Muriel says she has written a system of two linear equations that has an infinite number of solutions. One of the equations of the system is 3y = 2x – 9. Which could be the other equation?2y = x – 4.5
y = x – 3
6y = 6x – 27
y = x – 4.5

Answers

Answer 1

Answer:

Answer: B

Step-by-step explanation: If you divide the 3 Y to get Y by itself, you will divide 3 on both sides. So 2X/3=2X/3 and -9/3=-3

So it will be Y=2X/3-3

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What is the value of (-6 + 2i) - (7 - 8i)?0 -1 + 61
O 1 - 6i
0-13 + 10i
13 + 10i

Answers

Answer: -13 + 10i

Step-by-step explanation: ((-6) + (2 * i)) - (7 - (8 * i)) = -13+10i

in sunlight, a vertical stick 9 ft tall casts a shadow 7 ft long. at the same time a nearby tree casts a shadow 28ft long. how tall is the tree? round to the nearest tenth

Answers

the tree wood b 36 ft
because:
28'
7' = 4'
9'x4'= 36'
that 36' is the trees height.

Answer:

36.0ft

Step-by-step explanation:

Write the number of permutations in factorial form. Then simplify, how many different ways can you and six of your friends sit in your assigned seats in math classA)6!; 120
B)6!;720
c)7!;2,520
D) 7!;5,040

Answers

Answer: D) 7!;5,040

Step-by-step explanation:

Given: The number of friends = 7

Permutations says that the number of different ways of arranging r objects out of n objects is given by ;-

$^nP_r=(n!)/((n-r)!)$

By permutations the number of different ways they can sit is given by :-

$^7P_7=(7!)/((7-7)!)=(7!)/(0!)\n\n=7*6*5*4times3*2*1\n\n=5,040$

Therefore, the different ways can you and six of your friends sit in your assigned seats in math class = 5,040.

You and 6 of your friends. Total of 7 people.

The answer is D.) 7! ; 5,040

Estimate the answer by rounding 863 x 534 to the nearest 100

Answers

Answer:

Step-by-step explanation:

If I rounded to the nearest hundred it would look like this 900 and 500.

because the closest hundred type number is 900 and the same for the number 500

Answer:

450,000

Step-by-step explanation:

To estimate the answer by rounding 863 x 534 to the nearest 100, follow these steps:

1. Multiply the tens digit of both numbers: 8 x 5 = 40

2. Round each number to the nearest 100: 863 ≈ 900 and 534 ≈ 500

3. Multiply the rounded numbers: 900 x 500 = 450,000

4. The estimated answer to the nearest 100 is 450,000.

Therefore, when rounding 863 x 534 to the nearest 100, the estimated answer is 450,000.

Provide a counterexample for the following statement: "The product of two irrational numbers is always irrational."

Answers

Answer:

Step-by-step explanation:

We know that root 2 is irrational, but root 2 times root 2 is 2, which is rational.

Hope this helped!!!

Each month Allison gets a $15 allowance and earns $100 working at the theater. She uses the expression 15x+100y to keep track of her earnings Part A Part B Part C