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daser333 [38]
2 years ago
8

How do u simplify this expression 8.9-1.4x+(-6.5x)+3.4?

Mathematics
1 answer:
Mumz [18]2 years ago
7 0

Answer:

-5.1x + 12.3

Step-by-step explanation:

Combine like terms:  first, combine the x terms, obtaining -5.1x.

Next, combine the constants, obtaining 12.3.

The simplified expression is -5.1x + 12.3

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Whats 25% of 90 in full explanation
julia-pushkina [17]

Answer:

22.5

Step-by-step explanation:

The answer is 22.5 because you convert 25% to a decimal which equals .25. To make the percent a decimal, you move it two times to the left.

Then multiply

90 • .25 = 22.5

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3 years ago
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For f(x) = 3x+ 1 and g(x) = x2 - 6, find (f+g)(x).
mylen [45]

Answer:

<h2>B. x² + 3x - 5</h2>

Step-by-step explanation:

(f+g)(x)=f(x)+g(x)\\\\\text{Substitute}\ f(x)=3x+1,\ g(x)=x^2-6:\\\\(f+g)(x)=(3x+1)+(x^2-6)\qquad\text{combine like terms}\\\\(f+g)(x)=x^2+3x+(1-6)\\\\(f+g)(x)=x^2+3x-5

7 0
3 years ago
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HELP ME PLS i truly need help on this​
kolezko [41]

Step-by-step explanation:

75+54

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the answer is 129°

5 0
2 years ago
What is the slope of a ladder leaning against the wall? (10 ft, 9ft, 3ft)
allsm [11]

the ladder leaning against the wall has slope 3

7 0
3 years ago
Given that f(x) = 5x^2-3x+7 and f(g(x))=(5x^4)/9 + (17x^2)/3 + 21. Find all possible values for the sum of the coefficients in t
shtirl [24]

steps

(x) = 5x^2-3x+7

refine

x=5x^2-3x+7

Switch sides

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Subtract x from both sides

5x^2-4x+7=0

Solve with the quadratic formula

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