Please please help me!!!

Please Please Help Me!!!

Answers

Answer 1

Answer:

✔️The correct system of linear equations:

2x + 3y = 34

3x + 2y = 36

Cost of each roast beef sandwich: $8

Cost of each turkey sandwich: $6

Step-by-step explanation:

Cost of each roast beef sandwich = x

Cost of each turkey sandwich = y

First platter consists of:

2 roast beef sandwiches, which costs 2 × x = 2x, and,

3 turkey sandwiches, which costs 3 × y = 3y.

Total cost of first platter is $34.

Thus, an equation that represents this scenario would be:

2x + 3y = 34.

The other platter consists of:

3 roast beef sandwiches, which costs 3 × x = 3x, and,

2 turkey sandwiches, which costs 2 × y = 2y.

Total cost is $36.

Thus, an equation that represents this scenario would be:

3x + 2y = 36.

The correct system of linear equations would be:

2x + 3y = 34

3x + 2y = 36

Find the value of x and y by solving simultaneously.

Thus:

2x + 3y = 34 ----› Eqn. 1 × 2

3x + 2y = 36 ----› Eqn. 2 × 3

4x + 6y = 68

9x + 6y = 108

Subtract

-5x = - 40

Divide both sides by -5

x = 8

Cost of each roast beef sandwich = x = $8

Substitute x = 8 into eqn. 1.

2x + 3y = 34 ----› Eqn.

2(8) + 3y = 34

16 + 3y = 34

3y = 34 - 16

3y = 18

Divide both sides by 3

y = 6

Cost of each turkey sandwich = y = $6


Related Questions

this is what the problem says
Assuming all parabolas are of the form y=ax^2+bx+c, drag and drop the graphs to match the appropriate a-value​

Answers

9514 1404 393

Answer:

  graphs left to right have a=1, a=0.25, a=-1

Step-by-step explanation:

A negative value of 'a' makes the parabola open downward, so the rightmost graph goes with a=-1.

A value of 'a' less than 1 flattens the graph, so the middle graph goes with a=0.25.

A value of 1 gives a standard open-upward parabola, corresponding to the leftmost graph.

Answer: it’s already in the correct order.

Step-by-step explanation:

Points..................

Answers

Answer: Is it is free points and if thank you so much

On a spelling test, Lucy spelled 4
out of 5 words correctly. If Lucy
spelled 20 words correctly, how
many words did she misspell?

Answers

Answer:

5 words

Step-by-step explanation:

She misspelled 4 words because you have to multiply 5x4=20 so you have to do 4x4=16 so she misspelled 4 words

Name another name for slope.
I’ll mark you brainlyist

Answers

Answer:

dip, tilt, slant, incline, descend

Please answer this correctly without making mistakes

Answers

Answer:

2nd one is corect

60% is 93.49$ but u are getting 100$ discount so 2nd is ans

help pleaseeeeee

Let f(x) = x + 6x and g(x) = 5-x

Find (fg)(4).

Answers

Answer:7

Step-by-step explanation:

1st,
g(x) = 5-x
g(4) = 5-4 = 1

then
f(x) = x^2+6x
(fg)(4) = f(g(4)) = 1^2+6(1) = 1+6 = 7

Step-by-step explanation:

you can ask questions for clarification

A lacrosse field is rectangular with a length of 110 yards and a width of 60 yards. Which side lengths could be used to create a scale drawing of the field?

Answers

The area of the Lacrosse field with a length of 110 yards and a width of 60 yards is 6600 yard²

What is an equation?

An equation is an expression that shows the relationship between two or more numbers and variables.

The area of a rectangle is the product of its length and its width. A lacrosse field is rectangular with a length of 110 yards and a width of 60 yards, hence:

Area = length * width = 110 * 60 = 6600 yard²

Scale ratio can be 1:55

The area of the Lacrosse field with a length of 110 yards and a width of 60 yards is 6600 yard²

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Ella measured the height of a in inches every week for four weeks after planting it what is the best prediction for the height of the plant after 12 weeks

Answers

Complete question is;

Elle Measured the height of a plant, in inches,Every week for four weeks after planting it.

