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SVETLANKA909090 [29]
2 years ago
5

PLS HELP I NEED HELP What is the area of this shape?

Mathematics
1 answer:
Vlad1618 [11]2 years ago
5 0
The area of the shape is 4 cm
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Evaluate \dfrac{3}{2}+(-k)+(-2)
Dimas [21]

As I understand, we need to evaluate the given rational expression, we will get that the evaluated expression is equal to - 1/10

<h3>Evaluating expressions:</h3>

Evaluating an expression just means that we need to replace the variable in the expression for a given value, here we have the expression:

\frac{3}{2} + (-k) + (-2)

And we want to evaluate it in:

k = -\frac{2}{5}

So we just need to replace k by that value in the above expression, we will get:

\frac{3}{2} + (-(-\frac{2}{5} )) + (-2)

Now we can just solve this:

\frac{3}{2} + (-(-\frac{2}{5} )) + (-2)\\\\\frac{3}{2} + \frac{2}{5}  + (-2)\\\\\frac{15}{10} + \frac{4}{10}  + (-2) = \frac{19}{10} - \frac{20}{10}= -\frac{1}{10}

If you want to learn more about evaluating expressions, you can read:

brainly.com/question/4344214

4 0
2 years ago
When two identical ions are separated by a distance of 4.2×10−10 , the electrostatic force each exerts on the other is 5.2×10−9
Effectus [21]
F = kq2 / r2 
q = ne 
 F = k(ne)2 / r2 
 n = âš(r2F / ke2) = (r/e) âš(F/k) 
 k = 9 x 109 Nm2/C2 
 e = 1.6 x 10-19 C 
 n = [(4.2 x 10-10) / (1.6 x 10-19)] âš[(5.2 x 10-9) / (9 x 109)] ≅ 1.995 ≅ 2
7 0
3 years ago
If lin runs 24 laps at the same rate how long does it take her
sveta [45]

Answer:

is that all

Step-by-step explanation:

if she runs 24 laps a minute then the next minute she would of ran 48

5 0
2 years ago
Read 2 more answers
What is the volume of the shape below? Use 3.14 for 8in. 3 in​
musickatia [10]
The answer is 75.4

Explanation
7 0
2 years ago
Steven has 1/3 of package of biscuit mix left.He will use equal para of the leftover mix to make three watches of biscuits. If h
Nuetrik [128]

Answer:

1/9

Step-by-step explanation:

(1/3)/3 = 1/9

3 0
2 years ago
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