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3 years ago

Is the constant rate increasing or deceasing

Mathematics

2 answers:

DedPeter [7]3 years ago

4 0

Increasing i’m pretty sure

nadezda [96]3 years ago

3 0

Increasing most likely

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Which of the following is the simplest form of this expression?

Softa [21]

Step-by-step explanation:

which expression there is no expression here

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3 years ago

In the sequence – 40, –33, –26, –19, … determine the 77th term and the sum of the first 90 terms.

Gala2k [10]

The 77th term is 532 because the nth term is 7n-7

7x77=539

539-7=532

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4 years ago

Put this equation into slope intercept -2×+3y=9

siniylev [52]

y = $\frac{2}{3}$ x + 3

The equation of a line in slope-intercept form is

y = mx + c ( m is the slope and c the y-intercept )

rearrange - 2x + 3y = 9 into this form

add 2x to both sides

3y = 2x + 9 ( divide all terms by 3 )

y = $\frac{2}{3}$ x + 3 ← in slope-intercept form

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3 years ago

Can someone help me? It's urgent and thank you!

Irina-Kira [14]

Answer:

option A

Step-by-step explanation:

$\frac{x+ 3}{12x} \ \cdot \ \frac{4x}{x^2 +x - 6}\\\\= \frac{x+ 3}{12x} \ \cdot\ \frac{4x}{x^2 +3x - 2x - 6}\\\\= \frac{x+ 3}{12x} \cdot \frac{4x}{x(x + 3) -2(x+3)}\\\\= \frac{x+ 3}{12x} \cdot \frac{4x}{(x + 3)(x -2)}\\\\= \frac{1}{12x} \ \cdot \ \frac{4x}{(x - 2)} \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \\\\= \frac{1}{3} \ \cdot \ \frac{1}{(x - 2)}\\\\= \frac{1}{3(x - 2) }$

5 0

3 years ago

Hi, please help me out :)) thank you

r-ruslan [8.4K]

Answer:

d =32

Step-by-step explanation:

$\sqrt{7d+1}-4=11\\\\\mathrm{Add\:}4\mathrm{\:to\:both\:sides}\\\sqrt{7d+1}-4+4=11+4\\\\Simplify\\\sqrt{7d+1}=15\\\\\mathrm{Square\:both\:sides}:\quad 7d+1=225\\7d+1=225\\\\\mathrm{Solve\:}\:7d+1=225:\\\quad d=32$

4 0

3 years ago

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