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3 years ago

Corey bought 2 1/2 litters of paint for $60. What was the cost per liter of paint?

Mathematics

2 answers:

Afina-wow [57]3 years ago

5 0

2 1/2 liters of paint cost $60 so than 1 liter cost $24

schepotkina [342]3 years ago

4 0

I hope this helps you

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1. You are standing on top of a ridge using a clinometer trying to figure out how far your dog has wandered off in

olga_2 [115]

Given:

It is given that the ridge is 360 inches tall.

Assumptions:

Assume you are 170.1 cm tall which equals 67 inches tall, the height from your eye to the floor is $360+67 = 427$ inches.

The distance from your eye level to the bottom of the ridge is 427 inches.

Assume the angle A is 60°.

To find the distance from you to your dog.

Solution:

A right-angled triangle can be formed where the angle is 60°, the distance between you and the dog is the hypotenuse of the triangle and your height from the floor is the adjacent side of the triangle.

Assume the hypotenuse of the triangle measures x inches.

To determine the length of the hypotenuse, we determine the cos of the angle.

$cos \theta = \frac{adjacent side}{hypotenuse} .$

$cos A = \frac{427}{x} , x = \frac{427}{cos60} , cos60=0.5.$

$x=\frac{427}{0.5} = 854.$

So if the ridge is 360 inches tall and you are 67 inches tall and the angle A is 60°, the distance between your dog and you is 854 inches.

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3 years ago

Laura is the fundraising manager for a local charity. She is ordering caps for a upcoming charity walk. The company that makes t

Viefleur [7K]

The largest number of caps Laura can purchase is 162.

x(number of caps)6 + 25 = c (cost)

(162)6 + 25 = 997

972 + 25 = 997

Hope this helps! <3

4 0

4 years ago

A coin contains 9 grams of nickel and 16 grams of copper, for a total weight of 25 grams. What percentage of the metal in the co

Leya [2.2K]

X for coin Y for copper
9X+16Y=25

5 0

3 years ago

Read 2 more answers

X^2 +x-6=0 How to solve this ?

Svetach [21]

Answer:

x = 2, x = -3

Step-by-step explanation:

We are given the following quadratic equation and we are to solve it for x:

$x ^ 2 + x - 6 = 0$

We need to find such factors of -6 that when added give a result of 1 and when multiplied, give a product of -6.

$x ^ 2 + x - 6 = 0$

$x ^ 2 - 2x + 3x - 6 = 0$

$x ( x - 2 ) + 3 ( x - 2 ) = 0$

$(x-2) = 0, (x+3)=0$

x = 2, x = -3

6 0

3 years ago

The value of x varies with y and when x=1/3 y=12 write an equationto represent the variation

Virty [35]

Answer:

y = 36x

Step-by-step explanation:

Given that x and y vary directly then the equation relating the is

y = kx ← k is the constant of variation

To find k use the condition x = $\frac{1}{3}$ , y = 12, then

k = $\frac{y}{x}$ = $\frac{12}{\frac{1}{3} }$ = 12 × 3 = 36

y = 36x ← equation of variation

5 0

3 years ago