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Lina20 [59]
3 years ago
15

Please help me with the steps on solving this please would help a lot..

Mathematics
1 answer:
professor190 [17]3 years ago
3 0
<span>8 – (5v + 3) = 5v – 5
8 - 5v - 3 = 5v - 5
5v + 5v = 8 - 3 + 5
10v = 10
v = 1            [has a solution]

3m – 6 = 5m + 7 – m
3m - 6 = 4m + 7
4m - 3m = -6 - 7
m = -13            [has a solution]

3w + 4 – w = 5w – 2(w – 2)
2w + 4 = 5w - 2w + 4 = 3w + 4
3w - 2w = 4 - 4
w = 0                  [has a solution]

7y + 9 = 7y – 6
7y - 7y = -6 - 9
0 = -15                [has no solution]
</span>
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Pleas help me I have so much more left to do
Serjik [45]

Answer:

2 11/14 squared feet

Step-by-step explanation:

Area of a rectangle = length x width

Give length = 3 1/4 and

Width = 3/4

Therefore,

Area = 3 1/4 x 3/4

Change the mixed size fraction to an improperly fraction

We have A = 13/4 x 3/4

39/14

2 11/14 squared feet

6 0
3 years ago
A cylinder-shaped candle has a diameter of 5 inches and a height of 8 inches.
Arada [10]
V=hpir²
h=8
d=2r
d/2=r
5/2=2.5=r


V=8pi2.5²
V=8pi6.25
V=50pi
aprox pi=3.14

V=50  times 3.14
V=157 in³


157 cubic inches
5 0
4 years ago
Read 2 more answers
5-2x/3=x solve for x
Mrrafil [7]

5-2x/3-5=x-5

-2x/3=x-5

-2x=3x-15

-5x=-15

Answer: x=3

8 0
3 years ago
4x^3(5x) = what,<br> will mark brainliest
Rzqust [24]

Answer:

25

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The question is in the picture.
dangina [55]
<h2><u>Part A:</u></h2>

Let's denote no of seats in first row with r1 , second row with r2.....and so on.

r1=5

Since next row will have 10 additional row each time when we move to next row,

So,

r2=5+10=15

r3=15+10=25

<u>Using the terms r1,r2 and r3 , we can find explicit formula</u>

r1=5=5+0=5+0×10=5+(1-1)×10

r2=15=5+10=5+(2-1)×10

r3=25=5+20=5+(3-1)×10

<u>So for nth row,</u>

rn=5+(n-1)×10

Since 5=r1 and 10=common difference (d)

rn=r1+(n-1)d

Since 'a' is a convention term for 1st term,

<h3><u>⇒</u><u>rn=a+(n-1)d</u></h3>

which is an explicit formula to find no of seats in any given row.

<h2><u>Part B:</u></h2>

Using above explicit formula, we can calculate no of seats in 7th row,

r7=5+(7-1)×10

r7=5+(7-1)×10 =5+6×10

r7=5+(7-1)×10 =5+6×10 =65

which is the no of seats in 7th row.

8 0
3 years ago
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