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Debora [2.8K]
3 years ago
5

The sum of 7 times one number, x, and 4 times a second number, y, is 148. If the sum of the two numbers is 31, find the two numb

ers.
Enter a system of equations to represent the situation, then solve the system.

The system of equations is ___ and ___
The first number is ___ and the second number is ___.
Mathematics
1 answer:
Andreas93 [3]3 years ago
6 0

Answer:21.88

Step-by-step explanation:

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What is the range?????? 100pts and
avanturin [10]

Answer:

the range is 8

Step-by-step explanation:

the range is the highest value number minus the lowest value number. You can find that by the whiskers of the box plot which are 10 and 2. 10 minus 2 is 8.

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2 years ago
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Joe pays $26.78 for 6.5 gallons of gas.
Dovator [93]

Answer:

$4.12

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$26.78 / 6.5 gallons = $4.12 per gallon

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3 years ago
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Can someone help me out with this ??
nalin [4]

Answer:

1. b > -2

2. x <= 3

Step-by-step explanation:

Question 1:

-2(b + 5) < -6

Divide both sides by -2. Remember to change the inequality sign.

b + 5 > 3

Subtract 5 from both sides.

b > -2

Question 2:

-(x - 10) >= 7

Divide both sides by -1. Remember to change the inequality sign.

x - 10 <= -7

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4 years ago
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melamori03 [73]

Answer:

A

Step-by-step explanation:

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3 years ago
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Write an equation to represent the N'th term of the sequence (2,-1.-4,-7,...)
mr_godi [17]

Answer: a(n) = 5 - 3n

the sequence has:

a1 = 2

a2 = -1

a3 = -7

.........

we can see that: a2 - a1 = a3 - a2 = -3

=> the sequence is a  arithmetic sequence

=> the distance between the numbers is d = -3

because this sequence is a  arithmetic sequence

=> a(n) = a1 + (n - 1)d = 2 + (n - 1).(-3) = 5 - 3n

Step-by-step explanation:

7 0
3 years ago
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