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3 years ago

Solve by completing the square:X^2+6x-12=0

1 answer:

5 0

X² + 6x -12 = 0
x = -(6) +/- √((6)² - 4(1)(-12))
 2(1)
x = -6 +/- √(36 + 48)
 2
x = -6 +/- √(84)
 2
x = -6 +/- 2√(21)
 2
x = -3 + √(21)
x = -3 + √(21) x = -3 - √(21)

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Write each degree measure in radians round to the nearest hundredth 25 degree

dusya [7]

Answer:

To convert a degree measure into radians, you multiply it by π/180, π = 3.14 btw, so 25 * π/180 = 25*3.14/180 = 78.5/180 = 0.43633., which is 0.44 to the nearest hundredth.

Step-by-step explanation:

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2 years ago

Please help me I just don't understand!!!!!!!!!!!!!

Marina86 [1]

Answer:

240pi

Step-by-step explanation:

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2 years ago

What is 0.2 as a fraction

Vikentia [17]

It’s 2/10 there you go since there’s no 0 infort of the 2 it’s always a 10

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2 years ago

Read 2 more answers

15 + 10² • [12 – (12 – 3 • 2)] + 6

IRINA_888 [86]

[ Answer ]

$10458$

[ Explanation ]

Parenthesis

Exponents

Multiply

Divide

Add

Subtract

Parenthesis:

3 * 2 = 12

12 - 12 = 0

12 - 0 = 12

10^2 * 12

10 ^ 2 = 144

144 * 12 = 1728

1728 + 15 = 1743

1743 + 6 = 10458

7 0

3 years ago

Read 2 more answers

Morgan is throwing a pizza party. She has 1 7/8 pounds of cheese available and she needs 1/5 pound of cheese to make each pizz

Karolina [17]

We have been given that Morgan is throwing a pizza party. She has 1 7/8 pounds of cheese available and she needs 1/5 pound of cheese to make each pizza. We are asked to find the number of full pizzas that Morgan can make with the amount of cheese she has.

To solve our given problem, we will divide total amount of cheese by amount of cheese used to make each pizza.

$\text{Number of pizzas}=1\frac{7}{8}\div \frac{1}{5}$

$\text{Number of pizzas}=\frac{15}{8}\div \frac{1}{5}$

Now we will convert our division problem into multiplication problem by flipping the 2nd fraction.

$\text{Number of pizzas}=\frac{15}{8}\times \frac{5}{1}$

$\text{Number of pizzas}=\frac{75}{8}$

$\text{Number of pizzas}=9\frac{3}{8}$

We are asked to find the number of full pizzas and we can see that Morgan can make 9 full and $\frac{3}{8}$ pizzas.

Since there are 9 full pizzas, therefore, Morgan can make 9 full pizzas with the amount of cheese she has.

3 0

2 years ago