If the complex number x= 3+bi and absolute value of x squared equals 13 which is the possible value of b?

Answers

Answer 1

Answer: 13 to the power of one

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Estimate to the nearest doallar , the total cost $23.45+$3.98+$16.66+$12.08 (answer with suggesting work please)

Answers

Answer:

$56.

Step-by-step explanation:

Given : $23.45+$3.98+$16.66+$12.08

To Find : Estimate to the nearest dollar , the total cost

Solution:

Total cost = $23.45+$3.98+$16.66+$12.08

Total cost = $56.17

So, The total cost = 56.17

Find the place value you want to round off and look to the digit just to the right of it.

If that digit is less than 5, do not change the "rounding digit"

If that digit is greater than or equal to 5, add one to the rounding digit and change all digits to the right of the rounding digit to zero.

So, Now The total cost to nearest dollar is $56.

well all of that equals $56.17 and rounded to the nearest dollar will be...$56.00

Carmen by the pack of cards for $0.75 from the vending machine she puts a $1 bill and the Machine what combinations of coins including pennies could Carmen get in change

Answers

Ah, textbooks. Always those type of word problems. Sigh...
.
What's $1.00 - $0.75?
.
It's $0.25.
.
What combinations?
.
Pennies, nickels, dimes, and a quarter.
.
Quarter is 1. Let's rule it out.
.
Pennies, nickels, and dimes.

Twenty Five Pennies.
Five Nickels.
One Dime, three Nickels.
One Nickel, two Dimes.
One Nickel, twenty Pennies.
One Dime, fifteen Pennies.
Two Nickels, fifteen Pennies.
Two Dimes, five Pennies.
One Dime, two Nickels, five Pennies.
Four Nickels, five Pennies.
One Nickel, one Dime, ten Pennies.
Three Nickels, ten pennies.

12 ways.

Including the quarter, we have 13.

OH NO IT'S 13!! RUN!!

Just kidding.

Hope this helped!

Answer:

Step-by-step explanation:

a cardboard box is open at one end and is shaped like a square prism missing one of its square bases. the volume of the prism is 810 cubic inches and its height is 10 inches. what is the length of each side of the base? how much cardboard is used for the box?

Answers

The correct answer for the question that is being presented above is this one: "9 inches; 441 in^2"

The volume of a square prism is
Volume = s^3 = lwh

Given that the volume is 810 in^3 and the height is 10 inches
810 = 10 * s^2
81 = s^2
s = 9 inches

So, the length of each side of the base is 9 inches
Then, the total area used in order to make a cardboard is that,
= 9^2 + 4 ( 10*9)
= 81 + 4(90)
= 81 + 360
= 441 square inches.

Mia has a spool of ribbon that is 30.5 yards long. She will cut the ribbon into 5 equal pieces to make bows. What is the length of each piece of ribbon?

Answers

each piece of ribbon will be 6.1 yards long hope this helped ;D

Answer:

6.1 yards long

Mary is making some shirts for her school's drama department. The fabric store has 3 1/6 yards of the fabric she wants in stock. But this quantity of fabric can make only 1 1/3 shirts. What length of fabric does Mary need to buy if she wants to sew 2 shirts?

Answers

The answer is 4 3/4 yards of the fabric.

This can be calculated using the proportion.
If the 3 1/6 yards of the fabric is enough for 1 1/3 shirts, how many yards are necessary of 2 shirts:
$3 (1)/(6) yards :1 (1)/(3)shirts =xyards:2shirts$

Let's express 3 1/6 as 19/6:
$3 (1)/(6) =3+ (1)/(6) = 3* (6)/(6)+ (1)/(6) = (18)/(6) + (1)/(6) = (18+1)/(6) = (19)/(6)$

Similarly, 1 1/3 = 4/3:
$1 (1)/(3) =1+ (1)/(3) = 1* (3)/(3)+ (1)/(3) = (3)/(3) + (1)/(3) = (3+1)/(3) = (4)/(3)<span>$

Now, let's use this in the proportion:
$3 (1)/(6) yards :1 (1)/(3)shirts =xyards:2shirts$
$(19)/(6) : (4)/(3) = x:2$

Crossing the products:
$x* (4)/(3) =2* (19)/(6)$
⇒ $x* (4)/(3) = (19)/(3)$
⇒ $x = (19)/(3) : (4)/(3)$
$x= (19)/(3) * (3)/(4)$
⇒ $x = (19)/(4) = (16+3)/(4) = (16)/(4) + (3)/(4) =4+ (3)/(4) =4 (3)/(4)$

Therefore, Mary needs in total 4 3/4 yards of the fabric.

Answer:

The answer is 4 3/4 yards of the fabric.

Can anyone solve these problems

Answers

Answer:

Step-by-step explanation:

this is very easy.

add the wholes 4+1 then before you solve anything you can simplify. 2 goes into 2 once so now the problem looks like 1/1 x 1/3 the answer for the first one is 5 1/3

3. we are going to do the same thing add the wholes 2 and 1. and since we cant simplify any more you are just going to multiply across 1 times 1 and 2 time 5 the answer is 3 1/10

6. all you have to do for this one is add the wholes 8 1/3

7. add the wholes 2 and 9 is 11 then multiply across 3 times 1 and 5 times 2 write the problem out and it shall now look like this 11 3/10

2 is 6
3 is 3
6 is 16 and 2/3
7 is 24 and 7/10

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