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Kay [80]
3 years ago
12

the density of silver is 65.2g/cm3. if the volume of a piece of silver is 21.4cm3, what will the mass be in grams

Mathematics
1 answer:
lukranit [14]3 years ago
8 0

Answer:

mass - 1395.28 g

Step-by-step explanation:

density = mass / volume

65.2 g/cm^3 = mass / 21.4 cm^3

65.2 g * 21.4 = mass (cm^3 cancels out)

1395.28 g = mass

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The product of 9, and a number increased by 7, is 126. What is the number
RoseWind [281]

Answer:

The number is 7.

Step-by-step explanation:

The unknown number: x

9 (x + 7) = 126

Using the distributive property, 9x + 63 = 126

9x = 63

x = 7

6 0
4 years ago
Isaac Green Elimination (Level 1) Mar 17, 8:18:58 AM Find the solution of the system of equations. 8x + y = -13 8r 2y = 10​
kicyunya [14]

Answer:

y = 23

x = -4.5

Step-by-step explanation:

Given:

Equation

8x + y = -13 ......eq1

8x + 2y = 10​........eq2

Find:

Solution

Computation:

Eq2 - Eq1

y = 23

From eq1

8x + y = -13

8x + 23 = -13

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5 0
3 years ago
The functions f(x) and g(x) are described below: f(x) = 7x + 9 g(x) = 7x −4 The graph of g(x) is obtained by shifting down the g
Slav-nsk [51]
Correct Answer:
Option A

Solution:

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We can re-write g(x) as:

g(x) = 7x + 9 - 13

Since 7x+9 is equal to f(x), we can write:

g(x) = f(x) - 13

This relation shows that g(x) is obtained by shifting f(x) 13 units vertically down. So the correct answer is option A.
6 0
4 years ago
PLS HELP!!!!!!!!!!!!
seropon [69]

Answer:

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Step-by-step explanation:

it's right trust me <3

8 0
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