Answer with explanation please?​

[tex]\\ \rm\longmapsto \overline{z}=-(z)[/tex]

[tex]\\ \rm\longmapsto \overline{z}=-(x+iy)[/tex]

[tex]\\ \rm\longmapsto \overline{z}=-(\sqrt{3}+2)[/tex]

[tex]\\ \rm\longmapsto \overline{z}=-\sqrt{3}-2[/tex]

Answer: 3/20

Concept:

When encountering questions that ask for [how much longer A comparing to B], the basic operation would be the value of A subtracted by the value of B.

Solve:

Given information

Maggie study time = 2/5 hours

Julie study time = 1/4 hours

Given expression deducted from the concept

Maggie (study time) - Julie (study time)

Substitute values into the expression

2/5 - 1/4

Find the denominators' Least Common Multiple (LCM)

First five multiples of 5: 5, 10, 15, 20, 25

First five multiples of 4: 4, 8, 12, 16, 20

Since [20] is the first term that appears in both multiples, it would be the LCM of 4 and 5

Convert the fractions to common denominator

2/5 = (2 × 4) / (5 × 4) = 8 / 20

1/4 = (1 × 5) / (4 × 5) = 5 / 20

Simplify by subtraction

=8/20 - 5/20

=(8 - 5) / 20

=[tex]\boxed{\frac{3}{20} }[/tex]

Hope this helps!! :)

Please let me know if you have any questions

Answer:

3/10

Step-by-step explanation:

Take the number of pizzas and divide by the number of people

3 pizzas / 10 people

Each person got 3/10 of a pizza

Answer:

[tex] \frac{3}{10} [/tex]

Step-by-step explanation:

[tex] \frac{pizza}{number \: \: of \: \: \: people} \\ \frac{3}{10} [/tex]

Each person received 3/10 of pizza

Answer:

opt. 2

Step-by-step explanation:

take (4,0) as solution

0= -1/2(4)+2

  = -2+2 = 0

Answer: B

Step-by-step explanation:

Answer:

[tex]3( \frac{7}{5}x + 4) - 2( \frac{3}{2} - \frac{5}{4} x) \\ \\ \frac{21}{5} x + 12 - 3 + \frac{5}{2} x \\ \frac{21}{5} x + \frac{5}{2} x + 9 \\ \frac{67}{10}x + 9[/tex]

Answer:

you would add 3x+2 and 6x-4

9x -2 is the length

Step-by-step explanation:

Step-by-step explanation:

the explanation is in the diagram above

Answer:

Undercast refers to a forecasting error when estimated numbers turn out to be lower than realized numbers. The estimates that are valued can include sales, expenses, income, cash flows, or any other financial account or metric.

Answer:

3/8

Step-by-step explanation:

1/2=⁴/8 and ⁴/8-¹/8=³/8

Step-by-step explanation:

14. 8

15. 60

16. 42

17. 45

18. 2

19. 8

20. 13

21. 18

o 14 . —> 8

o 15. —> 60

o 16 . —> 42 ( not 43 )

o 17. —> 45

o 18. —> 2

o 19. —> 8 (not 4 )

o 20. —> 13

o 21 —> 18 (not 12)

I hope I helped you^_^

let "L" represent the length of the rectangle

let "W" represent the width of the rectangle

Area of the rectangle = LW

68= LW --------eqn 1

Area of a square = L/2 ×L/2

34= L^2/4

136=L^2

L= 11.67

From eqn 1 , W=68/L

W=68/11.6619

W=5.83

Answer:

A

Step-by-step explanation:

in step 1, when expanding the bracket, ken needed to do 2×5y AS WELL as 2×-1 which they didn't do. the correct answer after the first step should be 10y-2=18

Answer:

The answer is 2,157

Step-by-step explanation:

15,099÷7=2,157

Answer:

186 [tex]in^{2}[/tex]

Step-by-step explanation:

6*3=18

18*2=36

7+3=10

15*10=150

150+36=186

Answer:

X=67°,Z=113°,Y=0°

Step-by-step explanation:

2.1=

X+113°=180°(being straight angle)

Or, X=180°-113°

Or,X=67° answer

Now,

Z=113°(being alternative angle)

Again,Y+Z+X=180°(being co-interior angle)

Or, Y+113°+67°=180°

Or,Y+180°=180°

Or,Y=180°-180°

=Y=0° answer

Answer:

Step-by-step explanation:

1. 20

2. 100

3. 25

4. 45

5. 50

6. 54

7. 80

8. 192

9. 33

10. 128

Answer:

21

Step-by-step explanation:

3^2=9

9+12=21

Keep it up

Step-by-step explanation:

স্বদেশী আন্দোলনৰ তিনি টা অৱদান উল্লেখ কৰা

Answer:

(14,-8)

Step-by-step explanation:

Given (6,-1),

Translating (6,-1) 8 units right and 7 units down,

(6,-1)

=(6+8,-1-7)

=(14,-8)

Please mark brainliest.

Answer:

2300

Step-by-step explanation:

when rounding 2259 to the nearest hundred look at the digit in the tens place, if the number is 5 or higher, you round up to 2300, if its 4 or less, you round down to 2200. hope this helps!

Answer:

201.13

Step-by-step explanation:

Answer:

The easiest approach is to realise that one hour is 3 times longer than 20 minutes. The longer the time, the more they will pave.

215 of a mile, in 20 minutes, how much in 60 minutes?#

They will pave 3 times more.

215×31=615 of a mile

615=25 of a mile

You could also use the 'unitary method' where you find out how much they pave in ONE minute (divide by 20) and them multiply by 60 to find how much in one hour.

Look at what happens:

215÷20×60

=215×120×603

=215×3 ← exactly the same maths.

=25

Answer:

Srectangle: (3y+1)*25=75y+25(cm^2)

Step-by-step explanation:

Srectangle= w*L

Answer:

(-1,1)

Step-by-step explanation:

First split it into 2 functions, when x≥0 let f1(x)=x1+x and when x<0 let f2(x)=x1−x now we have 2 functions that are continuous on their domains.

Step-by-step explanation:

steps are in picture above.

Note:if you need to ask any question please let me know.

Answer:

None of the above.

Step-by-step explanation:

Just subtract the functions

Answer:

7

Step-by-step explanation:

x + 8 = 15

Subtracting 8 from both sides,

x = 15 - 8

=> x = 7