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3 years ago

II. Write whether each number is an EXPRESSION or an EQUATION.

Mathematics

1 answer:

bulgar [2K]3 years ago

8 0

Answer:

11. Expression

12. Equation

13. Equation

14. Expression

15. Equation

Step-by-step explanation:

Expression:

Has no equal sign.

Equation:

Has equal sign.

11. 2 + 5

14. X + 25

Those which do not have the equal sign are expressions.

12. 2 + 5 = 7

13. 4x = 12

15. 16 - 6 = 10

Those with the equal sign are equations.

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Fill in the missing values to make the equations true.

azamat

Step-by-step explanation:

Some of the property of log are as follows :

1. $\text{log a}-\text{log b}=\text{log} \dfrac{\text{a}}{\text{b}}$

2. $\text{log a}+\text{log b}=\text{log}(a{\cdot} b)$

3. $\text{log}a^n=n\ \text{log} a$

Now coming to question,

(a) $\text{log 5}-\text{log 8}=\text{log} \dfrac{\text{5}}{\text{8}}$ (using property 1)

(b) $\text{log 1}+\text{log 3}=\text{log}(1{\cdot} 3)=\text{log} 3$ (using property 2)

Hence, this is the required solution.

5 0

2 years ago

Jimmy ran 3 miles west from home and then turned north and jogged 4 miles. In a straight line, how far is Jimmy from home?

Anit [1.1K]

In a straight line jimmy is 5 miles far

5 0

3 years ago

Read 2 more answers

There are 23 teacher in a school. How many students are there in the school, in equivalent ratio

MrRa [10]

Answer:

Need more info

Step-by-step explanation:

6 0

3 years ago

Sue played four games of golf.

alisha [4.7K]

Answer:

Sue's scores for the four games in ascending order are: 97, 98, 98, 107

Step-by-step explanation:

Her modal score was 98. The mode is found by using the number that appears most often. This means that 98 has to appear at least two times out of the four scores.

Her range was 10. The range is found by taking the highest score and subtracting it from the lowest score. The highest score had to be greater than 98 and the lowest score had to be less than 98 since we know the mode was 98.

Her mean score was 100. This mean is found by adding all the numbers together and then dividing by the total numbers listed. Adding the four scores together and dividing by 4 will equal 100.

Used guess and test:

Highest Number, 98, 98, Lowest Number

107 - 97 = 10 (meets range requirement)

97 + 98 + 98 + 107 = 400

400/4 = 100 (meets the mean requirement)

7 0

3 years ago

Read 2 more answers

What is the missing exponent <br> (10^6)^_=10^-18

MaRussiya [10]

Hello,

You have to know this property:

$(x^{a})^b=x^{a*b}\\\\We have:\\\\(10^6)^x=10^{-18}\\\\So:\\ \\ 6*x=-18 \\ x= \frac{-18}{6} \\ \boxed{x=-3}$

3 0

3 years ago