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Vlad [161]
3 years ago
13

2) Gold has a density of

Mathematics
1 answer:
gregori [183]3 years ago
8 0

Answer:

V = 150/193 cm³

Step-by-step explanation:

Density = Mass/Volume

Substitute the given values into the equation.

19.3 = 15/V (Given)

19.3V = 15 (Multiplied V on both sides)

V = 150/193 (Divided 19.3 on both sides)

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Viktor [21]

Answer:

<em>John has 11 photos on his phone</em>

Step-by-step explanation:

<u>Equations</u>

Megan has 99 photos on her phone and John has p photos on his phone. It's given Megan has 9 times as many photos on her phone as John has. This leads to the following equation:

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p = 99/9 = 11

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7 0
3 years ago
B=2.35+0.25x
natulia [17]

Answer:

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3 0
3 years ago
Please help me no links!!
Oksi-84 [34.3K]

Answer:

Step-by-step explanation:

The line is parallel to y axis so

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Equation : x = -6

4 0
3 years ago
Solve the system by substitution.<br> 2.5x-3y=-13<br> 3.25x-y=-14
MrMuchimi

Answer:

x=-4

y=1

Step-by-step explanation:

For the given system of equations,

2.5x-3y=-13.....eqn(1)

3.25x-y=-14.....eqn(2)

We first make y the subject of eqn (2)

This implies that,

y=3.25x+14.....eqn(3)

We substitute eqn (3) into eqn (1)

2.5x-3(3.25x+14)=-13

2.5x-9.75x-42=-13

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-29=7.25x

Dividing through by 7.25, we obtain

x=-4

We now put the value of x into eqn (2)

3.25(-4)-y=-14

This implies that,

-13+14=y

y=1

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3 years ago
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kupik [55]
3 is odd
So by the question he will lose 10 times the number that comes up
3*10=-30
4 0
3 years ago
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