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3 years ago

What % more than 80 is more than 104

Mathematics

1 answer:

crimeas [40]3 years ago

5 0

130 i think let me know if this is right

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The ratio 4/7:8/21 has a unit rate of 3/2 true or false

alekssr [168]

Answer:

Tell the teacher he got ratioed

Step-by-step explanation:

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3 years ago

Lateral erea of cube

jekas [21]

Answer:

4a2

Step-by-step explanation:

For a cube the lateral surface area would be the area of the four sides. If the edge of the cube has length a, the area of one square face Aface = a ⋅ a = a2. Thus the lateral surface of a cube will be the area of four faces: 4a2.

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3 years ago

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14 80 tiles of side 30cm were used to cover a counter top. Calculate the area of the counter top in square metres.

Komok [63]

Answer:

Step-by-step explanation:

1,480 is a lot of tiles. Did you mean 80 tiles?

30 cm = 0.3 m

Area of one tile = 0.3² m² = 0.09 m²

Multiply the number of tiles by 0.09 m².

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3 years ago

The equation t^3=a^2 shows the relationship between a planet’s orbital period, T, and the planet’s mean distance from the sun, A

ankoles [38]

Answer:

2√2

Step-by-step explanation:

We can find the relationship of interest by solving the given equation for A, the mean distance.

<h3>Solve for A</h3>

$T^3=A^2\\\\A=\sqrt{T^3}=T\sqrt{T}\qquad\text{take the square root}$

<h3>Substitute values</h3>

The mean distance of planet X is found in terms of its period to be ...

$D_x=T_x\sqrt{T_x}$

The mean distance of planet Y can be found using the given relation ...

$T_y=2T_x\\\\D_y=T_y\sqrt{T_y}=2T_x\sqrt{2T_x}=(2\sqrt{2})T_x\sqrt{T_x}\\\\D_y=2\sqrt{2}\cdot D_x$

The mean distance of planet Y is increased from that of planet X by the factor ...

2√2

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2 years ago

Evaluate and answer in standard form: 3^-1

asambeis [7]

Evaluate and answer in standard form:
3^-1 = 1/3

6 0

3 years ago