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labwork [276]
3 years ago
14

What is the solution to the system of equations? 6 x + 2 y = 6. 7 x + 3 y = 5. (Negative 3, 2) (Negative 1, 6) (2, Negative 3) (

6, Negative 1)
Mathematics
1 answer:
atroni [7]3 years ago
4 0

Answer:

(2, -3)

Step-by-step explanation:

These are the steps I used:

(6x+2y=6) x3 -> 18x+6y=18

(7x+3y=5) x2 -> 14x+6y=10

When you subtract the equations you get:

4x=8

x=2

You might be interested in
A sum of money was shared among Daniel Elliot and frank in the ratio 5 : 7 : 8 . If frank shares was $2,781 more than Daniel sha
aliya0001 [1]

Answer:

$18,540

Step-by-step explanation:

To find the original sum of money shared, setting up two different proportions using the ratios and the amount given will help.  For the first proportion, we can set 'x' equal to the amount of money that Daniel received.  Since Frank received $2,781 more than this amount, his amount is the expression 'x + 2781'.  Using equivalent ratios, we can set up the following proportion:

\frac{Frank}{Daniel}=\frac{8}{5}=\frac{(x+2781)}{x}

Using cross-multiplication: 8x = 5(x + 2781)

Distribute: 8x = 5x + 13,905

Inverse operations: 3x = 13,905 or x = $4,635

Since 'x' represents the amount that Daniel received, than Frank received:

x + 2781 or 4,635 + 2,781 = $7,416

To find the remaining amount for Elliot, make another proportion:

\frac{Daniel}{Elliot}=\frac{5}{7}=\frac{4635}{y}

Cross-multiply and divide:  5x = 7(4635) or y = $6,489

Total amount = $6,489 + $4,635 + $7,416 = $18,540

8 0
3 years ago
Paula has her own business making cakes for
djverab [1.8K]

Answer:

Since Paula has her own business of making cakes for special occasions, and the total price (P) of one of Paula's cakes is represented by the equation P = 0.75S +10, where S is the number of people the cake serves, for determine what does the 0.75 represent in this situation and what does the 10 represent in this equation, the following mathematical reasoning must be carried out:

P is the price of the cake

S is the number of servings

Therefore, 0.75 is the value of each serving, which can be variable (the number of servings can vary)

In turn, 10 is the fixed cost of each cake.

4 0
3 years ago
Graph the inequality y+4<-2(×+4)​
rodikova [14]

y + 4 <  - 2(x + 4) \\  \\ 1. \:  -  \frac{y + 4}{2}  > x + 4 \\ 2. \:  -  \frac{y + 4}{2}  - 4 > x \\ 3. \: x <  -  \frac{y + 4}{2}  - 4

number 3 is your answer x<-y+4/2-4

6 0
3 years ago
Complete the table below.
ziro4ka [17]

Here's what I got.

Column C, starting from the top and going down: $12.33, $13.00, $10.50, $10.00, $6.00, $8.00, $4.25, $10.50, $11.50, and $8.50

Column F, Starting from the top and going down: $4,650, $4,650, $4,650, $4,600, $4,600, $4,600, $5,000, $5,000, $4,625, and $4,625.

I don't really understand column G yet, so that's all I have. Hope it helped a little bit.

7 0
4 years ago
Read 2 more answers
Question 1
kenny6666 [7]

The inequality is given by 20x + 25y ≤ 1100 and x + y > 50

<h3>What is an inequality?</h3>

An inequality is an expression that shows the non equal comparison of two or more numbers and variables.

Let y represent the number of soccer balls and x represent the number of volleyballs.

The coach can spend a maximum of $1,100, hence:

20x + 25y ≤ 1100

Also, The coach plans to order at least 50, hence:

x + y > 50

The inequality is given by 20x + 25y ≤ 1100 and x + y > 50

Find out more on inequality at: brainly.com/question/24372553

6 0
3 years ago
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