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3 years ago

Please help me.

Mathematics

2 answers:

pshichka [43]3 years ago

5 0

Answer:

$(1,K)$

Step-by-step explanation:

According to the problem, the mixture must contain K ounces of oil for every gallon of gasoline. That is, each gallon of gasoline equals K ounces, this can be expressed as

$(1,K)$

Where $x=1$ expresses each gallon of gasoline and $y=K$ represents ounces of oil.

Therefore, the coordinate on the graph must represent $(1,K)$ , that is, K ounces of oil per gallon of gasoline.

Paul [167]3 years ago

3 0

Answer:

(1,K) hope i could help

Step-by-step explanation:

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A line passes through (-1,7)and(2, 10)

kumpel [21]

Slope
m = (y2-y1)/(x2-x1)
m = (10 - 7)/(2 --1)
m = 3/3
m = 1

To find the equation
y = mx + b
m is slope
y = 1x + b
plug in one of the equations to solve for b
10 = 1(2) + b
10 = 2 + b
subtract 2 from both sides
8 = b

The equation is
y = 1x + 8
or you can write it as
y = x + 8

Hope this helps

3 0

3 years ago

Jessica has 48 coins, some of them are nickels and some are dimes. How many of each does she have if she has $3.25 total? 69 POI

Mrrafil [7]

<u>Answer:</u>

Nickels = 44.6

Dimes = 3.4

<u>Step-by-step explanation:</u>

We know that Jessica has 48 coins of which some are nickels and some are dimes so we can write it as:

n = amount of nickels

d = amount of dimes

$n+d=48$ --- (1)

We are to find the number of nickels and dimes if their total worth is $3.25.

Since a dime is worth 10¢ and a nickel is 5¢, so it should be:

$0.05n + 0.3d = 3.25$ --- (2)

From (1):

$n=48-d$

Substituting this value of $n$ in (2) to get:

$0.05(48-d) + 0.3d = 3.25$

$2.4-0.05d+0.3d=3.25$

$2.4+0.25d=3.25$

$0.25d=0.85$

$d=3.4$

Finding $n$ by substituting the value of $d$ :

$n=48-d$

$n=48-3.4$

$n=44.6$

6 0

3 years ago

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Which of the following situations must all bills go through? Select all that apply.

sukhopar [10]

The believe that the best answer among the choices provided by the question is 2)the bill is reviewed by a committee made up of both Democrats and Republicans and "marked up" or amended to reflect the desires of the committee.
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.

3 0

3 years ago

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Megan buys a 2-quart bottle of juice for $2.56. What is the unit rate of the cost of the juice?

Mila [183]

Answer: $0.04 per fluid ounce.

Step-by-step explanation:

Let's conver 2 quarts to ounces, as following:

$(2\ quarts)(\frac{32\ ounces}{1\ quarts})=64\ ounces$

You know that she buys a 2-quart bottle of juice (or 64 ounces) for $2.56, therefore, to find the unit rate of the cost of the juice you must divide $2.56 by 64 ounces.

Then, you obtain the following result:

$=\frac{2.56dollars}{64\ ounces}=0.04\frac{dollars}{ounces}$

( $0.04 per fluid ounce)

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3 years ago

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arsen [322]

Answer:

Step-by-step explanation:

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3 years ago