The height of the plant, h, in inches, Can be modeled by the function h(t) = 1.5t + 3, where t represents the time in weeks.

Based on this model, what is the best prediction for the height of the plant after 12 weeks?

A 16.5 inches

B 21 inches

C 22.5 inches

D 27.3 inches

Answer:

Option B: 21 inches

Step-by-step explanation:

We are given the function h(t) = 1.5t + 3, where t represents the time in weeks.

At t = 0;

h(0): 1.5(0) + 3 = 3inches

At t = 1;

h(1): 1.5(1) + 3 = 4.5 inches

Thus, after 12 weeks, height will be;

h(12): 1.5(12) + 3 = 21 inches

Option B is correct

WILL MARK BRAINLIEST Answer question and give the answer as an improper fraction in the most simple form. Thank you!

Answers

Step-by-step explanation:

3 13

- ------ + ------ <-------- Fraction bar

8 6

1. Get both fractions to have the same denominator which is 24 because it is the Least Common Multiple (LCM) - 1st fraction multiply by 3 on numerator and denominator, 2nd fraction multiply by 4 on numerator and denominator.

9 52

- ------ + ----- <-------- Fraction bar

24 24

2. Subtract the two fractions - there is a negative number and positive number, so we need to subtract even though it is addition because they are different signs. The answer is positive because it is the bigger number.

43

= ------ <-------- Fraction bar

24

3. The answer is already simplified because there are no common factors for 43 and 24. So the final answer is ...

43

------ <-------- Fraction bar

24

Hope this helps :)

Slope = 3/2, y-intercept = 0

Answers

what's the question?

the answer is y=3/2+0

Step-by-step explanation:

the equation for the answer is y=mx+b m repusents slope and the y-intercept repusents b i hope this helps you out.

what is the value of x?
x + 4/9 = 3/4
a. 11/36
b. 1/3
c. 1 11/16
d. 1 7/16

Answers

Answer:

option a is correct

Step-by-step explanation:

please mark me brainliest and 5 star

Answer:

The answere is a 11/36

Step-by-step explanation:

Hope this help :)

2. A car travels 385 miles in 2 hours (with a constant speed). How far can it travel in 5 hours (with the
same speed)?

Answers

Answer:

77 Miles Per Hour

Step-by-step explanation:

Its that

Answer:

962.5 miles

Step-by-step explanation:

385 / 2 = 192.5

this is the amount per hour

192.5 times 5 = 962.5

7.) After 4 new students joined a class, the class had 32 students. Which equation can be used to find n, the number of students in the class before the 4 new students joined? n A 32 का B 0-4 = 32 C 4n = 32 Dn+4 = 32

help pls​

Answers

Answer:

Uh I’m not sure about those answers sorry

Step-by-step explanation:

Huey is reading a book that is 697 pages long. He tells a friend that he is about 3/4 of the way done. About how many more pages must Huey read before he finishes the book?

is it
A.160
B.175
C.250
D.150

Answers

Answer:

B. 175

Step-by-step explanation:

There are 2 ways that we can find the answer to this question:

1. Take 1/4 of 697

2. Take 3/4 of 697 and minus the product from 697.

Let's do it both ways:

If we are doing it the first way it would look like this:

(1/4)(697) = 175

Note that we get 1/4 because Huey already read 3/4 of the book so he has 1/4 left.

The second way would look like this:

(3/4)(697) = 523

679 - 523 = 174 (roughly 175)

Therefore, the answer to your question would be B. 175.

I hope this helps!!

