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3 years ago

PLEASE HELPPP! ILL GIVE 50 POINTS ACTUALLY PUT THE ANSWER PLEASE ..

Mathematics

2 answers:

alexandr1967 [171]3 years ago

5 0

Answer:

Part a), Part b) and Part c) see the explanation

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form or

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

Let

x -----> the amount of vinegar in tablespoons

y ----> the amount of oil in tablespoons

In this problem

The relationship between the variables x and y represent a proportional variation

The constant of proportionality k is equal to the ratio of the recipe

substitute

The linear equation is equal to

Explain the meaning of the point (1.1.5)

we have

x=1, y=1.5

In the context of the situation

This means ----->The amount of oil needed is 1 (tablespoon) if the amount of vinegar used is 1.5 (tablespoons) to make the salad dressing according to this recipe.

see the attached figure to better understand the problem

frosja888 [35]3 years ago

3 0

Answer:

how do i know you are not point scammer?????

Step-by-step explanation:

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A group of friends ordered 3 burgers and 3 medium fries for a total of $17.55. The price of a burger is .75 more than two times

Tatiana [17]

Answer:

Cost price of the burger = $4.15

Step-by-step explanation:

Given data:

3 burgers were ordered

3 medium fries were ordered

Total order cost 17.55

Let the price of the burger be X

Let the price of the medium fries be Y

Equation for the total sale will be 3X + 3Y = 17.55 (equation 1)

from this statement 'The price of a burger is .75 more than two times the price of medium fries.'

X - 2Y = 0.75 (equation 2)

There are now two equations and two unknowns, a simultaneous equation is solved to find the cost of the burger.

Many methods can be used to solve these equations but in this case substitution will be used

From equation 2

X = 0.75 + 2Y (equation 3)

Substituting equation 3 into equation 1

3(0.75 + 2Y) + 3Y = 17.55

2.25 + 6Y + 3Y = 17.55

6Y + 3Y = 17.55-2.25

9Y = 15.3

Y = 1.7

Substituting Y into equation 3

X = 0.75 + 2Y

X = 0.75 + 2(1.7)

X = 0.75 + 3.4

X = 4.15

Therefore the cost price of the burger is $4.15

6 0

3 years ago

The reciprocal of 1/8

Volgvan

Hey there!

Another name for "reciprocal" is inverse

1/8 reciprocal is 8/1

Answer: 8/1

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

7 0

3 years ago

Read 2 more answers

Mario made a table with the rules below

Lady_Fox [76]

It will be option A.
x - coordinate is 1. If we multiply 3 with 1, it will be 3. And if we multiply 3 with 3, it will be 9.
y- coordinate is 1. If we add 3 with 1, it will be 4. And adding 3 with 4, we get 7.

Answer:

a- (1,1) (3,4) (9,7)

Hope you could get an idea from here.

Doubt clarification - use comment section.

6 0

2 years ago

(1 pt) Which operation should be performed first according to the order of operations? 55 ÷ 11 + 16 • [12 • 3 + (54 ÷ 3) – 17] A

vredina [299]

You should do what is in the parentheses first

7 0

3 years ago

Read 2 more answers

9a - 3 (a - 6) = -6 a=___

leonid [27]

9a - 3(a - 6) = -6...distribute thru the parenthesis
9a - 3a + 18 = -6....subtract 18 from both sides
9a - 3a = -6 - 18 ...combine like terms
6a = - 24...divide both sides by 6
a = -24/6
a = - 4

7 0

3 years ago