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3 years ago

What is 5x=y-4 in standard form ?

1 answer:

7 0

The standard form: Ax + By + C = 0

5x = y - 4 |subtract y from both sides

5x - y = -4 |add 4 to both sides

5x - y + 4 =0

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Find the area of the shape either enter an exact andwet In teems of pi use 3.14 for pi and enter ur ander as a Devimal

NikAS [45]

Answer:

6 units

Step-by-step explanation:

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3 years ago

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Elanso [62]

Answer:

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3 years ago

Prove whether the following are identities 2tanh 1/2x / 1−tanh^2 1/2 x = sinh x

Tanzania [10]

Recall that

$\cosh^2(x) - \sinh^2(x) = 1$

Dividing both sides by cosh²(x) gives

$1 - \tanh^2(x) = \mathrm{sech}^2(x)$

Also, recall the identity

$\sinh(2x) = 2\sinh(x)\cosh(x)$

Then

$\dfrac{2\tanh\left(\frac x2\right)}{1 - \tanh^2\left(\frac x2\right)} = \dfrac{2\tanh\left(\frac x2\right)}{\mathrm{sech}^2\left(\frac x2\right)} \\\\ \dfrac{2\tanh\left(\frac x2\right)}{1 - \tanh^2\left(\frac x2\right)} = 2\tanh\left(\dfrac x2\right)\cosh^2\left(\dfrac x2\right) \\\\ \dfrac{2\tanh\left(\frac x2\right)}{1 - \tanh^2\left(\frac x2\right)} = 2\sinh\left(\dfrac x2\right)\cosh\left(\dfrac x2\right) \\\\\dfrac{2\tanh\left(\frac x2\right)}{1 - \tanh^2\left(\frac x2\right)} = \sinh(x)$

4 0

3 years ago

What is the decimal equivalent o the rational number 6/11

koban [17]

Divide 6 by 11: 6/11=.5454545 :)

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4 years ago

Karen planted a flower that was 14 inches tall. It grew 2 1/4 inches each week. If it is now 23 inches tall, how

NARA [144]

Answer:

4 weeks

Step-by-step explanation:

2 1/4 = 9/4 = 2.25

if it grows 2.25 inches in one week then in two weeks it would have grown 4.5 inches

keep adding the 2.25 inches to 14 until u get 23

:) hope this was heplful

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3 years ago