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jek_recluse [69]
2 years ago
9

Find the highest common factor of 72 and 135

Mathematics
2 answers:
kap26 [50]2 years ago
6 0

Answer:

9

Step-by-step explanation:

9 is the highest common factor of 72 and 135

andrey2020 [161]2 years ago
4 0

Answer:9

Step-by-step explanation:

Find the prime factorization of 72

72 = 2 × 2 × 2 × 3 × 3

Find the prime factorization of 135

135 = 3 × 3 × 3 × 5

To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 3 × 3

GCF = 9

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Question 14
Reil [10]

Answer:

The system of equations has a one unique solution

Step-by-step explanation:

To quickly determine the number of solutions of a linear system of equations, we need to express each of the equations in slope-intercept form, so we can compare their slopes, and decide:

1) if they intersect at a unique point (when the slopes are different) thus giving a one solution, or

2) if the slopes have the exact  same value giving parallel lines (with no intersections, and the y-intercept is different so there is no solution), or

3) if there is an infinite number of solutions (both lines are exactly the same, that is same slope and same y-intercept)

So we write them in slope -intercept form:

First equation:

6x+y=-1\\y=-6x-1

second equation:

-6x-4y=4\\-6x=4y+4\\-6x-4=4y\\y=-\frac{3}{2} x-1

So we see that their slopes are different (for the first one slope = -6, and for the second one slope= -3/2) and then the lines must intercept in a one unique point. Therefore the system of equations has a one unique solution.

6 0
3 years ago
Evaluate what is the answer to<br> 3.4<br> +<br> 5.14
Ymorist [56]
3.4
5.14
______

8.54

If we round the answer
We get 8.5

Guess I gave you the correct answer
7 0
2 years ago
Solve each system of equations. Equation 1: x+3y=-5 Equation 2: 9x+3y=3
bekas [8.4K]

Answer:

Equation 1: x-3y+5=0

Equation 2: 3x+y-1=0

Step-by-step explanation:

Equation 1: x+3y=-5

                  x+3y+5=-5+5

                  x=3y+5=0

Equation 2: 9x+3y-3=0

                   3x+y-1=0

4 0
2 years ago
Sara is 6 feet 3 3/4in tall and Sam is 5 feet 6in. How much taller is Sara then Sam?
denpristay [2]

Answer:

9    3/4  inches

Step-by-step explanation:

If we are finding how much taller Sara is, we need to subtract

6 ft 3 3/4 - 5 ft  6in

I like to line up vertically

  6 ft 3 3/4

- 5 ft  6in

----------------

We  need to borrow 1 ft and make it 12 inches


  5 ft 3+12  3/4

- 5 ft  6in

----------------

   5 ft 15  3/4

- 5 ft  6in

----------------  

  0     9    3/4  inches

3 0
3 years ago
Please help! thanks.
Leno4ka [110]
4) Around 1.4

6) Around 5.7

8) Around 4.5

10) Around 9.5
3 0
3 years ago
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