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andreyandreev [35.5K]
3 years ago
11

4. Solve using elimination. 4x -3y = 9 3x +2y = 11

Mathematics
2 answers:
UNO [17]3 years ago
8 0
Answer: (3,1)

Explanation:
Natali5045456 [20]3 years ago
3 0

Answer:

x=3, y=1

Step-by-step explanation:

2(4x-3y=9) Multiply these two equations to cancel out the y using elimination

3(3x+2y=11)

8x-6y=18 Add these two equations to cancel out the y using elimination

9x+6y=33

17x=51 Solve for x

x=3

4(3)-3y=9 Plug in x=3 into the original equation

3y=3 Solve for y

y=1

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Karo-lina-s [1.5K]

Answer: -3y + 8z

Step-by-step explanation:

2x -2x = 0

-2y + - y= -3y

5z + 3z= 8z

-3y + 8z

4 0
3 years ago
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Consider the enlargement of the pentagon. A small pentagon has a bottom side length of x centimeters and left side length of 7 c
LuckyWell [14K]

When the pentagon is drawn to scale then its value of x will be x=3.3 cm

<h3>What is the pentagon?</h3>

The pentagon is defined as the shape having five sides connected together.

Now it is given in the question that

For small pentagone

Bottom =x

left =7 cm

For larger pentagone

Bottom=7cm

left=15cm

Now since the pentagon is actually dilated from its size to the new bigger size. It means that the equivalent ratio of both the pentagons will be equal.

For smaller pentagon

\rm Equivalent \ Ratio = \dfrac{Bottom}{Left} =\dfrac{x}{7}

For bigger pentagon

\rm Equivalent \ Ratio = \dfrac{Bottom}{Left} =\dfrac{7}{15}

Since both, the ratio is the same

\dfrac{x}{7} =\dfrac{7}{15}

x=\dfrac{49}{15} =3.3\ cm

Thus the pentagon is drawn to scale than its value of x will be x=3.3 cm

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4 0
2 years ago
What is the radius of a circle if the diameter is 50 inches? (just type in your answer as a number only)
sergeinik [125]

Answer: Given radius (R) = 50

Diameter =  2R =  100

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=  100π

=  314.15926535898

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=  7853.9816339745

6 0
3 years ago
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The question is jimmy scores is in the bottom 25% of the scores, but he does not have the lowest score. What is one possible val
Mariulka [41]

Answer:

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Step-by-step explanation:

25% is also a equation

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3 years ago
Please help! I'm giving branniest for the correct answer! (SHOW WORK)​
scoray [572]

Answer:

102

Step-by-step explanation:

it's a parallelogram so it's BxH

A = 15x8 = 120

inside rectangle A is LxW

6x3 = 18

subtract the inside from the outside

120-18 = 102

6 0
3 years ago
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