MATHEMATICS MIDDLE SCHOOL

Here is a list of numbers, some signs and one pair of brackets2 5 6 18 - * = ()
Use ALL of them to make a correct calculation

Any help I'm grateful for

Answers

Answer 1
Answer: 6 * ( 5 - 2 ) = 18

Which basically is 6*3 = 18

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Log2=0.3010,log3=0.4771 find log25

Answers

log 5 = 0.6990

log 25 = log 5^2 = 2log 5 = 2(0.6990) = 1.398

I assume that the question is missing log(5).

log(5) = 0.6990

We can factor out log(25) using 5.

log(25) = log(5^2)

Rewrite it using the power rule [ \text{log}_ax^p = p~\text{log}_ax ]

log(5^2) = 2 log(5)

Simplify using the given values.

2(0.6990)

1.3980

Therefore, log(25) = 1.3980

Best of Luck!

How do you think you could represent the number 2,300 as a number times a multiple of 10? How do you think you could represent the number 2,300 as a number times 10 to some exponent? How would you describe the relationship between the two representations? plzz helppp

Answers

The number 2.3 is the coefficient, the number 10 is the base while the number 3 is the exponent.

In the scientific notation, a number is written followed b an exponent. It is necessary to note that the scientific notation is used to reduce the size of digits to something manageable.

The number 2,300 can best be represented as a number times 10 to some exponent in the manner 2.3 × 10^3. The number 2.3 is the coefficient, the number 10 is the base while the number 3 is the exponent.

Learn more about scientific notation:brainly.com/question/1719099
In common scientific notation, any nonzero quantity can be expressed in two parts: acoefficient whose absolute value is greater than or equal to 1 but less than 10, and a power of 10 by which the coefficient is multiplied. In some writings, the coefficients are closer to zero by one order of magnitude. In this scheme, any nonzero quantity is expressed in two parts: a coefficient whose absolute value is greater than or equal to 0.1 but less than 1, and a power of 10 by which the coefficient is multiplied. The quantity zero is denoted as 0 unless precision is demanded, in which case the requisite number of significant digits are written out -- for example, 0.00000.

A branch of mathematics that uses variables

Answers

I would think that algebra is. It uses variables. Don't take my word for it, but I'm pretty sure it is that. Hope this helps ^-^
quadratic expressions use variables and they are a branch of math

If x = -5, then |x - 7| =
A: -12
B: 2
C: 12
D: -2

Answers

x=-5\n\n|(-5)-7| = \n(-5)-7=-12\n\nTherefore, \n\boxed{|(-5)-7|=12}

Remember that there cannot be a negative number in an absolute value.
|-5-7|=|-12|=12
........

How do you solve 3(m + 5 + 9m)

Answers

Answer:

30m+15

Step-by-step explanation:

First, collect the like terms: 3(10m+5)

Next, multiply the numbers inside the brackets with 3:

3*10m=30m

3*5=15

So the answer is 30m+15

Answer:30m+5

Step-by-step explanation:

3(m+5+9m)

3m+15+27m

30m+5

The answer show work please

Answers

well you need to do 10 plus 13 which equals 23 you don't count the inside number
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