MAX POINTS!!!! Please help me solve the problem in the picture and tell me what I’m doing also explain each step.

Answers

Answer 1

Answer 0.4
Regroup terms: 0.8 - j= -0.9j + 0.76
Add j to both sides: 0.8 = -0.9j + 0.76+j
Simply : 0.8=0.1×j+0.76
Subtract: 0.76 from both sides 0.8-0.76=0.1x j
Simplify 0.8−0.76 to 0.04: 0.04= 0.1×j
Divide both sides by 0.1: 0.04/0.1=j
Simply 0.04/0.1 to 0.4: 0.4 =j
Switch sides: j= 0.4

Answer 2

I know myself that the answer is 0.4

Related Questions

5. Maribel makes bead necklaces. She uses a
ratio of 4:2:3 when threading green, brown and
yellow beads on the wire. How many green and
yellow beads will Maribel use for a necklace
Icontaining a total of 117 beads?

A. 52 green beads; 39 yellow beads

B. 52 green beads; 26 yellow beads

C. 26 green beads; 52 yellow beads

D. 39 green beads; 52 yellow beads

Answers

Answer:

A. 52 green beads; 39 yellow beads

Step-by-step explanation:

See the attachment. If we take the ratios of 4, 2 , and 3, they add to 9. The

Green (G), Blue (B), and Yellow (Y) will have 4/9, 2/9 and 3/9 each of the total beads, 117.

G: 52 Beads

B: 26 Beads

Y: 39 Beads

Suppose a normal distribution has a mean of 79 and a standard deviation of 7. What is P(x ≥ 72)?

A. 0.84
B. 0.975
C. 0.025
D. 0.16

Answers

Approximately 65% of the distribution lies within one standard deviation of the mean, which is to say,

P(72 ≤ x ≤ 86) ≈ 0.65

Normal distributions are symmetric, so the percentage of values one standard deviation below the mean is equal to the percentage of values one standard deviation above the mean.

P(72 ≤ x ≤ 79) = P(79 ≤ x ≤ 86)

but since the sum of these make up P(72 ≤ x ≤ 86), we find

P(72 ≤ x ≤ 79) ≈ 0.65/2 = 0.325

Also due to symmetry, exactly half of the distribution lies to either side of the mean; namely,

P(x ≥ 79) = 0.5

It follows that

P(x ≥ 72) = P(72 ≤ x ≤ 79) + P(79 ≤ x)

P(x ≥ 72) = 0.325 + 0.5

P(x ≥ 72) = 0.825 ≈ 0.84

Answer: 0.84

Step-by-step explanation:

5x squared +1=4x-7 solve the equation using the quadratic formula

Answers

Answer:

Step-by-step explanation:

- B ± √ B2-4AC

x = ____________

which will be

4 ± √ -144

x = _______

x =(4-√-144)/10=(2-6i)/5= 0.4000-1.2000

Danielle earns a 7.75% commission on everything she sells at the electronics store where she works. She also earns a base salary of $800 per week. How much did she earn last week if she sold $4,700 in electronics merchandise? Round your intermediate calculations and answer to the nearest cent.

Answers

Answer:

1164.25

Step-by-step explanation:

if the length of a cuboid is 60cm and width 40cm and its surface area is 14800cm² find its height

Please Guyz I Want Full Solved Not Just Answer Please

Answers

Answer:

50 cm

Step-by-step explanation:

let x be the heigth we are looking for.

Each rectangle that covers the cuboid is the product of two dimensions [tex](60\cdot40;\ 60x;\ 40x)[/tex]

Since it's a cuboid, we assume opposite sides are equal.

So each rectangle is counted twice:

[tex]Area=2(60\cdot40+60x+40x)=14800[/tex]

Now, we just isolate x:

[tex]60\cdot40+60x+40x=7400\\2400+100x=7400\\100x=5000[/tex]

Answer:50 cm

Help help help math math

Answers

Answer:

Slope = 4

Step-by-step explanation:

Change in Y = 4

Change in X = 1

Slope = Δy/Δx = 4/1 = 4

Find the missing side in the similar figures below

Answers

Answer:

Step-by-step explanation:

24*5/3=40

The answer would be E. Trust me on this one

A candy store has 6 boxes of chocolates. Each box has 500 pieces How many pieces are there altogether in the 6 boxes?

