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erik [133]
3 years ago
15

Thissssssssssssssss sssss​

Mathematics
1 answer:
Gnoma [55]3 years ago
4 0

Answer:

x=4

Step-by-step explanation:

DE+EF=DF

(x-1)+(3x+3)=(5x-2)

x-1+3x+3=5x-2

4x+2=5x-2

-x=-4

x=4

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Each afternoon at least 40 people buy coffee in a coffee shop right in a quality that represents the situation let X represent t
Step2247 [10]

Answer: x ≥ 40

Step-by-step explanation:

Hi, to answer this question and write the inequality we have to analyze the information given:

Each afternoon at least 40 people buy coffee in a coffee shop

In Math, at least means more or equal (≥).

So, if X represents the number of people who buy coffee in an afternoon, the inequality is (Mathematically speaking) :

X ≥ 40

Feel free to ask for more if needed or if you did not understand something.

8 0
3 years ago
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konstantin123 [22]
What are u asking can u be more specific ? If u can maybe I can help
8 0
3 years ago
Give at least four different symbols that have been used to represent specific statistical measures. Describe what measure each
natta225 [31]

Answer:

Variance                    0²

standard deviation   0×

mean                          α

median                      x-bar

Step-by-step explanation:

these are the four different symbols that have been used to represent specific statistical measures like for example, mean which is used to calculate the average value of a sample or population. Variance is the what is expected from the squared standard deviation of a random variable from is average vale/ mean. Median is the value that lies in the middle in a random sample and lastly the standard deviation is the square root of the variance and it measures how the values of sample are spread or how far are they from the mean. these are also commonly use in excel a lot to calculate and evaluate data.

6 0
3 years ago
Solve using quadratic formula.<br><img src="https://tex.z-dn.net/?f=4%20%7Bs%7D%5E%7B2%7D%20%2B%208s%20%2B%204%20%3D%200" id="Te
lianna [129]
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3 0
3 years ago
7. Write the equation of a line which passes through the points (-3,5) and (6,23)
faust18 [17]

Answer:

answer to the equation is

y = 2x + 11

Step-by-step explanation:

y = mx + b

first find the slope of the line using the two points

slope \: m =  \frac{y2 - y1}{x2 - x1}  =  \frac{23 - 5}{6 - ( - 3)}   \\ =  \frac{18}{9}  \\ slope \: m = 2

substitute 2 for m and use one of the points for x and y and solve for b

5 = 2( - 3) + b \\ 5 =  - 6 + b \\ 5 + 6 = b \\ b = 11

Now that you found b, the y-intercept, you can substitute that into the equation for your line

y = 2x + 11

7 0
3 years ago
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