3 years ago

A number divided by four is at most 6. Which choice is correct??

Mathematics

1 answer:

andre [41]3 years ago

3 0

C because that sign means lesser than or equal to 6

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Rearrange the equation so q is the independent variable. 9q-4=3r-6 r = __

erik [133]

Answer:r=3q+2/3

Step-by-step explanation:

Step 1: Flip the equation.

3r-6=9q-4

Step 2: Add 6 to both sides.

3r-6+6=9q-4+6

3r=9q+2

Step 3: Divide both sides by 3.

3r/3=9q+2/3

r=3q+2/3

Hopefully it’s right

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3 years ago

Tim can mow 4 lawns in 6 hours. How many lawn(s) can he mow in 1 hour?

Art [367]

4/6 = 0,66

So, Tim can mow 0,66 lawns in 1 hours.

Control:
0,66 lawns x 6 hours = 4 lawns

6 0

3 years ago

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If ln(4x+y)=2x-3,then dy/dx=

Viktor [21]

$\ln(4x+y)=2x-3$

Differentiate both sides wrt $x$ :

$\dfrac{\mathrm d(\ln(4x+y))}{\mathrm dx}=\dfrac{\mathrm d(2x-3)}{\mathrm dx}$

By the chain rule, we get

$\dfrac1{4x+y}\dfrac{\mathrm d(4x+y)}{\mathrm dx}=2$

$\dfrac{4+\frac{\mathrm dy}{\mathrm dx}}{4x+y}=2$

Solve for $\frac{\mathrm dy}{\mathrm dx}$ :

$4+\dfrac{\mathrm dy}{\mathrm dx}=8x+2y$

$\boxed{\dfrac{\mathrm dy}{\mathrm dx}=8x+2y-4}$

4 0

3 years ago

On a cruise of 1125 passengers. 450 were female what fraction of passengers were male?

WINSTONCH [101]

Step-by-step explanation:

$\\1125-450=675$

$\frac{675}{1125}$ $=\frac{3}{5}$

4 0

3 years ago

Find the surface area of a square pyramid with side length 5 Fr and slant height 5 ft.

Ilia_Sergeevich [38]

Answer:

75 ft²

Step-by-step explanation:

Surface Area :

Area (4 triangles) + Area (base)
4 x 1/2 x 5 x 5 + 5 x 5
50 + 25
75 ft²

6 0

2 years ago

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