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butalik [34]
3 years ago
9

Use the substitution method to solve the system of equations. Choose the correct ordered pair.

Mathematics
2 answers:
Ratling [72]3 years ago
8 0
The correct answer A
zubka84 [21]3 years ago
6 0

Answer:

A) (3,14)

Step-by-step explanation:

6x - 4 =7x - 7

subtract 6x from both sides

-4 = x -7

add 7 to both sides

3= x

now that we know the value of x, plug it into either equation to get y=14

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<5 is a supplementary of <6 , and m<5=78 , find m<6
irakobra [83]

Answer:

m<6 is 102°

Step-by-step explanation:

Angles that are supplementary are equal to a total of 180°.

Subtract the 78 from the 180 to find your answer.

180-78=102

3 0
3 years ago
The cost to mail a package is $8 for the first 4 pounds and 25 cents for each additional ounce. Which of the following functions
Rina8888 [55]

Answer:

f(x) = 8 + 0.25x

Step-by-step explanation:

The minimum cost is $8, for up to 4 pounds.

The added cost is ($0.25/oz)(x), where x is trhe ounces over 4 pounds

The total cost is the sum of these two:

f(x) = 8 + 0.25x

3 0
2 years ago
PLEASE HELP ME ON THIS QUESTION IVE BEEN STUCK ON IT FOR 10 MINUTES!!!!!
horsena [70]

Answer:

Step-by-step explanation:

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4 0
3 years ago
The function c(p)=6⋅2p−1 represents the number of circles on page p in an artist’s book.
Leno4ka [110]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
I think the answer is <span>C) The number of circles on a page is 6 times the number of circles on the previous page. 

</span>If we plugged in p = 1, then it leads to c(p) = 6

This is saying "on page 1 (p = 1), the number of circles on this page is 6"

<span>ie, "There are 6 circles on page 1"</span><span>

</span>
6 0
4 years ago
Read 2 more answers
Niko is 3 times as old as Lila. Niko's age is the same as adding Lila's age to the product of 3 and Amber's age. Niko is 45 year
Ymorist [56]

Answer:

Kameron is 50 years old.

Step-by-step explanation:

We can make equations and start filling in what we already know, assuming n is Niko's age, L is Lila's age, a is Amber's age, and k is Kamerons age.

Our first equation:

n = 3L

We know that Niko is 45, so

45 = 3L

Divide both sides by 3:

L = 15

So, Lila is 15 years old.

Another equation:

n = L + 3a

We already know Niko and Lila's age:

45 = 15 + 3a

Subtract 15 from both sides:

30 = 3a

Divide both sides by 3:

a = 10

So Amber is 10 years old.

Another equation:

k = 2(a + L)

We know Amber and Lila's age:

k = 2(10 + 15)

k = 2(25)

k = 50

So Kameron is 50 years old.

Hope this helped!

8 0
3 years ago
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