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Bad White [126]
2 years ago
10

Hope watches a movie Friday night that was two and one-half hours long. On Saturday, she watched a documentary half as long as F

riday’s movie. How long was the documentary?
Mathematics
2 answers:
Zolol [24]2 years ago
5 0

Answer:

1 hour and 15 minutes thats how long the documentary was

Anna35 [415]2 years ago
5 0

Movie friday night was 2 hours and 30 minutes long.

The documentary was half as long as Friday's movie.

So it will be: \frac{2 hours  .and.  30 minutes}{2}  = 1 hour.and .15 minutes

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((X + 2) + (y - 5) =1​
Viktor [21]

Answer:

on like term

Step-by-step explanation:

x+2)=(y-5)=2+5=7

x-y{x-y]=7x-y

by Emmanuel okorie

3 0
3 years ago
Show the expression as the base to one power. 4^5⋅4^3
White raven [17]
Hey there! :D

When you multiply powers, you add them.

You would only need to add 5 and 3 together. 

5+3= 8

4^8 <=== the answer

I hope this helps! 
~kaikers 
5 0
3 years ago
If 2 times an integer x is increased by 7, the result is always greater than 16 but less than 29.
Degger [83]

Answer:

X=6

Step-by-step explanation:

Turning the question into a formulae

2X + 5 > 16; and 2X + 5 < 29

Let’s start by calculating the lower limit

2X + 5 = 16

X = (16–5)/2

X = 11/2 = 5.5

X > 5.5

The lowest value of X is infinitesimally close to 5.5, but greater than 5.5.

3 0
3 years ago
Find the fourth roots of i
antoniya [11.8K]

Answer:

  1∠22.5°, 1∠112.5°, 1∠202.5°, 1∠292.5°

Step-by-step explanation:

A root of a complex number can be found using Euler's identity.

<h3>Application</h3>

For some z = a·e^(ix), the n-th root is ...

  z = (a^(1/n))·e^(i(x/n))

Here, we have z = i, so a = 1 and z = π/2 +2kπ.

Using r∠θ notation, this is ...

  i = 1∠(90° +k·360°)

and

  i^(1/4) = (1^(1/4))∠((90° +k·360°)/4)

  i^(1/4) = 1∠(22.5° +k·90°)

For k = 0 to 3, we have ...

 for k = 0, first root = 1∠22.5°

  for k = 1, second root = 1∠112.5°

  for k = 2, third root = 1∠202.5°

  for k = 3, fourth root = 1∠292.5°

4 0
1 year ago
Can someone please show me the steps to solving this problem please? Many thanks!
Soloha48 [4]

Step 1: Assign variable for the unknown that we need to find.

Let x be the number of 350 ml bottles that you should bring from the supply room.

Step 2: Use the statement given to write a mathematical equation.

Given: 30 liter drum of fertilizer

Convert the liters to milliliters

1\;L = 1000\; mL\\\\30\;L=30 \times 1000\; mL=30,000\;mL\\\\

"The owner of the plant nursery where you work tells you to fill 350 milliliter bottles from a 30 liter drum of fertilizer" means we need to find how many 350 ml are there in 30,000 ml.

x=\frac{30000}{350}

Step 3: Simplify and round up to the next whole number.

\frac{30000}{350} \approx 86 \; bottles

Conclusion:

<u>Eighty Six </u>bottles with a capacity of 350 milliliter you should bring from the supply room to fill from a 30 liter drum of fertilizer!

7 0
3 years ago
Read 2 more answers
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