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alina1380 [7]
3 years ago
5

Factoring trinomials????x^2+8x+15

Mathematics
2 answers:
DiKsa [7]3 years ago
6 0
X^2+8x+15

= x^2 + 5x + 3x + 15

= x(x+5) + 3(x+5)

= (x+5)(x+3)
Scilla [17]3 years ago
4 0

You nee 2 numbers whose sum is +8 and whose product is +15.

That is 3 and 5.

so the answer is (x + 3)(x + 5)

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EastWind [94]
2 3/4 * 3.36 / (1 2/5) 
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5 0
3 years ago
Attached please find my maths problem to be solved and graphed
ki77a [65]

Answer:

Attached is the sketch

X-axis intersections:

(-3,0)

(0,0)

(1,0)

Points of inflection:

(-1,319,-2.881) Concave upward

(0.569,1.041) Concave downward

Step-by-step explanation:

Desmos (I'm not allowed to post the link, pls search it up) is a great help for these type of problems!

8 0
3 years ago
I need help on this and its to hard to make me understand this work
Yuri [45]
40℅ is bigger because 1/5 as a percent is 20℅
5 0
3 years ago
ANWSER THE TWO BOTTEM
svp [43]

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b)       4/7(x)=16/3          x=28/3       x=9.33333     x=9 1/3

any option for b works

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3 0
3 years ago
Melissa has $100 in the bank. She plans to deposit $40 per week until she reaches $500. What is the rate of change? Explain what
Wewaii [24]

Answer:

$40 per week

Step-by-step explanation:

Step one:

Given data

the initial amount is = $100

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Step two:

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500= 100+40x-------1

From the expression above, the rate of the change is $40 per week.

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5 0
2 years ago
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