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mixer [17]
2 years ago
7

Anyone have a answer for this?

Mathematics
1 answer:
LiRa [457]2 years ago
7 0

Answer:

36.1 meters

Step-by-step explanation:

Since this is a rectangle, the parallel sides are equal to each other, meaning we technically already know all the side lengths.

I'll choose to look at the bottom triangle in this case

30 is already there, and the other leg should be 20. Knowing this, we can plug these into the pythagorean theorem.

20 is A, 30 is B, and the missing side is C

a^{2} + b^{2} = c^{2}\\20^{2}  + 30^{2} = c^{2} \\400 + 900 = 1300 \\\sqrt{1300} = 36.06\\

C, the missing side to the nearest tenth is 36.1 meters

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Julie had $500. She spent 20% of it on clothes and then 25% of the
Anuta_ua [19.1K]

Answer:

$500 X 0.20 = $100

500-100=$400 Remaining

400 X 0.25 = $100

400-100=$300

he have spend $200

4 0
3 years ago
Out of 1,200 students surveyed, 92% of them like country music. How many students like rap music?
ANTONII [103]

Answer:

96

Step-by-step explanation:

1200*92=110400/100=1104

1200-1104=96

3 0
2 years ago
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How do you solve for 2x-3y=6
lora16 [44]
2x+3y=6<span>Simplifying 2x + 3y = 6 Solving 2x + 3y = 6 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3y' to each side of the equation. 2x + 3y + -3y = 6 + -3y Combine like terms: 3y + -3y = 0 2x + 0 = 6 + -3y 2x = 6 + -3y Divide each side by '2'. x = 3 + -1.5y Simplifying x = 3 + -1.5y
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7 0
3 years ago
You have 64 coins, consisting of pennies, nickels, and quarters. The value of
Romashka-Z-Leto [24]

Answer:

There are 20 pennies, 33 nickels and 11 quarters

Step-by-step explanation:

- You have 64 coins, consisting of pennies, nickels, and quarters

- The value of  the coins is $4.60

- Assume that there are p pennies, n nickles, and q quarters

∴ p + n + q = 64 ⇒ (1)

- Lets find the value of each types of coins

∵ 1 penny = 1 cent ⇒ p = p cents

∵ 1 nickel = 5 cents ⇒ n = 5n cents

∵ 1 quarter = 25 cents ⇒ q = 25q cents

∵ 1 dollar = 100 cents ⇒ $4.60 = 4.60 × 100 = 460 cents

∴ p + 5n + 25q = 460 ⇒ (2)

- You also know that you have three times as many nickels as  quarters

∴ n = 3q ⇒ (3) ⇒ the number of nickles by quarters

∵ 5n = 5(3q)

∴ 5n = 15q ⇒ (4) ⇒ the values of nickles by quarters

- Substitute (3) in equation (1) and (4) in equation (2)

∴ p + 3q + q = 64

∴ p + 4q = 64 ⇒ (5)

∴ p + 15q + 25q = 460

∴ p + 40q = 460 ⇒ (6)

- Subtract equation (5) from equation(6) to eliminate p

∴ 36q = 396

- Divide both sides by 36

∴ q = 11

- Substitute the value of q in equation (5)

∴ p + 4(11) = 64

∴ p + 44 = 64

- Subtract 44 from both sides

∴ p = 20

- Substitute the value of q in (3)

∴ n = 3(11) = 33

∴ n = 33

<em>There are 20 pennies, 33 nickels and 11 quarters</em>

6 0
3 years ago
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PLEASE HALP I GIVE OUT BRAINLIEST
jekas [21]

Since there is two negative signs in the original equation, you need two negative signs in the equivalent one as well.

Because one of the negatives if before the fraction, it doesn't matter if the second negative is on the 13 or on the 12.

The answer is A.

4 0
2 years ago
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