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Dahasolnce [82]
3 years ago
9

Seven times the sum of a number,n,and four what will be the expressions ?

Mathematics
2 answers:
harina [27]3 years ago
6 0

First, let's write "the sum of a number and 4" as:


<span>n+4</span>.


Then, "seven times" the sum can be written as:


<span>7<span>(n+4)</span></span>

<span><span>
</span></span>

This "is 6" or "is equal to 6" and can be written as:


<span>7<span>(n+4)</span>=6</span>

<span>
</span>

To solve, first expand the term in parenthesis on the left side of the equation by multiplying each term in the parenthesis by 7


<span><span>(7×n)</span>+<span>(7×4)</span>=6</span>

<span>
</span>

<span>7n+28=6</span>

<span>
</span>

Next, subtract 28 from each side of the equation to isolate the n term while keeping the equation balanced:


<span>7n+28−28=6−28</span>

<span>
</span>

<span>7n+0=−22</span>

<span>
</span>

<span>7n=−22</span>

<span>
</span>

Now, divide each side of the equation by 7 to solve for n while keeping the equation balanced:


<span><span><span>7n</span>7</span>=−<span>227</span></span>

<span><span>
</span></span>

<span><span><span>7n</span>7</span>=−<span>227</span></span>

<span><span>
</span></span>

<span>n=−<span>227</span></span>

<span><span>
</span></span>

The number is <span>−<span><span>227</span></span></span>

pychu [463]3 years ago
5 0
A number, n: n
the sum of a number, n, and 4: n + 4
seven times the sum of a number, n, and 4: 7(n + 4)
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gulaghasi [49]

Answer:

The picture that represent her drawing is uploaded below. The height is 8 ft and the base is 6 ft.

Step-by-step explanation:

Renee garden is triangular in shape . The area of the triangular garden is given as 24 ft² . The area of a triangle can be represented below.

Area of a triangle = 1/2bh

where

b = base

h = height

The drawing that represent Renee drawing is given below. The height is 8 ft and the base is 6 ft .

Using the formula

Area of a triangle = 1/2bh

Area of a triangle = 1/2 × 6 × 8

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Area of a triangle = 24 ft²

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Can someone pls help me?
kirza4 [7]

Answer:

\frac{8}{24}

Step-by-step explanation:

If Adam's family uses 8lb of apples to make pie. We know that 3 x 8 = 24, so it's probably approximately 3 out of 18.

5 0
1 year ago
A-One Talent Agency has 108 clients. 42 of the clients play piano and 51 of the clients play guitar.
Butoxors [25]

Thwre are 28 clients who don not play any of the instrument using the principle of Venn distribution.

<u>Using a Venn diagram analogy</u> :

  • Total number of client, U = 108
  • Piano, P = 42
  • Guitar, G = 51
  • Piano and Guitar, (PnG) = 13
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<u>From the information given</u> :

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  • G only = 51 - 13 = 38

<u>The total number of clients can be related thus</u> :

  • Total = P only + G only + PnG + None

108 = 29 + 38 + 13 + None

108 = 80 + None

None = 108 - 80

None = 28

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ExtremeBDS [4]

This question is tricky.

I think there would be B)24 people that would prefer Yellow :)


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