Answers

Answer is 3,000 hope it helps

What is the scale factor k? The hummingbird nectar recipe is 4 cups of
water to every 1 cup of sugar. If I double the recipe, I will need 8 cups of
water and 2 cups of sugar. If I want half of the recipe, I would need 2 cups
of water and 1/2 cup of sugar. What is the scale factor of water to sugar?
k=

Answers

Answer:

Step-by-step explanation:

Scale factor of water to sugar=k

So,

k= amount of water/amount of sugar

=4 / 2

= 2 ANS

The following graph shows the system of equations?

PLS HELP

Answers

I think it’s the first choice because you start at -2 then you went up 6???

Explain how to use the distributive property to find the product (3) (4 1/5)

Answers

Answer:

you didn’t answer my question correctly :(

Step-by-step explanation:

How many pennies dose Michael please help please I need your help please please please please help

Answers

Answer: He has 91, to figure this out count everything in top row which is 13 and then count everything in left row only which is 7 and 13 x 7 is 91

Step-by-step explanation:

From a hot-air balloon, Mariana measures a 40° angle of depression to a landmark that's 1165 feet away, measuring horizontally. What's the balloon's vertical distance above the ground? Round your answer to the nearest hundredth of a foot if necessary.

Answers

Here is the set up:

Let h = balloon's vertical distance.

sin(40°) = h/1165

sin(40°)(1165) = h

748.847565

748.85 feet = h

Done.

The balloon's vertical distance above the ground is 1388.40 feet to the nearest hundredth.

What is division?

The division in mathematics is one kind of operation. In this process, we split the expressions or numbers into the same number of parts.

Given:

From a hot-air balloon,

Mariana measures a 40° angle of depression to a landmark that's 1165 feet away, measuring horizontally.

Let h be the vertical distance.

Use tanθ = perpendicular / base

Here, perpendicular = 1165 feet and base = h and θ = 40°

Substituting the values,

tanθ = perpendicular / base

tan40° = 1165 / h

h = 1165 / tan40

h = 1165 / 0.839095

h = 1388.40059 feet.

h ≈ 1388.40 feet to the nearest hundredth.

Therefore, vertical distance is 1388.40 feet

To learn more about the division;

https://brainly.com/question/13263114

#SPJ5

What fraction of one hour (60 minutes) is represented by the following numbers of minutes? Simplify each fraction whenever possible. A sketch of a clock might help you
15 minutes =
20 minutes =

Answers

Answer:

[tex] \frac{1}{4} [/tex]

[tex] \frac{1}{3} [/tex]

23x25 = please help

Answers

Answer:

575

Step-by-step explanation:

23/4 = 5.75 times 100

Answer:

575

Step-by-step explanation:

23×25=575 so 575 would be your answer

why do these sisters have different traits?

Answers

Answer: because dna is game of chance

Step-by-step explanation: hope it helps

Because there are thousands of different gene codes

Find the inverse of the matrix A=

[4 -5]
[-7 9]

Answers

Answer:

hope this answer is right 71/45

Curtis has a board that is 3/4 of a yard long he cuts it to make shelves that are 1/8 of a yard long how many shelves will there be after he cuts the board ?

Answers

The number of shelves would be 6.

The length of the board and the shelves are fractions. A fraction is made up of a numerator and a denominator. An example of a fraction is 1/8. 1 is the numerator and 8 is the denominator.

In order to determine the number of shelves Curtis cut, we would divide the length of the board by the length of each shelf.

Number of shelves = length of the board / length of the shelf

3/4 ÷ 1/8

3/4 x 8 = 6

To learn more about the division of fractions, please check: https://brainly.com/question/25779356

❗NEED HELP ASAP PLEASE ❗

The value of -3 xy, for x= 2 and y= 3, is -18.

True False

Please give an explanation, thank you!!!

Answers

Answer:

True

Step-by-step explanation:

-3 xy = -18

-3(2)(3) = -18

ricky is a hardworking man who owns 6 hectares of land. in his will,he divided his lot equally among 7 sons. how much land will each of his son receive?
a. 0.68
b. 0.86
c. 68
d. 86

Answers

Question:-

ricky is a hardworking man who owns 6 hectares of land. in his will,he divided his lot equally among 7 sons. how much land will each of his son receive?

a. 0.68

b. 0.86

c. 68

d. 86

Answer:-

Given,

Land owned by Ricky = 6 hectares

No. of sons = 7

Now,

6 ÷ 7 = 0.8571429 or 0.86

→ Each son will own 0.86 hectares of land. Option b. 0.86 is the answer.

