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3 years ago

PLEASE WHAT IS X??? x/3 +4 = 12...

1 answer:

6 0

X/3 + 4 = 12

First minus 4 on both sides of the equation.

x/3 = 9

Then times 3 on both sides of the equation.

x = 27

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The time it takes to fly from Paris to London is normally distributed. If the mean flight time is 80 minutes with a standard dev

Simora [160]

Answer:

13.60%

Step-by-step explanation:

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5 0

3 years ago

If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen

MrRissso [65]

Answer:

Option A

Step-by-step explanation:

Step 1: Naming both equations:

$Eq. 1: 3x + 2y=-21\\Eq. 2 : x-3y=4$

Step 2: Isolating x in Eq. 2

$x=3y+4$

Step 3: Replacing x in Eq. 1

$3(3y+4)+2y=-21$

Therefore, the answer is Option A

4 0

4 years ago

How many minutes is in 0.5 hours

Shkiper50 [21]

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8 0

3 years ago

Read 2 more answers

URGENT!!!!

babunello [35]

The equation of the hyperbola in standard form is $\frac{(y-4)^{2}}{100}-\frac{(x-1)^{2}}{64}=1$

Step-by-step explanation:

Let us revise the equation of the hyperbola

The standard form of the equation of a hyperbola with center (h , k) and transverse axis parallel to the y-axis is $\frac{(y-k)^{2}}{a^{2}}-\frac{(x-h)^{2}}{b^{2}}=1$

The length of the transverse axis is 2a
The length of the conjugate axis is 2b

∵ The center of the hyperbola is (1 , 4)

∴ h = 1 and k = 4

∵ The transverse axis is parallel to the y-axis

∴ The form of the equation is $\frac{(y-k)^{2}}{a^{2}}-\frac{(x-h)^{2}}{b^{2}}=1$

∴ The length of the transverse axis is 2a

∵ The length of the transverse axis is 20 units

- Equate 2a by 20 to find a

∴ 2a = 20

- Divide both sides by 2

∴ a = 10

∵ The length of the conjugate axis is 2b

∵ The length of the conjugate axis is 16

- Equate 2b by 16 to find b

∴ 2b = 16

- Divide both sides by 2

∴ b = 8

- Substitute the values of h, k, a, and b in the form of the equation

∴ $\frac{(y-4)^{2}}{(10)^{2}}-\frac{(x-1)^{2}}{(8)^{2}}=1$

∴ $\frac{(y-4)^{2}}{100}-\frac{(x-1)^{2}}{64}=1$

The equation of the hyperbola in standard form is $\frac{(y-4)^{2}}{100}-\frac{(x-1)^{2}}{64}=1$

Learn more:

You can learn more about the hyperbola in brainly.com/question/4054269

#LearnwithBrainly

4 0

3 years ago

Whats 2091 times 1533 ?

nadezda [96]

Answer: 3,205,503

Calculator bruh! :)

7 0

4 years ago