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3 years ago

The height of a door would be about A: 8 inches B: 8 feet C: 8 yards D: 8Miles

Mathematics

2 answers:

liq [111]3 years ago

8 0

8 inches :) (im pretty sure)

Aneli [31]3 years ago

7 0

Answer:

Step-by-step explanation:

A door isn't about the size of my foot

Not the size height of my house

Not the size of my street

Sooooooo...

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2 years ago

Divide to Find Equivalent Ratios

Brilliant_brown [7]

Answer:

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2 years ago

Steve's sister is 25 years old. her age is 5 years more than 4 times his age.

Virty [35]

Answer:

Steve is 5

Step-by-step explanation:

Steves sister is 25, she is 5 years more than 4 times steve is.

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6 0

3 years ago

If x > 0, which of the following is positive? <br> 1. -x<br> 2. x^2<br> 3. (-x)^3<br> 4. 1/-x

lapo4ka [179]

Answer:

$x^2$

Step-by-step explanation:

$x > 0~\text{means that x is positive number.}$

$\text{Square of both negative and positive numbers are always positive.}\\\\\text{So,}~ x^2~\textbf{is positive.}$

3 0

1 year ago

A van travels at a constant speed of x km/hr over a distance of 45km/hr. If the van increases its speed by 4km/h, it will be abl

harkovskaia [24]

Speed = Distance/Time. Let speed be V, distance D and time T

a)Given: D₁ =45km, V₁=x km/h
V₁=D₁/T
V₁=45/T OR T= 45/V₁

b) Given : D₂ =48 km and V₂ = V₁ + 4 km/h
V₂ = 48/T, but V₂ = V₁+4, then:

V₁+4 = 48/T OR T=48/(V₁+4). Since Time is same, then we can write:
45/V₁ =48/(V₁+4), solve for V₁:
45V₁ + 180 = 48V₁

3V₁ =180 and V₁ = x = 60 km/h

8 0

2 years ago