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ryzh [129]
3 years ago
12

Which statement is true about the solution to /2x-1 = - 1?

Mathematics
2 answers:
just olya [345]3 years ago
4 0

Answer:

D) no real numbers

Step-by-step explanation:

Strike441 [17]3 years ago
3 0

Answer:

The solution is x = 1 because 2(1) - 1 = -1

Step-by-step explanation:

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find the simple interest earned to the nearest cent for principal interest rate and time. $570, 6% , 1 year
olasank [31]

Answer:

34.2

Step-by-step explanation:

570 x 0.06 6% is the interest

4 0
3 years ago
I need to find the x pls help and show work
grigory [225]

Answer:

77

Step-by-step explanation:

84/12=7

so

7*11= 77

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3 years ago
X°and x+2 are complementary angles then find the angles<br>​
Elanso [62]

Answer:

44° and 46°

Step-by-step explanation:

Complementary angles sum to 90° , thus

x + x + 2 = 90

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Thus the 2 angles are 44° and 44 + 2 = 46°

4 0
3 years ago
An isosceles triangle has a perimeter of 18 cm. Find a function that models its area A in terms of the length of its base b.
IgorLugansk [536]
So.... notice the picture below

now, we know what the "height" or "altitude" is
now, we also know the perimeter is 18cm

so, k + k + b = 18
or 2k + b = 18
thus  \bf k=\cfrac{18-b}{2}

so... one can say that \bf \textit{area of a triangle}=A=\cfrac{1}{2}bh\qquad &#10;\begin{cases}&#10;b=b&#10;\\\\&#10;h=\sqrt{k^2-\left( \frac{b}{2} \right)^2}&#10;\\\\&#10;h=\sqrt{k^2-\frac{b^2}{4}}\\&#10;--------------\\&#10;k=\frac{18-b}{2}\qquad thus\\&#10;--------------\\&#10;h=\sqrt{\left( \frac{18-b}{2} \right)^2-\frac{b^2}{4}}&#10;\end{cases}\\\\&#10;-----------------------------\\\\&#10;A=\cfrac{1}{2}\cdot b\cdot \sqrt{\left( \frac{18-b}{2} \right)^2-\frac{b^2}{4}}

and you can simplify it if you wish.. not sure you have to

7 0
3 years ago
Please help, much needed. A lot of points
svetoff [14.1K]

Answer:

A. -9

Step-by-step explanation:

If one of the variables were negative than, it would not be able to equal 2/7.

8 0
3 years ago
Read 2 more answers
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