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kipiarov [429]
3 years ago
15

How to solve?

/5 - (-5/11)" align="absmiddle" class="latex-formula">
Mathematics
2 answers:
lorasvet [3.4K]3 years ago
7 0
A calculator lol the answer is 14/55
Strike441 [17]3 years ago
3 0
14/55 in alternative form it’ll be 0.254
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What expression is equivalent to 32
Alekssandra [29.7K]

Answer:

8x=32

Step-by-step explanation:

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3 years ago
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△ABC is mapped to △A′B′C′ using each of the given rules.
sineoko [7]

Answer:

(x,y)→(x+5,y) will be congruent; (x,y)→(5x,5y) will not be congruent; (x,y)→(0.5x, 0.5y) will not be congruent; (x,y)→(x,-y) will be congruent; (x,y)→(-x,-y) will be congruent.

Step-by-step explanation:

The types of translations that result in congruent images are translations or slides; reflections; and rotations.  

Translations will add to the x- and y-coordinates; this is why the first transformation is congruent.

Reflections will negate one or more of the coordinates; this is why the fourth and fifth transformations are congruent.

The remaining two are dilations; these are stretches or shrinks that occur when the coordinates are multiplied by a number other than 1.  These change the size of the figure, which is why they are not congruent.

5 0
3 years ago
Convert 8/12 to a decimal
grigory [225]
You divide the numerator by the denominator. Which gets .66
6 0
3 years ago
The area of a circle, in terms of π, is 80π m2. Find the value of the radius. Give your answer as a simplified surd.
jolli1 [7]

Answer:

r=4\sqrt{5}\:\: \sf m

Step-by-step explanation:

\textsf{Area of a circle}=\pi r^2 \quad \textsf{(where r is the radius)}

Given:

  • Area = 80π m²

Substitute the given value into the formula and solve for r:

\implies 80 \pi = \pi r^2

\implies \dfrac{80 \pi}{\pi} = \dfrac{\pi r^2}{\pi}

\implies 80=r^2

\implies \sqrt{r^2}=\sqrt{80}

\implies r=\sqrt{80}

\implies r=\sqrt{16 \cdot 5}

\implies r=\sqrt{16}\sqrt{5}

\implies r=\sqrt{4^2}\sqrt{5}

\implies r=4\sqrt{5}

4 0
2 years ago
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Simultaneous equations <br>5x + 3y= 31<br>2x + y = 12 <br><br>a. find for x​<br>b. find for y
Anna007 [38]

Answer:

x=5

y=2

Step-by-step explanation:

5x + 3y= 31

-6x - 3y = -36  (multiple  by -3)

 

-x=-5

x=5

2(5)+y=12   or         25 + 3y= 31

10+y=12                  3y=6

y=2                          y=2

8 0
3 years ago
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