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Serga [27]
3 years ago
6

Determine if the following graphs and tables represent proportional or non-proportional relationships. To break the code each pr

oportional relationship has a value of 2 and each non-proportional relationship has a value of 3. Find the product of all the examples to break the code!​
Mathematics
1 answer:
kati45 [8]3 years ago
4 0
Tbh I am not sure good luck tho!
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X + 7y = 21<br> x + 4y = 15<br> Solve the simultaneous equations
Mariulka [41]

<u>Answer</u>:

x = 7, y = 2

<u>Explanation</u>:

equations given:

x + 7y = 21

x + 4y = 15

make "x" the subject:

x + 7y = 21

x = 21 - 7y .........equation 1

x + 4y = 15

x = 15 - 4y .......equation 2

Solving both the equations simultaneously:

15 - 4y = 21 - 7y

-4y + 7y = 21 - 15

3y = 6

y = 6 ÷ 3

y = 2

If y is 2

Then x = 21 -7y;

x = 21 - 7(2)

x = 21 - 14

x = 7

8 0
2 years ago
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QUESTION 9 of 10: You are considering leasing a store site that has 1,800 square feet. The landlord is asking for rent of $55 pe
algol [13]
B) $8,250

explanation: since you have a total of 1800 sq ft and it’s $55 dollars per sq ft for the yr, you would start by finding how much it would cost for a year by taking $55 x 1800 sq ft= $99,000 then since you are trying to find the rent for a month you would take the yr value ($99,000) and divide it by 12 since there are 12 months in a yr
99,000/12 = $8,250
6 0
3 years ago
State the value of the expression<br> (4.1 × 10^2)(2,4 × 10^3) over (1.5 × 10^7)
Gekata [30.6K]
\frac{(4.1\cdot10^2)(2.4\cdot10^3)}{1.5\cdot10^7}=\frac{4.1\cdot2.4}{1.5}\cdot10^{2+3-7}=6.56\cdot10^{-2}=0.0656
5 0
3 years ago
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a man pays 330 each month for his gym membership what is the change in the amount of money in his account after two thirds of a
olasank [31]

\dfrac{\$330}{1\,month}\times\dfrac{12\,month}{1\,year}\times\dfrac{2}{3}\,year\\\\=\$2640

The account will have decreased by $2640 after 2/3 year.

6 0
3 years ago
Solve n=m+9 for m<br><br> what does m equal
alexandr1967 [171]

Answer:

m=-9+n

Step-by-step explanation:

you want to get m by itself so you subtract 9 on both sides. 9-9 crosses out and you get m by itself. Which leads you to m= -9+n

8 0
2 years ago
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