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MaRussiya [10]
3 years ago
13

Factor this expression completely. 6x^2- 13x - 28

Mathematics
2 answers:
wlad13 [49]3 years ago
7 0

Answer:

this is the solution

(2−7)(3+4)

Step-by-step explanation:

Mnenie [13.5K]3 years ago
5 0

Answer:

(X+1)(6x-21)

Step-by-step explanation:

6x^2- 13x - 28

6x^2-(21-6)x-28

6x^2-21x+6x-28

X(6x-21)+1(6x-21)

(X+1)(6x-21)

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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
Listed are the distances traveled by four cars and the time it took each car to cover that distance. Identify which cars travele
Eddi Din [679]
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How do you simplify a math problem?
STatiana [176]

idk what kind of math problem but, if its just simple id us PEMDAS

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3 years ago
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Step-by-step explanation:

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Ralph and Jody go to the store to buy chips and candy bars. Ralph buys 3 bags of potato chips and 4 candy bars for 375 cents. Jo
s2008m [1.1K]
3x+4y = 375
6x+ 4y= 600
-------------------
6x-3x  = 600 - 375

3x=225
x=225:3
x=75 cents

3*x+4y= 375
3*75+4y=375
225 +4y = 375
4y=375-225
4y=150
y=150:4
y=37,5 cents

the price is 75+37,5=112,5 cents for one bag of potato chips and one candy bar

3 0
3 years ago
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