Inequality

Problem 1

In the 2017 Wyoming senate of 30 members, find the inequality for Democrats d d and Republicans r r for a bill to pass:
A) d+r>15 d+r>15
B) d+r<15 d+r<15
C) d+r15 d+r \geq 15
D) d+r15 d+r \leq 15

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Problem 2

In the 2017 Wyoming state senate of 30 members, what inequality shows d+r>15 d + r > 15 for a bill to pass? A) d+r>15 d+r>15 B) d+r<15 d+r<15 C) d+r15 d+r \geq 15 D) d+r15 d+r \leq 15

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Problem 3

Find k k such that x2+k(x+2)+3(x+1)>0 x^{2}+k(x+2)+3(x+1)>0 for all x x . What is the range of k k ?

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Problem 4

In triangle DEF D E F , find the longest side given mD=59,mE=76,mF=45 m \angle D=59^{\circ}, m \angle E=76^{\circ}, m \angle F=45^{\circ} .

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Problem 5

Find values of k k so that 2x2+k2+22(k+2)x>0 2 x^{2}+k^{2}+2-2(k+2) x > 0 for all x x .

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Problem 6

Prove x2x+274 x^{2}-x+2 \geq \frac{7}{4} for all values of x x .

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Problem 7

Find x x such that 1+x27xx23 1+x^{2} \geq-\frac{7 x-x^{2}}{3} and determine the minimum of y=1+x2+7xx23 y=1+x^{2}+\frac{7 x-x^{2}}{3} .

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Problem 8

Find the largest perimeter of an isosceles triangle with sides 8.2 cm8.2 \mathrm{~cm} and 9.4 cm9.4 \mathrm{~cm} measured to the nearest mm.

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Problem 9

If x3>5|x-3|>5, which inequalities are true? a) 2<x<8-2<x<8 b) 8<x<2-8<x<2 c) x<8x>2x<-8 \cup x>2 d) x<2x>8x<-2 \cup x>8 e) x<8x>2x<-8 \cup x>-2

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Problem 10

Solve 2x2802 x^{2}-8 \leq 0 and choose the correct interval for xx.

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Problem 11

Is the Garamycin dose of 35mg35 \mathrm{mg} every 6h6 \mathrm{h} safe for a 42lb42 \mathrm{lb} child? Justify your answer.

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Problem 12

Is a daily dose of 175mcg175 \mathrm{mcg} of Levothyroxin safe for an 8-year-old weighing 29.5 kg29.5 \mathrm{~kg}? Explain.

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Problem 13

Is a 600mg600 \mathrm{mg} dose of Amoxicillin every 6 hours safe for a child weighing 35 pounds, given the 150350mg150-350 \mathrm{mg} daily range?

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Problem 14

Find the safe dose range for a 35-pound child taking Amoxicillin, with a daily dose of 150mg350mg150 \mathrm{mg}-350 \mathrm{mg}.

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Problem 15

A child weighs 29 pounds. Is a dose of 0.125mg0.125 \mathrm{mg} every 12 hours safe, given the range 11.318.8mg/kg/day11.3-18.8 \mathrm{mg} / \mathrm{kg} / \mathrm{day}?

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Problem 16

In triangle ABCABC, with BC=32BC=3\sqrt{2} and ABC=45\angle ABC=45^{\circ}, find the minimum of CM+MNCM + MN as MM and NN move on BDBD and BCBC.

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Problem 17

Identify valid triangle side lengths from these options: A. 16,8,1016,8,10 B. 4,12,64,12,6 C. 6,9,176,9,17

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Problem 18

What is the maximum and minimum amount of money that rounds to \$105.40 when rounded to the nearest dime?

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Problem 19

Roll a fair die twice. Find the probability that the sum is > 5 (Event A) and divisible by 2 or 4 (Event B). Round to two decimals.

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Problem 20

In a shop, a ruler costs \$5 and a pen costs \$6. If Peter has \$200, how many rulers and pens can he buy at most?

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Problem 21

Express the inequality 812z<138 \leq 1-2 z < 13 in terms of zz.

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Problem 22

Si aX,bRa \in \mathbb{X}, b \in \mathbb{R} y cRc \in \mathbb{R}, evalúa las proposiciones sobre aa, bb y cc.

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Problem 23

9) Sif estinationale. - Verifica si son verdaderas las siguientes afirmaciones para a,b,cRa, b, c \in \mathbb{R}: a) (ab)(acbc)(a \leq b) \Rightarrow(a c \leq b c) b) (abc>0)(acbc)(a \leq b \wedge c>0) \Rightarrow(a c \geq b c) c) (ab=0)(a=0b=0)(a b=0) \Rightarrow(a=0 \wedge b=0) d) (ab=c)(a=cb=c)(a b=c) \Rightarrow(a=c \vee b=c) e) (abc<0)(acbc)(a \geq b \wedge c<0) \Rightarrow(a c \leq b c)

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Problem 24

Compare xyx - y and (x+y)2(x + y)^{2} given x>0>yx > 0 > y.

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Problem 25

Is a 24.7-second 100-m dash satisfactory if last year's average was μ=28.5\mu=28.5 and σ=3.1\sigma=3.1? Explain.

