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stepan [7]
4 years ago
15

In a complete sentence, write down a method you could use to determine if an equation is written in the correct way.

Mathematics
1 answer:
Sergio039 [100]4 years ago
3 0

An equation is written in a correct way if the equation is balanced. If you want to find out if the equation is balanced, you have to count how many molecules of each element is present and then just balance the equation on the left side and the right side.

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What digit makes 2,530 divisible by 9<br><br> A) 6<br> B) 5<br> C) 7<br> D) 8<br><br> PLEASE HELP
Lady_Fox [76]

im going to say d but im not good at math


8 0
3 years ago
Which sum or difference identity could be used to prove that sin(pie + q) = -sin q
Paladinen [302]

Answer:

see below

Step-by-step explanation:

<em><u>sin(a+b) = sin(a)cos(b) + cos(a)sin(b)</u></em>

sin(π+q) = sin(π)cos(q) + cos(π)sin(q)

sin(π) = 0

cos(π) = -1

therefore

sin(π+q) = 0*cos(q) -sin(q) = -sin(q)

7 0
3 years ago
Can i get a lil help here, lollolll
Ratling [72]

Answer:

5 + 2 = 7

4 squared = 16

16 - 7 = 9

value = 9

8 0
3 years ago
You have the following numbers: 1, 2, 3, 4, 5. Using these numbers, write at least 10 different mathematical expressions. Use at
masya89 [10]

Mathematical expressions allow us to relate numbers using mathematical symbols to make calculations. some examples are:

  • 2 + 3 = 5
  • 4 - 1 = 3
  • 2 × 2 = 4
  • 4 ÷ 2 = 2
  • 2² + 1 = 5
  • (1 + 2) + (2 × 1) = 5
  • (2 + 3) - 4 = 1
  • (2 + 2)² ÷ 4 = 4
  • (2 ÷ 4)² × 4 = 1
  • (2 + 2)² (4 ÷ 2) - (2 × 4)(5 - 1) + 5 = 5

<h3>What is a mathematical expression? </h3>

A mathematical expression is a sequence of characters that are intended to express a general relationship between the terms expressed in the formula.

Mathematical expressions generally have symbols like:

  • Add +
  • Subtraction -
  • Multiplication ×
  • Division ÷
  • Exponent x^{x}
  • Equal =
  • Parentheses ()

According to the above, some examples of mathematical expressions are:

  • 2 + 3 = 5
  • 4 - 1 = 3
  • 2 × 2 = 4
  • 4 ÷ 2 = 2
  • 2² + 1 = 5
  • (1 + 2) + (2 × 1) = 5
  • (2 + 3) - 4 = 1
  • (2 + 2)² ÷ 4 = 4
  • (2 ÷ 4)² × 4 = 1
  • (2 + 2)² (4 ÷ 2) - (2 × 4)(5 - 1) + 5 = 5

Learn more about mathematical expressions in: brainly.com/question/14712183

5 0
3 years ago
Assignment: Organizing the Build Investigation
pentagon [3]

The first step to solving this problem is to decide the best approach to organizing the Nuts and Screws.

I personally would start by separating both groups, this way it becomes easier to know roughly where to look to find what you need. After doing this it would make sense to simply place the bigger Nuts with the bigger Nuts and the bigger screws with the bigger screws, which would leave you with 4 separate groups. The 2 nut groups would be on one side and the 2 screw groups would be on the side.

Now for the number line, I have included the decimal numbers in order down below, we will start with the smallest fraction and begin to plot the points.

*I have also included my graph that I drew on Desmos as well down below*

And now by using everything I have given you the answer to the last question becomes clear ;-) :

4 Screws 1/16” x 3” long

6 Screws 11/64” x 4” long

16 Screws 3/8” x 2” long

1 Screw 7/16” x 3” long

12 Screws 5/64” x 3” long

3 Screws 3/32” x 4” long

1 Screw 1/2” x 3” long

1 Screw 3/4” x 2” long

4 Hex bolts 1.5” x 4” long

DSMT4 4 Hex bolts 1 7/8” x 4” long

1 Hex bolt 2.25” x 2” long

4 Hex bolts 3.75” x 3” long

6 Hex bolts 3 3/8” x 3” long

If you find out that my answer is wrong just let me know, and I guarantee that I will come back and rework my math :-)

Ps. By rating people and giving people Brainliest you not only make them feel good but you get 25% of the points you spent back :-)

6 0
3 years ago
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