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Mandarinka [93]
3 years ago
11

This is the last help i need so plz help

Mathematics
2 answers:
Greeley [361]3 years ago
7 0
The correct answer is D
Tju [1.3M]3 years ago
3 0

Answer:

The Answer is D

Step-by-step explanation:

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If a dozen people get on a train, and five of them get off at the next stop, how many of those people are left on the train?
kozerog [31]
1 dozen = 12
5 get off the next stop so
12 - 5 =
7 people left on the train
7 0
3 years ago
Solve 2x2 – 3x = 12 using the quadratic formula.
icang [17]

Quadratic Formula: (-b +/- sqrt(b^2 - 4ac)) / 2a

2x^2 - 3x = 12

2x^2 - 3x - 12 = 0

a = 2

b = -3

c = -12

(--3 +/- sqrt( (-3)^2 - 4(2)(-12) )) / 2(2)

3 +/- sqrt( 9 + 96 ) / 4

3 +/- sqrt(105) / 4

Answers: \frac{3 + \sqrt{105} }{4}, \frac{3 - \sqrt{105} }{4}

Hope this helps!

8 0
3 years ago
Alan bought a suit on sale for $208. This price was 35% less than the original price.
algol [13]

Answer:

280.8

Step-by-step explanation:

Since 100% is the full amount, and it is 35% off you add 35 to the 100. So you get 1.35. You finally multiply by 207 and get 280.8

7 0
3 years ago
The tuition at a certain college was $29,793 last year and increased 5.3% from last year to the current year. How much is this y
SCORPION-xisa [38]

Answer:

the answer is 67

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Select the correct product.<br><br> (x 2 + 4x + 8)(2x - 1)
marusya05 [52]

Answer:

\large\boxed{(x^2+4x+8)(2x-1)=2x^3+7x^2+12x-8}

Step-by-step explanation:

Use FOIL: <em>(a + b)(c + d) = ac + ad + bc + bd</em>

(x^2+4x+8)(2x-1)\\\\=(x^2)(2x)+(x^2)(-1)+(4x)(2x)+(4x)(-1)+(8)(2x)+(8)(-1)\\\\=2x^3-x^2+8x^2-4x+16x-8\qquad\text{combine like terms}\\\\=2x^3+(-x^2+8x^2)+(-4x+16x)-8\\\\=2x^3+7x^2+12x-8

7 0
3 years ago
Read 2 more answers
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