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Darya [45]
3 years ago
6

-2/9-(-3) How do you solve it

Mathematics
1 answer:
zloy xaker [14]3 years ago
5 0

Answer:

-15

Step-by-step explanation:

-2/9= -18-(-3)= -15

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According to a study, 91% of all adults have a cell phone. An employee of a cell phone company attends a community event and has
umka2103 [35]

Answer:

(0.91)^{20}(0.09)

Step-by-step explanation:

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3 years ago
The slope of the line below is 2 use the coordinates of the labeled point to find a point slope equation of the line
yan [13]

Answer:

B.

Step-by-step explanation:

The answer is B. The problem says that the slope is 2 and it as the points (3,10) on its line. When looking at the graph, you can see that the line crosses at four on the y-intercept which is why four will be your constant. So, your equation in slope intercept form will become y=2x+4. With this, you can start eliminating the given answers.

You can immediately eliminate c and d because the 2 is negative when it isn't in its slope form. It leaves you with a and b.

When looking at both a and b you now have to look at what your y will become when you sinplify both of them. In choice a, the 2 multiplies with the 3 and gives you 6. Since you have to leave the y by itself you have to subtract 10 from both sides which will leave you with -4. Since your y-intercept isn't negative you know that a isnt the ansewr.

When checking b, you multiply the 2 and -3 to get -6. Since you have to leave the y by itself, you add 10 to each side and end up with 4 which is the same number that crosses the y-axis. and that is how you know it's the right answer.

5 0
3 years ago
Read 2 more answers
What is the slope of the line passing through the points (-3, 4) and (2, - 1)? A -1
Serggg [28]

Answer:

A

Step-by-step explanation:

Calculate the slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 3, 4 ) and (x₂, y₂ ) = (2, - 1 )

m = \frac{-1-4}{2-(-3)} = \frac{-5}{2+3} = \frac{-5}{5} = - 1 → A

3 0
2 years ago
What unit rate is 420 miles in 7 hours?
STatiana [176]

420 miles in 7 hours

420/7

60 miles per hour

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oksian1 [2.3K]
Y-5= 3(x-0)

Y-5= 3x
Y= 3x + 5


Hope this helps!
7 0
2 years ago
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