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3 years ago

13

Can someone plz help

1 answer:

KonstantinChe [14]3 years ago

8 0

Answer:

i cant see picture sorry

Step-by-step explanation:

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Which is the graph of x Greater-than-or-equal-to 98.6? A number line going from 95 to 103. A closed circle is at 98.6. Everythin

Afina-wow [57]

Answer:

The correct option is;

A. A number line that goes from 95 to 103. A closed circle is at 98.6. Everything to the right is shaded.

Step-by-step explanation:

To represent x greater-than-or-equal-to 98.6 on the number line we note that an open circle stands for either a less than or a greater than, while an open circle stands for either less than or equal to or greater than or equal to

The correct way to represent x greater than or equal to 98.6 on the number line, we indicate the point 98.6 with a closed circle and we shade everything in the region of the solution which is to the right of the closed circle

Therefore the correct option is A. A number line that goes from 95 to 103. A closed circle at is at 98.6. Everyting to the right is shaded.

4 0

3 years ago

The following time series shows the sales of a clothing store over a 10-week period. Compute the mean square error (MSE) for a 4

Alenkasestr [34]

Answer:

7.67

Step-by-step explanation:

Given the data :

Week_sales_Forecast ___|error|_ |error|²

1 _____15

2 ____ 16

3 ____ 19

4 ____ 18

5 ____ 19 ____ 17 _______ 2____4

6 ____ 20 ___ 18 ________2____4

7 ____ 19 ____19 ________0____0

8 ___ 22 ____ 19 ________3____9

9 ___ 15 ____ 20 ________5___ 25

10 __ 21 _____19 ________ 2 ___ 4

Mean squared error :

(4 + 4 + 0 + 9 + 25 + 4) / 6

= 46 / 6

= 7.666

= 7.67

8 0

3 years ago

Read 2 more answers

Given a graph, with no equation, how can you graph the inverse?

patriot [66]

There are two different ways you can do this, I have provided both below.

Answer: You can switch all the x and y coordinate values.

For example, if you have (2, 1) you would graph (1, 2).

Another example, if you have (677, 83) you would graph (83, 677)

Answer: Flip the graph over the line of y = x

I have attached an example from<em> lumenlearning.com</em>.

4 0

3 years ago

use a mental math strategy to find 4,290+3,602. explain how to check your answer using a different strategy.

Marianna [84]

=7,892 , you could write out your numbers, then line them up to then add them.

5 0

3 years ago

About 1.75 million people live in a circular region with a 15-mile diameter. Find the population density in people per square mi

pav-90 [236]

About 1.75 million people live in a circular region with a 15-mile diameter. Find the population density in people per square mile.

Solution: We are given that the population of a circular region = 1.75 million = $1,075,000$

Also we are given the circular region has a diameter = 15 mile

Which means the radius of region $\frac{15}{2}=7.5$ mile

Therefore, the area of the circular region $=\pi r^{2}$

$=3.14 \times 7.5^{2}$

$=176.625$

Now the population density per square mile is:

$\frac{1075000}{176.625}$

$6086.34 \approx6086$

Therefore, the population density per square mile is 6086

5 0

3 years ago

Read 2 more answers