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3 years ago

Find y for x=0,1,2, and 3. y=4-x

Mathematics

1 answer:

LenKa [72]3 years ago

7 0

4 - (0) = y
4 - 0 = 4 y = 4

4 - (1) = y
4 - 1 = 3 y = 3

4 - (2) = y
4 - 2 = 2 y = 2

4 - (3) = y
4 - 3 = 1 y = 1

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A coin purse contains d dimes and q quarters. There are 35 coins in the purse, and the total value of the coins is $5.60. Create

pogonyaev

Answer:

14 dimes, 21 quarters

Step-by-step explanation:

Represent dimes with d and quarters with q.

So: 35 coins means

$d + q = 35$

1 dime = $0.10 and 1 quarter = $0.25. So, a value of $5.60 means

$0.10d + 0.25q = 5.60$

So, the system of equations is:

$d + q = 35$

$0.10d + 0.25q = 5.60$

Make d the subject in $d + q = 35$

$d = 35 - q$

Substitute 35 - q for d in $0.10d + 0.25q = 5.60$

$0.10d + 0.25(35 - q) = 5.60$

Open bracket

$0.10d + 8.75 - 0.25q = 5.60$

Collect Like Terms

$0.10d - 0.25q = 5.60 - 8.75$

$-0.15q = -3.15$

Solve for q

$q = \frac{-3.15}{-0.15}$

$q = 21$

Substitute 21 for q in $d = 35 - q$

$d = 35 - 21$

$d = 14$

7 0

3 years ago

Solve: X-20=5(7x-4)

Genrish500 [490]

Answer:0

Step-by-step explanation:

x-20=35x-20

-20=34x-20

x=0

4 0

3 years ago

Read 2 more answers

carrie has 340 marbles to put in the vase she wants the vases to either hold 100 marbles or 10 marbles which is the way she can

Elan Coil [88]

Carrie could have 3 vases filled with 100 marbles, and 4 vases filled with 10 marbles. Hope I helped!

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3 years ago

Tyrone ran the 100-meter race 3 times. His fastest time was 10.84 seconds. His slowest time was 13.52 seconds. If Tyrone's avera

adelina 88 [10]

Answer:

The third time = 11.64 seconds

Step-by-step explanation:

Let the average time be x

The average of a set of numbers is the sum of the numbers divided by the number of terms. In this case:

Average = (10.84 + 13.52 + x) ÷ 3 = 12.0

$\frac{10.84\ + 13.52\ + x}{3}= 12.0\\\frac{24.36\ +\ x}{3} = 12.0\\cross-multiplying\\24.36\ +\ x = 3 \times 12.0\\24.36\ +\ x = 36\\x = 36 - 24.36\\x = 11.64\ seconds$

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3 years ago

Benito embroiders and sells T-shirts. The graph shows his profit (y-axis) as a function of the number of shirts sold (x-axis). A

Darina [25.2K]

The true statement about the y-intercept is that The y-intercept represents the profit from selling no T-shirt.

<h3>What is the y-intercept?</h3>

The y-intercept refers to the point where the x variable is 0.

The x variable in this case is the number of shirts sold. This means that the y-intercept will show the cost to Benito when he sells no t-shirts.

In conclusion, the y-intercept is the point where no T-shirt has been sold.

Options include:

a. The domain of the function is {x | x is a real number greater than or equal to 0}. b. Benito increases the price after selling 50 shirts. c. The y-intercept represents the profit of one T-shirt.

Find out more on the y-intercept at brainly.com/question/17323488

#SPJ1

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2 years ago