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maksim [4K]
3 years ago
8

6(x + 4) = 36 please someone help me

Mathematics
2 answers:
kenny6666 [7]3 years ago
8 0

Answer:

x = 2

Step-by-step explanation:

Since you need to find x lets make sure to leave that variable in one side of the ecuation so the firts thing you need to do is pass the 6 to the right side of it.

x+4 = 36/6 (notice that 6 passed dividing since it was multiplying (x+4))

After we've done that now we've got that

x + 4 = 6

Now we need to move the "+4" to the right side so we can have only x in the left side.

x = 6 - 4 (notice that the 4 now is being substracted by six, this is determined by the so called "ecuation rules")

So finally we only substract and we get to know that x = 2. So now we can check that its true by replacing its value in the original ecuation.

6(x + 4) = 36

6(2 + 4) = 36

6(6) = 36

36 = 36

Sveta_85 [38]3 years ago
4 0
The Answer issss x=2
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During the final 5 seconds of a race a cyclist increased her velocity from 4 m/s to 7 m/s . What was her average acceleration du
GREYUIT [131]

Answer:

The average acceleration of the cyclist was 0.6 m/s².

Step-by-step explanation:

Acceleration:

The rate change of velocity per unit time is call the acceleration of the object.

a=\frac{v-u}t

u= initial velocity

v= final velocity

t= time taken change of velocity.

During the final 5 seconds of a race cyclist increased her velocity from 4m/s to 7 m/s

Here v= 7 m/s and u=4 m/s t=5 seconds

\therefore a=\frac{7\ m/s-4 \ m/s}{5s}

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The average acceleration of the cyclist was 0.6 m/s².

8 0
3 years ago
A rectangular solid and a cube are of equal volume. If the rectangular solid is 20 centimeters long, 5 centimeters wide, and 10
abruzzese [7]

Answer:

10 centimeters.

Step-by-step explanation:

First, we need to remember what's the formula to get the volume of a rectangular solid and a cube.

The volume of the first equals:

Volume = Length x Width x Height

While the volume of the cube is:

Volume = a^{3} where a is the edge.

We are given the measures of the rectangular solid so we can calculate its volume:

Volume= (20)(5)(10)=1000 cubic cms.

Now, we know that  both the volume of the rectangular solid and the cube are the same so we will use this information to calculate the edge of the cube.

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3 years ago
What is the value of the expression? (-4.2)(2)+10
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8 0
3 years ago
Read 2 more answers
PLEASE HELP! IF YOU DON'T KNOW DON'T ANSWER! 60 POINTS!!
postnew [5]

Answer:

an = 1/2 (4)^ (n-1)

a6 = 512

Step-by-step explanation:

The formula for a geometric sequence is

an = a1 (r)^(n-1)

where an is the term of the sequence

a1 is the initial term of the sequence

r is the ratio

and n is the term number

We know a1 = 1/2 and r =4

I will assume that x=6 means we want to know the 6th term

an = 1/2 (4)^ (n-1)

We want to find the 6th term

a6 = 1/2 * 4^(6-1)

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a6 = 512

3 0
3 years ago
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