Help help math math good luck

Answers

Angle 4 is 101°
Just find the last angle in the triangle and subtract that from 180.
The last angle in the triangle is going to be 180-52-49=79
Now subtract that from 180 since a straight line is 180°.
180-79=101
Also, your hint just says to add the two angles inside the triangle together. 52+49=101. So, there is two ways of doing it

Suppose a 5-digit number is formed using the digits from 1 to 9 (without replacement). What is the probability that it will be an even number?

Answers

Answer:

First take 5 empty. Digits.The no of digits are 9 (1-9).The last no must be even so . The total no of even no’s . Are 4 (2,4,6,8)The probability of last digit is 4There are remaing 8 digits so. Place them where. U required. The probability are. 8, 7,6,5(no reputations)The final answer is 4*8*7*6*5=6720 ways

Answer:

0.444 (44.4%)

Step-by-step explanation:

All possible ending: 1,2,3,4,5,6,7,8,9 ... 9

ending with 2,4 6,8 to make even number: 4

___ ___ ___ ___ ___

even number : 8 * 7 * 6 * 5 * 4

All 5 digit without repeating: 8 * 7 * 6 * 5 * 9

possibility = (8*7*6*5*4) / (8*7*6*5*9)

= 4/9

= 0.444 (44.4%)

_______________________________________________

(4 * ₈P₄) / (9 * ₈P₄) = 4/9

PLEASE SOMEONE HELP ME OH LORD PLEASE I BEG U

Answers

Answer:

It's 30 because there is an average of 30 days in a month and the person has to take 1mg a day for a month

Step-by-step explanation:

Hope this helps

May I get braineist pls?

C. 30 because 1mg every day and there are 30 days in a month

I am doing Khan Academy and I'm stuck on a question that said " What is another way to make 4.65 ? "
I learned it at school but I still need help on that Question.

Answers

Answer:

[tex]\frac{465}{100}[/tex] or [tex]\frac{93}{20}[/tex]

Step-by-step explanation:

You can always just multiply the by 100/100 to get any number into a fraction form. I am not sure if this is what you were asking, but here you go. Then you can simplify to get 93/20.

You gotta swag it aht twin

Shen borrowed $8000 at a rate of 17%, compounded quarterly. Assuming he makes no payments, how much will he owe after 6 years?

Answers

224,640
(8,000*1.17)(6*4) due to quarterly interest
(8,009*1.17)(24)
(9,360)(24)
9,360*24=224,640

What is the distance between points A and B?
A. 1/3
B. 1/2
C. 1 1/3
D. 1 1/2

Answers

Answer:

A. 1/3

Step-by-step explanation:

From 1 to ___, ____, and 2 is half and half that would be 2 and a half. the only solution would be 1/3

Answer:

boom

Step-by-step explanation:

Rewrite the following equation in slope-intercept form. 17x − 4y = 20

Answers

Step-by-step explanation:

-4y= -17x+20

4y=17x-20

y= 4.25x-5

Slope intercept form

y=mx+b

[tex]\\ \tt\Rrightarrow 17x-4y=20[/tex]

[tex]\\ \tt\Rrightarrow 17x-20=4y[/tex]

[tex]\\ \tt\Rrightarrow y=17/4x-5[/tex]

What expression is equivalent to 8t-18-20t+14

Answers

Answer:2(4t-9-10t+7) is answer and for the next it 2(-6t-2)

A
Hilda has a bank account balance of $1550. Each week, her balance changes by −$82.50. She wants to keep the balance above $395.

How many weeks will Hilda's balance remain above $395?

Select from the drop-down menu to correctly complete the statement.

Hilda's bank balance will remain above $395
Choose...
weeks.

Answers

Step-by-step explanation:

1550 - 395 = 1155

1155 / 82.5 = 14

Answer should therefore be 14 weeks.

Not my usual way of doing this sort of question but I'm interested to see if it's right. Alternatively you can subtract $82.50 from $1550 until/before you reach $395. Do not go below $395 though.

Answer:

K12 Answer

Step-by-step explanation:

24,761 divided by 24

Answers

Answer:

1031.70833333

Step-by-step explanation:

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