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2 years ago

Sorry i need help please quick

Mathematics

1 answer:

crimeas [40]2 years ago

7 0

-3.6, -0.4, 3 tahts the answer

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Find the 7th term of the arithmetic sequence 5x + 9, 8x + 5, 11x + 1,...

ohaa [14]

Answer:

Step-by-step explanation:

In arithmetic sequence: a₂ - a₁ = a₃ - a₂ {common difference}

$a_1=5x+9\\a_2=8x+5\\a_3=11x+1\\\\\\d=8x+5-(5x+9)=8x+5-5x-9=3x-4\\\\a_n=a_1+d(n-1)\\\\a_7=5x+9+(3x-4)\cdot6\\\\a_7=5x+9+18x-24\\\\a_7=33x-15$

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3 years ago

What's the area of the trapezoid?

Lelechka [254]

Answer:

Mark brainliest please if i am correct one more brainliest please

Step-by-step explanation:

A=a+b

2h=15+25

2·5=100

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2 years ago

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What is the equivalent expression of y-0.32y

Dahasolnce [82]

Y - 0.32y = (1 - 0.32)y = 0.68y

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3 years ago

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Pls solve question 4b. Verrry urgent . Ok tyy

kodGreya [7K]

Answer:

$y = 3\left(x-\dfrac{3}{2}\right)^2+\dfrac{41}{4}$

Step-by-step explanation:

Given equation:

$y = 3x^2 - 9x + 17$

Factor out 3 from the first 2 terms:

$y = 3(x^2 - 3x) + 17$

Divide the coefficient of x by 2 and square it: (-3 ÷ 2)² = 9/4

Add this inside the parentheses and subtract the distributed value of it outside the parentheses:

$y = 3\left(x^2 - 3x+\dfrac{9}{4}\right) + 17-\dfrac{27}{4}$

Factor the parentheses and combine the constants:

$y = 3\left(x-\dfrac{3}{2}\right)^2+\dfrac{41}{4}$

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1 year ago

*<br> ate: Find 8% of 40.<br> nt)

olasank [31]

The answer is 3.2.

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2 years ago

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