- Kay :)

Jared wants to buy a young pig to raise for the country fair. The pig costs $75, and there is a $1.50 processing fee to pay with a check.

what is the total cost of buying the pig with a check? ​

Answers

Step-by-step explanation:

So the pig costs 75 and the fee is 1.50

what we need to do is add the decimal and whole number to get an answer

we know that $75 is written like this in decimal form 75.00 now let's add

+ 75.00

1.50

---------

76 .50

THE ANSWER IS $76.50

Find the circumference of the circle use 3.14 for
Pi Round to the nearest hundred put the answer in cm

Need ASAP if u don’t know the answer don’t answer

Answers

Answer:

47.1 cm

Step-by-step explanation:

The circumference of a circle is denoted by C = 2πr, where r is the radius.

Here, we see that the given radius is 7.5, so r = 7.5 cm. We also are given that we need to use the approximation 3.14 for π, so plug all these into the formula:

C = 2πr

C = 2 * 3.14 * 7.5 = 47.1

To round this to the nearest hundredth... well, there's no hundredth place, so we can leave this as is or just write 47.10 cm.

Thus, the circumference is 47.1 cm.

Based on the family the graph below belongs to, which equation could represent the graph?

Answers

theres no graph man i wish i could help

Describe the domain and range.
1. r(x) = | |x|

Answers

Domain of r(x) = |x| is ( −∞, ∞ ) , { x | x ∈ R }

Range of r(x) = |x| is [ 0 , ∞ ) , { y | y ≥ 0 }

The domain of a function is defined as the set of values that we are allowed to enter into the function. This set is a bunch of x values in a function such as r(x).

The domain of the given function r(x) is all real numbers except where this expression, r(x) = |x| is undefined. In this question, there is no real number that makes this expression undefined.

The interval is denoted as ( −∞ , ∞ ).

The set builder is denoted as { x | x ∈ R }.

The range of a function is defined as the set of values that the function can assume. This set is a bunch of the values that the function shoots out after we enter a x value in. The range is a set of all valid y values. We have to use the graph to find the range.

The interval is denoted as [ 0 , ∞ )

The set builder is denoted as { y | y ≥ 0 }

Therefore, we get the domain and range as,

Domain of r(x) = |x| is ( −∞, ∞ ) , { x | x ∈ R }

Range of r(x) = |x| is [ 0 , ∞ ) , { y | y ≥ 0 }

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The midpoint of
¯¯¯¯¯¯
C
D
is
E
(

1
,
0
)
. One endpoint is
C
(
5
,
2
)
. What are the coordinates of the other endpoint?

Answers

The co-ordinates of D is if the midpoint E is at (-1,0 )which is calculated using the section formula.

In coordinate geometry, the Section formula is used to determine the internal or external ratio at which a line segment is divided by a point. It is used to determine a triangle's centroid, incenter, and excentre.

The midpoint of a line segment is known as the midpoint in geometry. It is the centroid of the segment and of the ends, and it is equally distant from both of them. It cuts the section in half.

The section formula is given by:

[tex]{\displaystyle P=\left({\frac {mx_{2}+nx_{1}}{m+n}},{\frac {my_{2}+ny_{1}}{m+n}}\right)}[/tex]

where (x₁ ,y₁) and (x₂ ,y₂) are the two endpoints of the line -segment.

The midpoint is calculated by:

[tex]{\displaystyle Q=\left({\dfrac {x_{1}+x_{2}}{2}},{\dfrac {y_{1}+y_{2}}{2}}\right)}[/tex]

where (x₁ ,y₁) and (x₂ ,y₂) are the two endpoints of the line -segment.

Now the given co-ordinates of the points are C(5, 2) and the midpoint is E(-1 , 0). Now to find the co-ordinates of D we have to use the midpoint formula.

Let the co-ordinate's of D be (a , b) then by using the above midpoint formula we get:

-1 = (5+a) ÷ 2

or, a = -2 -5

or, a = -7

again

0 = (2+b) ÷ 2

or, b = -2

Hence the co-ordinates of D is (-7 , -2)

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The store is selling lemons at $0.66 each. Each lemon yields about 2 tablespoons of juice. How much will it cost to buy enough lemons to make three 9-inch lemon pies,each requiring half a cup of lemon juice ​

Answers

Answer:

It will cost $7.92

Step-by-step explanation:

We will need to find out how many table spoons of lemon we will need first.

