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1 year ago

5

Mabel spends 4 hours to edit a 3 minute long video. She edits at a constant rate. How long does Mabel spend to edit a 15 minute

long video

1 answer:

Kruka [31]1 year ago

6 0

Answer:

9 mins

Step-by-step explanation:

i think it made sense to me .

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What is the solution for the equation -15=5(3y-10)-5y

marissa [1.9K]

Answer:

$\Large\boxed{\sf{y=\dfrac{7}{2} }}$

Step-by-step explanation:

Isolate the variable of y from one side of the equation.

-14=5(3y-10)-5y

<u>First, switch sides.</u>

$\sf{5\left(3y-10\right)-5y=-15}$

Use the distributive property.

<u>DISTRIBUTIVE PROPERTY:</u>

A(B-C)=AB-AC

5(3y-10)

Multiply by expand.

5*3y=15y

5*10=50

15y-50-5y

15y-5=10y

= 10y-50

10y-50=-15

Add by 50 from both sides.

10y-50+50=-15+50

Solve.

10y=35

Then, you divide by 10 from both sides.

10y/10=35/10

Solve.

Divide the numbers from left to right.

35/10=7/2

y=7/2

Divide is another option.

7/2=3.5

$\Longrightarrow: \boxed{\sf{y=\dfrac{7}{2}}}$

<u>Therefore, the correct answer is y=7/2.</u>

I hope this helps. Let me know if you have any questions.

7 0

1 year ago

Simple math my tiny brain can’t understand PLEASE HELP

gogolik [260]

Answer:

if im not mistaken its 143

8 0

2 years ago

Read 2 more answers

How to find the equation of a circle

Finger [1]

Hmmm lemme do the first one only

$\bf \textit{equation of a circle}\\\\ 
(x- h)^2+(y- k)^2= r^2
\qquad 
center~~(\stackrel{5}{ h},\stackrel{3}{ k})\qquad \qquad 
radius=\stackrel{2}{ r}
\\\\\\
(x-5)^2+(y-3)^2=2^2\implies (x-5)^2+(y-3)^2=4$

4 0

2 years ago

How to write 50 hundredths

NeX [460]

50 hundredths as a Fraction

Since 50 hundredths is 50 over one hundred, 50 hundredths as a Fraction is 50/100.

50 hundredths as a Decimal

If you divide 50 by one hundred you get 50 hundredths as a decimal which is 0.50.

50 hundredths as a Percent

To get 50 hundredths as a Percent, you multiply the decimal with 100 to get the answer of 50 percent.

3 0

3 years ago

The altitude a (in feet) of a plane t minutes after liftoff is given by a=3400t+600. How many minutes after liftoff is the plane

Alexandra [31]

21,000-600 = 20,400
20,400/3400 = 6
t = 6

21,000=3,400(6)+600
21,000=20,400+600
21,000=21,000

34.00
*6
__
204.00

3,400*6=20,400

7 0

2 years ago