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Fofino [41]
3 years ago
15

PLEASE HELP, IF ITS RIGHT ILL GIVE U BRAINLIEST THINGY

Mathematics
2 answers:
madam [21]3 years ago
7 0

Answer:

The answer is 8

Step-by-step explanation:

Alexxx [7]3 years ago
6 0
I think it’s 6 correct me if I’m wrong
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2 people working at the same rate will take 6 hours to paint a room.
zavuch27 [327]

Answer:4 hours

Step-by-step explanation:

6*2=12

12/3=4

7 0
3 years ago
What fraction is equivalent to 2/5
Semenov [28]

Answer:

4/10

Step-by-step explanation:

8 0
4 years ago
Please help me on this one?
blondinia [14]

3x + 4y = 16             Subtract 4y from both sides. Put brackets around the 2 terms on the right.

3x + 4y - 4y = (16 - 4y)

3x = (16 - 4y)            Divide by 3

\text{ x =}\dfrac{(16 - 4y)}{3} = \dfrac{16}{3} - \dfrac{4y}{3}

Answer That's B.


3 0
3 years ago
Read 2 more answers
Please help asap!!!!
bearhunter [10]

Answer:

(using substitution to solve the problem)

x=y-3

2x+y=12

2(y-3)+y=12

2y-6+y=12

3y=18

y=6

y=6

x=6-3

= (3, 6)

Step-by-step explanation:

using substitution, substitute the x in the second equation to y-3, to find the value of y. after that distribute the 2 into the parenthesis and collect like terms. once you simplify, you have the value of y, so substitute the value of y into the first equation to find x. once you have both values put them in the ordered pair form and you're done.

i hope this helps :)

3 0
3 years ago
The distance that an object falls from rest, when air resistance is negligible, varies directly as the square of the time that i
eimsori [14]

Since the distance varies directly as the square of time, then its expression looks like this:

d\text{ = k}\cdot t^2

Where d is the distance, "k" is the proportionality constant and t is the time the object is falling. We know that after 6 seconds the stone travels 304 feet. With this information we can determine the value of "k".

\begin{gathered} 304=k\cdot(6)^2 \\ 304=k\cdot36 \\ k=\frac{304}{36} \\ k=8.44 \end{gathered}

Therefore the complete expression is:

d=8.44\cdot t^2

We want to know the distance after 7 seconds, therefore t = 7.

\begin{gathered} d=8.44\cdot(7)^2 \\ d=8.44\cdot49=413.56\text{ feet} \end{gathered}

The stone will travell approximatelly 314 feet in 7 seconds.

7 0
2 years ago
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