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erastova [34]
3 years ago
13

1. Simplify the expression. Assume that

Mathematics
1 answer:
ololo11 [35]3 years ago
5 0

Answer:

b. 6|x|

Step-by-step explanation:

√(36x²) = √36√(x²)= 6|x|

Because √ from the number can be only positive.

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In 2010, there were 311 middle schools in Virginia. In 2016, there were 306. By what percent did the number of middle schools in
Nataly_w [17]

Answer:1.6%

Step-by-step explanation: no of students in 2010=311

no of students in 2016=306

difference=311-306

                 =5

%decrease=5/311 x 100

3 0
3 years ago
The length of a rectangular deck is five times it's width if the decks perimeter is 24 feet what is the decks area
miv72 [106K]

Answer:

20 square feet

Step-by-step explanation:

The length of a rectangular deck is five times it's width if the decks perimeter is 24 feet what is the decks area

Step 1

We find the Length and Width of the deck

Perimeter of a rectangle = 2L + 2W

The length of a rectangular deck is five times it's width

W = Width

L = Length = 5W

P = 24 feet

Perimeter = 2(5W) + 2W

24 = 10W + 2W

24 = 12 W

W = 24/12

W = 2 feet

Solving for L

L = 5W

L = 5 × 2 feet

L = 10 feet

Step 2

We find the area of the deck

Area of the deck(Rectangle) = Length × Width

= 10 feet × 2 feet

= 20 square feet

4 0
2 years ago
What is the percent of N in<br> NH3?<br> (H = 1.008 amu, N = 14.01 amu)<br> [?]%
babymother [125]

Answer:82.24%

Step-by-step explanation:

3 0
3 years ago
Which is the equation of a line that has a slope of -7 and a y-intercept of 2?
Leni [432]

Answer:

y = -7x + 2

Step-by-step explanation:

in the general equation y = ax + b, a is the slope and b is the y coordinate of the y intercept.

5 0
2 years ago
Read 2 more answers
Simplify the rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression.
BaLLatris [955]

Answer:

y ≠ 9, y ≠ 3

Step-by-step explanation:

y² -12y +27 = (y - 9) (y - 3)

Denominator ≠ 0

y ≠ 9 or y ≠ 3

5 0
3 years ago
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