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3 years ago

Explain how to determine whether two ratios are equivalent.

1 answer:

6 0

You just have to make them into a faction. Then you can choose any number then you need to multiply the top number and the bottom number by the same thing. And that's how you can tell if they are equivalent.

Hope this helped :D

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Y = -8 Y = -2x - 12 Solve this equation by substitution

aliina [53]

Answer:

x = - 2

Step-by-step explanation:

- 8 = - 2x - 12

- 8 + 12 = - 2x - 12 + 12

- 2x = 4

- 2x ÷ - 2 = 4 ÷ - 2

x = - 2

5 0

3 years ago

A, O and B lie on a straight line segment.

Dafna11 [192]

Answer:

x = 36

Step-by-step explanation:

the 3 angles form a straight angle and sum to 180°

sum the 3 angles and equate to 180

3x + x + x = 180 , that is

5x = 180 ( divide both sides by 5 )

x = 36

8 0

3 years ago

16p=208 Plz answer and I'll give you brainliest.

Leno4ka [110]

Answer:

p = 13

Step-by-step explanation:

Step 1: Write equation

16p = 208

Step 2: Solve for p

Divide both sides by 16: p = 13

Step 3: Check

Plug in p to verify it's a solution.

16(13) = 208

208 = 208

8 0

4 years ago

Read 2 more answers

A vertical cylinder is leaking water at a rate of 4m3/sec. If the cylinder has a height of 10m and a radius of 2m, at what rate

Lyrx [107]

Answer:

Therefore the rate change of height is $\frac{1}{\pi}$ m/s.

Step-by-step explanation:

Given that a vertical cylinder is leaking water at rate of 4 m³/s.

It means the rate change of volume is 4 m³/s.

$\frac{dV}{dt}=4 \ m^3/s$

The radius of the cylinder remains constant with respect to time, but the height of the water label changes with respect to time.

The height of the cylinder be h(say).

The volume of a cylinder is $V=\pi r^2 h$

$=( \pi \times 2^2\times h)\ m^3$

$\therefore V= 4\pi h$

Differentiating with respect to t.

$\frac{dV}{dt}=4\pi \frac{dh}{dt}$

Putting the value $\frac{dV}{dt}$

$\Rightarrow 4\pi \frac{dh}{dt}=4$

$\Rightarrow \frac{dh}{dt}=\frac{4}{4\pi}$

$\Rightarrow \frac{dh}{dt}=\frac{1}{\pi}$

The rate change of height does not depend on the height.

Therefore the rate change of height is $\frac{1}{\pi}$ m/s.

3 0

3 years ago

A cable company charges a flat fee of $50 per month plus $8 per month for each movie channel, m, and $4 per month for each sport

PSYCHO15rus [73]

T = 12( 50 + 8m + 4s)

T = 600 + 96m + 48s

7 0

3 years ago

Read 2 more answers