We need to make 3 pies requiring half a cup of lemon juice.

3 * 1/2 = 1.5 cups

We convert the cups to tablespoons

1.5 * 16 = 24 tablespoons

Then, since each lemon yields two tablespoons, we divide the tablespoons required by two. This is to find the number of lemons we need.

24/2 = 12

We multiply lemons by the price the store is selling them.

12 * $0.66 = $7.92

This is the price to buy enough lemons to make the 9-inch lemon pies.

Don’t judge
Heeeweeeeeeeeeeelllllllllllp

Answers

n^2-5n-2 I think is the answer if not sorry.

Fredo pays 79.65 for twenty-seven 17 count boxes of granola bars. How much does 1 box of granola bars cost?

Answers

it is going to be 2.95 because 79.65 divided by 27 equals 2.95

have a good day mate!

The value of x for which 3 (x-2) = 2 (x+1)​

Answers

Answer:

x = 8

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define equation

3(x - 2) = 2(x + 1)

Step 2: Solve for x

Distribute:                                     3x - 6 = 2x + 2Subtract 2x on both sides:          x - 6 = 2Add 6 to both sides:                    x = 8

Step 3: Check

Plug in x into the original equation to verify it's a solution.

Substitute in x:                    3(8 - 2) = 2(8 + 1)Subtract/Add:                      3(6) = 2(9)Multiply:                               18 = 18

Here we see that 18 does indeed equal 18.

∴ x = 8 is a solution to the equation.

18. Nine cartons of juice cost the same as 5 fruit cups. Also, one fruit cup costs 50¢ more than one bowl of soup, while one bowl of soup costs 50¢ more than one carton of juice. What would be the cost of each item: a carton of juice, a fruit cup, and a bowl of soup?​

Answers

Answer: bowl of soup=$1.75

carton of juice=$1.25

fruit cup=$2.25

Step-by-step explanation:

j=carton of juice. f=fruit cup. s=bowl of soup.

9j=5f

f=s+0.5 ==> 0.5 dollars is 50 cents

s=j+0.5

j=s-0.5

9(s-0.5)=5(s+0.5)

9s-4.5=5s+2.5

4s-4.5=2.5

4s=7

s=7/4

s=$1.75

s=j+0.5

1.75=j+0.5

j=$1.25

f=1.75+0.5

f=$2.25

Find a value for x that will make each of the following equations true. 2. x+8=21 b. 8-32=55 c. 3x=54 d. x/5=10

Answers

Answer:

Step-by-step explanation:

that’s hard

Mai runs 3 laps around the track in 4 minutes
How many minutes per lap is that?

Answers

I think it might be 1.2

single fraction in its simplest form​

Answers

Answer: [tex]\frac{5}{(x+1)(x+5)}[/tex]

Step-by-step explanation:

[tex]\frac{5}{x+5} - \frac{5x}{x^2+6x+5}[/tex]=

[tex]\frac{5}{x+5} - \frac{5x}{(x+1)(x+5)}[/tex]=

[tex]\frac{5(x+1)}{(x+1)(x+5)} - \frac{5x}{(x+1)(x+5)}[/tex]=

[tex]\frac{5(x+1)-5x}{(x+1)(x+5)}[/tex]=

[tex]\frac{5x+5-5x}{(x+1)(x+5)}[/tex]=[tex]\frac{5}{(x+1)(x+5)}[/tex]

What percent of 19 is 4.75?

Answers

Answer:

25%

Step-by-step explanation:

1. 4.75/19 = .25

2. .25 = 25%

The class can contain at most 28 students.

Answers

Answer:

s < 28

Step-by-step explanation:

is 67 prime or composite and explain​

Answers

Answer:

67 is Prime.

Step-by-step explanation:

It is a prime number because it only had 2 factors. 1 and 67. No other numbers can be multiplied to get this number.

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