MATHEMATICS HIGH SCHOOL

Please help solve this, I solved it on my own but I think my calculations are wrong. here is the problem, b-(b+a×4c÷4); use; a=-6, b=1, and c=2?​

Answers

Answer 1
Answer:

Hi there! Hopefully this helps!

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Answer: 12

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First we need to substitute the value of the variable into the expression and simplify.

b-(b+a×4c÷4) = 1 - (1 + -6 × 4(2) ÷ 4).

Now we need to solve 1 - (1 + -6 × 4(2) ÷ 4).

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1 - (1 + -6 × 4(2) ÷ 4)

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|  First, we cancel out 4 and 4.

\/

1 - (1 - 6 × 2)

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Next, we multiply -6 and 2 to get -12.

1 - (1 - 12)

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Then we subtract 12 from 1 to get -11.

1 - (-11)

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The opposite of -11 is 11.

1 + 11.

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Add 1 and 11 to get, you guessed it, 12!
Answer 2
Answer:

Answer:

Answer: 12

Hope this helps

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a rectangle has a length that is nine feet less than four times its width. Its area is 90 ft. Algebraically determine the length of its width and length. Show work

Answers

Ok... after much confusion, I've come to the conclusion that you must have written the question wrong and it's actually the perimeter that is 90 feet so that's how I'm going to work it...

Width = w
Length = 4w - 9

P = 2w x 2L
90 = 2w + 2(4w - 9)
90 = 2w + 8w - 18
90 = 10w - 18
108 = 10w
108/10 = w
10 4/5 = w

Width is 10 4/5 ft

Length = 4w - 9
L = 4(10 4/5) - 9
L = 43 1/5 - 9
L = 34 1/5 ft

Length 34 1/5 ft  Width 10 4/5 ft or
Length 34.2 ft and width 10.8 ft

Which are properties of rotations? Check all that apply.

Answers

Answer:  

A rotation maps a line to a line, a ray to a ray, a segment to a segment, and an angle to an angle.

A rotation preserves lengths of segments.

A rotation preserves measures of angles.

Explanation:

What is the sum of 7/22 and 9/22

Answers

 when u have a common a denominator then you just add the numerator that would be 7 and 9. 7 + 9= 16
so ur solution would be 16/22 and then u would simplify by dividing both values by 2.
so the solution is8/11

You need a common denominator. You already have one. So add 7+9=16. Put 16 over 22. That's your answer without reduction.

When you reduce it, divide it by 2 since its an even number.

16/22=8/11

Simplify 3.3l : 900ml

Answers

3.3l : 900ml = 3300 ml / 900 ml = 33/9 

James started tutoring children several times a week. The first 2 weeks he had to purchase tutoring supplies and had losses of $40 and $65. The next 3 weeks he made a profit of $105, $70, and $140. At the end of the 6 weeks, he had a net profit of $252.1. Write an equation to find the profit or loss for the 6th week in this situation.

2. Solve your equation.

3. Was there a profit or a loss for that week?

4. What was James's average profit or loss for the 6 weeks?

Answers

He lost 252-6=246
he has $246 but he spent that so he would have $41
246 divided by 6=$41

Fifteen tickets cost $193.75. what is the average cost of each ticket

Answers

15 tickets cost = 193.75
So, 1 ticket costs = 193.75 / 15 = 12.92

In short, Your Answer would be $12.92

Hope this helps!

Answer:

$12.92

Step-by-step explanation:
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