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zhuklara [117]
3 years ago
9

Will give brainly! Please help...

Mathematics
1 answer:
olga55 [171]3 years ago
4 0

a) Choose Z since the σ is smallest . The smaller the σ the higher the consistency. Also we can see that the fewest day the student attendance is higher than other while the highest day is the same with others.                        (L = 130 ,H = 180)


b) Choose W since mean in W is the highest.



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List all the elements of each set. Set of the values of x that turn equation 0.7(x−7)−4.9=5.7 into a true statement
Paraphin [41]

Answer: 22.14 (22.1428571429)

Step-by-step explanation:

OK

Let's Start with the equation

0.7(x−7)−4.9=5.7

Add 4.9 to both sides

0.7(x-7)=10.6

Divide both sides by 0.7

x-7= 15. 1428571429

Add 7 to both sides

x= 22.1428571429 or 22.14

3 0
3 years ago
The lengths of three line segments are 4 cm, 5 cm, and 9 cm. Using the information how many triangles can be constructed
anyanavicka [17]

No triangles can be constructed because

a+b>c

4+5 is not greater than 9

7 0
3 years ago
Use the hundredths grid to answer the question.
professor190 [17]

The question is an illustration of multiplication model.

The multiplication model is: \mathbf{0.90 \times 0.10 =0.09}

From the figure, the shaded portions are:

\mathbf{Green = \frac{90}{100}}

\mathbf{Orange = \frac{10}{100}}

So, the multiplication model represents:

\mathbf{Model =Green \times Orange}

This gives

\mathbf{Model =\frac{90}{100} \times \frac{10}{100}}

Express as decimal

\mathbf{Model =0.90 \times 0.10}

\mathbf{Model =0.09}

Hence, the multiplication model is:

\mathbf{0.90 \times 0.10 =0.09}

Read more about multiplication models at:

brainly.com/question/1928793

3 0
3 years ago
What is the domain of y = log Subscript 5 Baseline x?
Marina CMI [18]

Answer:

For this case we have this function given:

y = log_5 (x)

In order to find the domain we need to find the possible values of x that the function can assume.

And we know that for this case the logarithm for 0 or neagtive numbers is not possible to calculate it, so then we can say that the domain for this case is:

x> 0

And we can write this in formal notation as:

D = [ X \in R | X>0]

And the best answer for this case would be:

all real numbers greater than 0

Step-by-step explanation:

For this case we have this function given:

y = log_5 (x)

In order to find the domain we need to find the possible values of x that the function can assume.

And we know that for this case the logarithm for 0 or neagtive numbers is not possible to calculate it, so then we can say that the domain for this case is:

x> 0

And we can write this in formal notation as:

D = [ X \in R | X>0]

And the best answer for this case would be:

all real numbers greater than 0

6 0
4 years ago
Read 2 more answers
Explain how to convert a fraction to a percent.
egoroff_w [7]

Answer:

Convert the fraction to a decimal number. The fraction bar between the top number (numerator) and the bottom number (denominator) means "divided by." ...

Multiply by 100 to convert decimal number to percent. 0.25 × 100 = 25%

Step-by-step explanation:

6 0
4 years ago
Read 2 more answers
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