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Effectus [21]
2 years ago
9

Help me please don't know this

Mathematics
2 answers:
nignag [31]2 years ago
7 0

Answer:

1.multiply both sides by 5 n=−1/5x5 cancel out the 5 so n=-1

2.add both sides by 13 n=-12+13 simplify -12+13 to 1 n=1

Step-by-step explanation:

larisa86 [58]2 years ago
4 0

n/5 = -1/5

5n = -5

<u>n = -1</u>

n - 13 = -12

n = -12 + 13

<u>n = 1</u>

n + 15 = -10

n = -10 - 15

<u>n = -25</u>

-5n = 1

<u>n = -1/5</u>

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(x+2)(x-18)=0<br><br>FIND THE SOLUTIONS OF THE EQUATION
vladimir2022 [97]
Either one at any given time could be equal to zero. So
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I've enclosed a graph of this so you can see that the answers I've given are the ones expected.

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3 years ago
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HACTEHA [7]

Answer:

2) y = 0.95x + 4

3) slope: height increases by 0.95 units as x increases by 1 unit

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Step-by-step explanation:

Using (20,23) and (40,42)

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3 years ago
An arc of a circle is 3πm long, and it subtends an angle of 72° at the center of the circle. Find the radius of the circle.
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Answer:

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7 0
3 years ago
Nadia is a stockbroker. She earns 4% commission when she sells stocks. Last week, she earned $288 in commission.
Tresset [83]

Answer:

a)The total amount of her  weekly stock sales  = $7,200

b) The total amount of her yearly stock sales  = $350,000

Step-by-step explanation:

(a)  Let us assume that the total a mount of her sales in a week  = $m

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      Now, 4 % of her total sales  = $288

      or, 4% of ($m)  = $288

    ⇒\frac{4}{100}  \times  m = 288

     or, m = \frac{288 \times 100}{4}   = 7,200

     ⇒ m = $7,200

Hence, the total amount of her  weekly stock sales  = $7,200

b)  Let us assume that the total amount of her sales in a year  = $k

     The total amount of commission earned  = $14,000

Now, 4 % of her total sales  = $14,000

      or, 4% of ($k)  = $14,000

    ⇒\frac{4}{100}  \times  k = 14,000

     or, k = \frac{14,000 \times 100}{4}   = 350,000

     ⇒ k = $350,000

Hence, the total amount of her yearly stock sales  = $350,000

8 0
2 years ago
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