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hammer [34]
2 years ago
15

Given the equation y = 4 + 2x find the values for y given the value x

Mathematics
2 answers:
anyanavicka [17]2 years ago
7 0

Answer:

10, - 10, 6, - 2

Step-by-step explanation:

Substitute each given value of x into the expression and evaluate.

x = 3 → y = 4 + 2(3) = 4 + 6 = 10

x = - 7 → y = 4 + 2(- 7) = 4 - 14 = - 10

x = 1 → y = 4 + 2(1) = 4 + 2 = 6

x = - 3 → y = 4 + 2(- 3) = 4 - 6 = - 2

m_a_m_a [10]2 years ago
5 0

Answer:

1. y= 10      2.y= -10      3.y= 6      4.y= -2

Step-by-step explanation:

You basically just replace x with the number.

So, for y = 4 + 2x, then replace x with 3 and go y = 4 + 2(3)

which translates to y = 4 + 6 which equals 10

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5. When using substitution in the system of equations, what is the resulting equation?
dlinn [17]

Answer:

The answer is "a" 5x-4(-3x+5)=-3

6 0
3 years ago
What percent is equivalent to .41
vlabodo [156]
A percentage is always out of 100 and so if this is converted to a decimal, it is always out of 1.
The number has simply been divided by 100.
So to change a decimal to a percentage you simply multiply by 100.
So 0.41 x 100 = 41%
3 0
3 years ago
A map of the world has a perimeter of 24 feet. It’s area is 32 square feet. What are the dimensions of the map?
mojhsa [17]

The dimensions of the map are 8 feet × 4 feet

Step-by-step explanation:

Step 1; It is given that the perimeter of the map is 24 feet while the area is 32 square feet. The map is in the shape of a rectangle so we need to calculate its length and its width of this rectangle. The area of any particular rectangle is given by the multiplication of its length with width. The perimeter is given by double the value of the sum of its length and width.

Step 2; Equating these we get

Perimeter = 2 (l + w) = 24 feet

Area = l × w = 32 feet.

From the perimeter formula, (l + w) = \frac{24}{2} = 12

So we have (l + w) = 12 while l × w = 32.

Step 3; Possible values of l and w are

(1 ,11), (2, 10), (3, 9), (4, 8), (5, 7), (6, 6), (7, 5), (8, 4), (9, 3), (10, 2) and (11, 1).

Out of these possibilities only (4, 8) and (8, 4) give a product of 32 but since l is greater than w we have the value of l as 8 feet while w is 4 feet.

5 0
3 years ago
A car rental agency charges $50
aleksklad [387]

Answer:

75

Step-by-step explanation:

explanation on pic

3 0
3 years ago
Sasha has 3.20 in U.S. coins. She has the same number of quarters and nickels. What is the greatest number of quarters she could
RSB [31]

Answer:

10 quarters = $2.50

10 nickels = $0.50

that leaves $0.20 for other coins (dimes / pennies)

Step-by-step explanation:

First, suppose she has only quarters and nickels and no other coins.  Then if C is the identical number of coins of each type, then 5C + 25C = 320, so 30C = 320 and 3C = 32, but there is no integer solution to this.  So she must have at least one other type of coin.

Assume she has only quarters, nickels, and dimes.  Then if D is the number of dimes, 5C +  25C + 10D = 320, which means 30C + 10D = 320, or 3C + D = 32.  The smallest D can be is 2, leaving 3C = 30 and thus C = 10.  So in this scenario she would have 10 quarters, 10 nickels, and two dimes to make $2.50 + $0.50 + $0.20 = $3.20.

This has to be the highest number, because if she had 11 quarters and 11 nickels, that alone would add up to 11(0.25) + 11(0.05) = $3.30, which would already be too much.

8 0
3 years ago
Read 2 more answers
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