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3 years ago

Help? :,) I know it might look easy but not for me!!

Mathematics

1 answer:

ehidna [41]3 years ago

3 0

The answer is c = 11mm

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Write the equation of a line with a slope of -7/2 passing through the point 2,-4

fiasKO [112]

Answer:

y = -7/2x+3

Step-by-step explanation:

The slope intercept form of a line is

y = mx+b where m is the slope and b is the y intercept

y = -7/2 x+b

Substitute the point into the equation

-4 = -7/2(2) +b

-4 = -7+b

Solving for b

-4+7 = -7+b+7

3 = b

The equation is y = -7/2x+3

5 0

3 years ago

What is PI to the 100th power

Ilia_Sergeevich [38]

5.187843*10^49th power

7 0

4 years ago

How do you solve: cos(x-π/3)=-1

gladu [14]

Answer:

x = $\frac{4\pi }{3}$

Step-by-step explanation:

given

cos(x - $\frac{\pi }{3}$ ) = - 1, then

x - $\frac{\pi }{3}$ = $cos^{-1}$ (- 1) = π

Add $\frac{\pi }{3}$ to both sides, hence

x = π + $\frac{\pi }{3}$ = $\frac{4\pi }{3}$

3 0

3 years ago

Differentiate with respect to x:y= sinh^-1(x^2+1)

Aleks [24]

Answer:

The first derivative of $y = \sinh^{-1} (x^{2}+1)$ is $y' = \frac{2\cdot x}{\sqrt{x^{2}+2\cdot x +2}}$ .

Step-by-step explanation:

We proceed to find the first derivative of $y = \sinh^{-1} (x^{2}+1)$ by explicit differentiation and rule of chain:

$y = \sinh^{-1} (x^{2}+1)$

$y' = \frac{2\cdot x}{\sqrt{(x^{2}+1)^{2}+1}}$

$y' = \frac{2\cdot x}{\sqrt{x^{2}+2\cdot x +2}}$

The first derivative of $y = \sinh^{-1} (x^{2}+1)$ is $y' = \frac{2\cdot x}{\sqrt{x^{2}+2\cdot x +2}}$ .

8 0

3 years ago

Simon used 3 pears and 9 apples to make a fruit salad.what was the ratio of the number of pears to the number of apples in the f

jok3333 [9.3K]

The ratio would be 3 pears : 9 apples = 3:9 which reduces to 1:3

3 0

3 years ago