution property of equality)

Step-by-step explanation:

Answer:

h=-41/2

Step-by-step explanation:

Answer:

|7h+ 1| = |3h - 7|

Exact Form:

h  =  − 2 ,  3 /5

Decimal Form:

h  =  − 2 , 0.6

Answer:

Equals means a person or thing considered to be the same as another in status or quality.

Or the mathmatic term is be the same as in number or amount.