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wel
2 years ago
6

12x + 3x = ___? Please explain

Mathematics
1 answer:
Paladinen [302]2 years ago
6 0

Answer:15x

Step-by-step explanation:you add 12 + 3 which equals 15 and then you just carry the x over

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2 years ago
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A new shopping mall records 150 total shoppers on their first day of business. Each day after that, the number of shoppers is 15
Wewaii [24]

The number of shoppers is an illustration of an exponential function.

The expression for the number of shoppers is: \mathbf{f(n) = 150(1.15)^n}

The given parameters are:

<em />\mathbf{a = 150}<em> -- the number of shoppers on the first day of business</em>

<em />\mathbf{r = 15\%}<em> --- the rate</em>

<em />

Because, the number of shoppers <em>increases each day</em>, the number of shopper on a certain day is:

\mathbf{f(n) = a \times (1 + r)^n}

Substitute 15% for r

\mathbf{f(n) = a \times (1 + 15\%)^n}

Express percentage as decimal

\mathbf{f(n) = a \times (1 + 0.15)^n}

\mathbf{f(n) = a \times (1.15)^n}

Substitute 150 for a

\mathbf{f(n) = 150 \times (1.15)^n}

\mathbf{f(n) = 150(1.15)^n}

Hence, the expression for the number of shoppers is: \mathbf{f(n) = 150(1.15)^n}

Read more about exponential functions at:

brainly.com/question/11487261

4 0
3 years ago
Please help:<br> In PQR, sin P=64, sin R=35, and r=21. Find the length of p.
son4ous [18]

Answer:

32.9 units

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p/sinP = r/sinR

p = sinP × r/sinR

p = sin(64) × 21/sin(35)

p = 32.9069916

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The answer is B because it is the only one where the line intersects on the y - axis at -1/2 and 2/3, which are the y -intercepts
7 0
2 years ago
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