3 years ago

Use the equation to complete the table.

Mathematics

2 answers:

RideAnS [48]3 years ago

6 0

For number 2 problem:
10x=5y
15x=7.5y
20x=10y

For problem3:
3x=1.5y
4x=2y
5x=2.5y

Ierofanga [76]3 years ago

5 0

2. 10 l 3
15 l 8
20 l 13

3. 3 l 13
4 l 16
5 l 19

5. 11

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A diagonal of a cube measures

Gennadij [26K]

Answer: 7cm

Step-by-step explanation:

Use pythagorean theorum:

Variables:

Let the edge = A

Face diagonal (F) = 10cm

Inner diagonal (I) = sqrt(150) cm

A^2 = I^2 - F^2

A^2 = [sqrt(150)]^2 - 10^2

A^2 = 150 - 100

A^2 = 50

A = sqrt(50)

A = 7.0710678 cm

A = 7cm (to the nearest tenth)

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5. In a right triangle, the sum of the lengths of the two legs is 100 meters. What are the lengths of the three sides

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Step-by-step explanation:

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3 years ago

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3 years ago

Read 2 more answers

A triangle has a base of 15 feet and a height of 9 feet. What is the area of the triangle? Label the figure. Write the formula,

bazaltina [42]

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3 years ago

Bruce is solving a system of equations.

Valentin [98]

Answer:

Option 3,4,5 are correct.

Step-by-step explanation:

The system of equations are:

$3x+5y=9\,\,\,\,(1)\\x-y=-5\,\,\,\,(2)$

Multiply equation (2) with -3 and add with equation (1)

$3x+5y=9\\-3x+3y=15\\-------\\8y=24\\y= 24/8\\y=3$

Value of y is 3

Putting value of y in eq(2)

$x-y=-5\\x-3=-5\\x=-5+3\\x=-2$

Value of x is -2

So, Option 3,4,5 are correct.

Keywords: System of Equations

Learn more about System of Equations at:

#learnwithBrainly

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3 years ago