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bixtya [17]
3 years ago
13

4x+3y=30 y=2x need explanation

Mathematics
1 answer:
Vera_Pavlovna [14]3 years ago
8 0

Answer:

j7uuu7yuyyyytyy6yy6yyghhhhhhhhhhhhhhjm

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Using the least number of coins how many quarters, dimes, nickels, and pennies to make $1.74
SpyIntel [72]

Let's use our largest amount (quarter) to see how many can fit evenly into 1.74.

  • 1.74/0.25 = 6.96
  • The most quarters that can fit into $1.74 is 6.

---Multiply $0.25 by 6 = $1.50

---Subtract $1.50 from $1.74 = $0.24

---We need to use the rest of the coins to fill up $0.24.

Now let's use our second largest amount (dime) to see how many can fit evenly into 0.24.

  • 0.24/0.10 = 2.4
  • The most dimes that can fit into $0.24 is 2.

---Multiply $0.10 by 2 = $0.20

---Subtract $0.20 from $0.24 = $0.04

No nickels can fit into $0.04, because they are worth $0.05.

We can use our least amount (pennies) to fill in the $0.04 remaining.

Your answer is 6 quarters, 2 dimes, and 4 pennies.

4 0
3 years ago
Use the data to create a scatter plot URGENT!!!!!!
iVinArrow [24]

Answer:

The scatter plot of the given data is shown below.

Step-by-step explanation:

The given data is

Time (years)               Number of participants

      3                                       22

      6                                       25

      9                                       28

      12                                       14

      15                                       17

      18                                       20

      21                                       15

      24                                       9

In the scatter plot the x-axis represents the time in years and the y intercept represents the number of participants.

The scatter plot of the given data is shown below.

3 0
4 years ago
Angie divides the polynomial function f(x)=x3+3x2−7x−21 by (x + 3). What can she conclude from the fact that the remainder is eq
iren [92.7K]

Answer:

See below

Step-by-step explanation:

<u>Given function</u>

  • f(x)=x³ + 3x²- 7x - 21

<u>We can find its factors:</u>

  • x³ + 3x² - 7x - 21 =
  • x²(x + 3) - 7(x + 3) =
  • (x² - 7)(x + 3)

We can conclude that the given polynomial function is fully divisible by (x + 3) and the quotient is (x² - 7)

Also one of zeros of the function is -3

8 0
3 years ago
1. Which expression is equivalent to 2(3x + 4)(x - 1)(x - 3)?
bulgar [2K]

Answer:

I am 99% sure that it is the first one.

Step-by-step explanation:

5 0
3 years ago
HELP which methods could you use to calculate the x coordinate of the midpointof a horizontal line segment with endpoint at (0,0
posledela
I guess you could count by hand, but it would take a while.
C and D
3 0
4 years ago
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