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wlad13 [49]
4 years ago
5

When are brackets used in a expression?

Mathematics
1 answer:
Pani-rosa [81]4 years ago
3 0

When brackets are used in a expression its most likely there and there's parenthesis inside of the brackets. Hope this helps. :|

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HEYY CAN YOU hELP
Gre4nikov [31]

Answer:

10x+3.50=

Step-by-step explanation:Hope this is correct

3 0
3 years ago
Read 2 more answers
-11x - 7y = -56, solve for y (must be in form y = mx + b)
Rasek [7]

Answer:

y= -11/7x+8

move variables to the right hand side and change its sign

-7y=-56+11x

change the signs on both sides of the equation

7y=56-11x

divide both sides by 7

y=8-11/7 x

reorder the terms and get y= -11/7x+8

4 0
4 years ago
Find the volume of this square pyramid to the nearest tenth.
Hitman42 [59]
Formula:

V = 1/3 * b^2 * h

Plug in what we know:

V = 1/3 * 7^2 * 16

Simplify the exponent:

V = 1/3 * 49 * 16

Multiply all 3 numbers together:

V = 261.3cm^3
7 0
3 years ago
Can a math equation be like this:
ANTONII [103]

Answer:

  • Yes

Step-by-step explanation:

As per given information there are 18000 CCTV cameras in the area of 783.8 square kilometers

To find the average number of cameras you divide the number by the area.

The average number of CCTV cameras per square kilometer in NYC = 18000/783.8 = 22.9650421026 ≈ 23

It should be rounded up if taking approximate number

Yes you can have as many equal signs as you need and the approximately equal sign in the same equation.

8 0
3 years ago
The sum of three consecutive even integers is −246. Find the three integers.
Karolina [17]

Answer:

-83, -82, and -81

Step-by-step explanation:

Step 1: Declare your variable

Let x represent the largest of the 3 consecutive integer

Integer 1: x

Integer 2: x + 1

Integer 3: x + 2

Step 2: Create an equation

(x) + (x + 1) + (x + 2) = -246

Step 3: Solve

x + x + 1 + x + 2 = -246

3x + 3 = -246

3x = -249

\frac{3x}{3}=\frac{-249}{3}

x = -83

FInd the other 2 numbers

Integer 1: -83

Integer 2: -82

Integer 3: -81

Step 4: Therefore Statement

Therefore the 3 consecutive numbers are -83, -82, and -81

3 0
3 years ago
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