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2 years ago

This thing mad hard for no reason

Mathematics

2 answers:

pshichka [43]2 years ago

8 0

Answer:

1. 381.81

2. 25.71

3 500.00

4 1.10

5 I'm not sure about it but 0.00002

muminat2 years ago

4 0

Answer:

1. 3.81 x 10^2

2. 2.571428 × 10^1

3. 5x10^2

4. 1.09 x 10^-6

5. 2x10^-5

Step-by-step explanation:

Make sure to put a line over the numbers that have decimals.

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Divide.<br> a.1 − 2i/2i<br> b. 5 − 2i/5 + 2i<br> c.√3 − 2i/−2 − √3i

Umnica [9.8K]

Answer:

(a) \frac{-1i}{2}-1[/tex]

(b) $\frac{20i+21}{29}$

Step-by-step explanation:

We have to perform division

(a) $\frac{1-2i}{2i}$

So after division

$\frac{1-2i}{2i}=\frac{1}{2i}-\frac{2i}{2i}=\frac{-1i}{2}-1$

(b) We have given expression $\frac{5-2i}{5+2i}$

After rationalizing $\frac{5-2i}{5+2i}\times \frac{5-2i}{5-2i}=\frac{(5-2i)^2}{25+4}=\frac{25+4i^2+20i}{29}=\frac{20i+21}{29}$

After rationalizing

$\frac{\sqrt{3}-2i}{-2-\sqrt{3i}}\times \frac{-2+\sqrt{3i}}{-2+\sqrt{3i}}=\frac{-2\sqrt{3}+7i+2\sqrt{3}}{7}=\frac{7i}{7}=i$

5 0

4 years ago

Como divido 1428 entre 7 doy 28 puntos

Dmitry_Shevchenko [17]

204 branliest plssss

6 0

3 years ago

Read 2 more answers

Which of the following values of x will result in a true statement when

vodka [1.7K]

Answer:

Step-by-step explanation:

Here you go mate

Use PEMDAS

Parenthesis

Exponent

Multiplication

Division

Addition

Subtraction

Step 1

-3(x-2)=9 Equation/Question

Step 2

-3(x-2)=9 Remove parenthesis

3x+6=9

Step 3

3x+6=9 Add -6

-3x=3

Step 4

−3x=3 Divide

answer

x=-1

Hope this helps

5 0

3 years ago

Which statement describes the translation of y = −1/5 (x + 5)2 + 2 from standard position? Standard position is when the vertex

stellarik [79]

f(x) + n - move the graph n units up

f(x) - n - move the graph n units down

f(x + n) - move the graph n units to the left

f(x - n) - move the graph n units to the right

---------------------------------------------------------------------------------------

$f(x)=-\dfrac{1}{5}x^2\\\\f(x+5)=-\dfrac{1}{5}(x+5)^2\\\\f(x+5)+2=-\dfrac{1}{5}(x+5)^2+2$

<h3>B. Moved 2 units up and 5 units to the left.</h3>

3 0

3 years ago

A package of 6 pairs of socks cost $35.34 what is the unit price for the pairs of socks

goldenfox [79]

To find the unit price we need to divide the amount of money the item cost by the amount of items we have. Lets do it:-

35.34 ÷ 6 = <span>5.89
1 pair of socks cost $5.89.

CHECK OUR WORK:-

5.89 </span>× 6 = <span>35.34.
We were RIGHT!!

So, 1 pair of socks costs $5.89.

Hope I helped ya!! </span>

5 0

3 years ago

Read 2 more answers