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3 years ago

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A bus makes a stop at 2:30, letting off 10 people and letting on 2. The bus makes another stop ten minutes later to let off 3 mo

re people. How does the number of people on the bus after the second stop compare to the number of people on the bus before the 2:30

1 answer:

maksim [4K]3 years ago

5 0

Answer:

Step-by-step explanation:

B

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Hey, can I please get some help with this? It shouldn’t be too hard, thanks!

Fynjy0 [20]

Answer:

(x -3)(x+3)(2x +1)
(x -1)(x +1)(x +3)
(2x -1)(2x +1)(x -4)

Step-by-step explanation:

A) 2x³ +x² -18x -9 = x²(2x +1) -9(2x +1) = (x² -9)(2x +1) = (x -3)(x+3)(2x +1)

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B) x³ +3x² -x -3 = x²(x +3) -1(x +3) = (x² -1)(x +3) = (x -1)(x +1)(x +3)

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C) 4x³ -16x² -x +4 = 4x²(x -4) -1(x -4) = (4x² -1)(x -4) = (2x -1)(2x +1)(x -4)

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In each case, the third-level factoring mentioned in step 4 is the factoring of the difference of squares: a² -b² = (a -b)(a +b).

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The step-by-step is exactly what you need to do. It is simply a matter of following those instructions. You do have to be able to recognize the common factors of a pair of terms. That will be the GCF of the numbers and the least powers of the common variables.

7 0

2 years ago

A 6-ounce tube of toothpaste costs $2.00. What is the approximate difference in the unit price from the original price if a $1.2

LenKa [72]

I believe it is D, because if you divide 2/6 its .333 minus 1.25/6, which is .124.

4 0

2 years ago

Read 2 more answers

Determine the intercepts of the line 20 POINTS<br> y-intercept(____,____)<br> x-intercept(____,____)

Ivenika [448]

Answer:

y-intercept(0,0.4)

x-intercept(0.3 ,0)

4 0

3 years ago

Read 2 more answers

Find the slope of the line that passes through (40,3000) and (60, 4000).

iragen [17]

Answer:

$m=50$

General Formulas and Concepts:

<u>Pre-Alg</u>

Order of Operations: BPEMDAS

<u>Algebra I</u>

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

<u>Step 1: Define</u>

Point (40, 3000)

Point (60, 4000)

<u>Step 2: Find slope </u><em><u>m</u></em>

Substitute: $m=\frac{4000-3000}{60-40}$
Subtract: $m=\frac{1000}{20}$
Divide: $m=50$

3 0

3 years ago

Chord JK intersects chord ST at point L. Find the length of St. If necessary, round to the tenths place.

raketka [301]

Answer:

(C)19

Step-by-step explanation:

The diagram is drawn and attached.

Using the intersecting chord theorem

SL X LT = JL X LK

x X 12 = 14(x-1)

12x=14x-14

12x-14x=-14

-2x=-14

x=7

Therefore:

ST= SL + LT

=x+12

=7+12

ST=19

The correct option is C

5 0

2 years ago