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Problem 26

Jordan has ingredients for hot chocolate. What's the max servings he can make with 5 chocolate squares, 2 cups sugar, and 7 cups milk?

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Problem 27

A building's height is 180 m180 \mathrm{~m}. What is the maximum absolute error if this is rounded to the nearest meter?

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Problem 28

The container's capacity is 450 mL450 \mathrm{~mL}. Find the max error, lower limit, and upper limit of its actual capacity.

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Problem 29

The weight of powder is 84.2 g84.2 \mathrm{~g}, rounded to the nearest 0.1 g0.1 \mathrm{~g}. Find the range of actual weight WW.

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Problem 30

Qui a le plus d'argent entre Lizzy (500 frs), Jean (50 frs) et Fifi (700 frs) ?

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Problem 31

If xx is a positive integer such that (x1)(x3)(x5)(x93)<0(x-1)(x-3)(x-5)\ldots(x-93)<0, how many values can xx take?

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Problem 32

Find the maximum value of xx if x5y17x \leq 5y - 17 and y=3y = 3.

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Problem 33

Solve the inequality 4x324^{x} \leq 32.

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Problem 34

Solve the inequality 23x3x12 \cdot 3^{-x} - 3^{x} \geq 1.

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Problem 35

How many days must a skier ski for a season pass (450)tobecheaperthandailypasses(450) to be cheaper than daily passes (77 + \2525 per day)?

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Problem 36

The weight of a powder is 84.2 g84.2 \mathrm{~g}, rounded to the nearest 0.1 g0.1 \mathrm{~g}. Determine the possible range for WW.

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Problem 37

Find the max absolute error, measured time, and percentage error for tt with 25.465t<25.47525.465 \leq t < 25.475.

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Problem 38

Find the actual length LL of a copper rod measured as 80 cm80 \mathrm{~cm} with a relative error of 1160\frac{1}{160}.

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Problem 39

Find the range of the actual area of a rectangle with width 3.0 cm3.0 \mathrm{~cm} and length 8.0 cm8.0 \mathrm{~cm}.

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Problem 40

In a factory, packs of rice weighing 5000 g5000 \mathrm{~g} (nearest 50 g50 \mathrm{~g}) are acceptable. Find:
(a) upper limit for 1 pack. (b) upper limit for 48 packs in kg\mathrm{kg}. (c) can 48 packs weigh 242 kg242 \mathrm{~kg} (nearest kg)? Explain.

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Problem 41

Solve the inequality 7x6>71x7^{x}-6>7^{1-x}.

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Problem 42

Solve the inequality (5q2)24(2)(pq)<0(-5 q-2)^{2}-4(-2)(p q)<0.

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Problem 43

Determine if a 100-m dash time of 24.7 seconds is satisfactory given μ=28.5\mu=28.5 and σ=3.1\sigma=3.1.

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Problem 44

Solve the inequality for yy: 4x+3y<94x + 3y < 9.

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Problem 45

Solve the inequality: x+4y>0x + 4y > 0.

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Problem 46

Solve the inequality x22x3>0x^2 - 2x - 3 > 0.

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Problem 47

A customer wants a 5-line ad for $45.00\$ 45.00 max. Suggest the best package based on the rates provided.

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Problem 48

Solve the inequality x25x24>0x^{2} - 5x - 24 > 0.

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Problem 49

Solve the inequality y2+y20y^{2}+y-2 \leq 0.

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Problem 50

Kann Phil in 3 Stunden seine Freundin erreichen, die 80 km entfernt ist, mit dem Fahrrad?

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Problem 51

Find values of xx such that: 6x2+17x146 x^{2}+17 x \geq 14.

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Problem 52

An investor owns an ETF tracking the ASX 200 with a 2%2\% dividend yield. Buy at \50,sellat$49.Borrowat50, sell at \$49. Borrow at 7\%,investat, invest at 5.5\%$. Find the half-year forward price range with no arbitrage.

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Problem 53

Giải các bất phương trình sau:
1) 2x+34x+5<0\frac{2x+3}{-4x+5}<0
2) x2+3x+2(x1)(x2+4x4)0\frac{x^{2}+3x+2}{(x-1)(-x^{2}+4x-4)} \geq 0

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Problem 54

An optic fibre cable is 860 m860 \mathrm{~m} (nearest 10 m10 \mathrm{~m}). Each piece is 36 cm36 \mathrm{~cm} (nearest cm\mathrm{cm}). Find max nn.

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Problem 55

Find the half-year forward price range for an ETF with a 2% dividend yield, bought at \$50 and sold at \$49, with borrowing at 7% and investing at 5.5%.

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Problem 56

Solve the equation 2(x+1)4x!2(x+1) \neq 4x! for values of xx.

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Problem 57

Express the interval [2,8][2,8] using an inequality format.

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Problem 58

Graph the inequality 10>x110 > x \geq 1 on a number line.

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Problem 59

Khalid compares prices for sandwiches: Store A: 5 ft for \$42.50, Store B: 6 ft for \$49.50. Which is cheaper per foot?

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Problem 60

Khalid is buying sandwiches: Store A has a 5-foot for \$42.50, Store B has a 6-foot for \$49.50. Which is cheaper per foot?

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Problem 61

Two teams paint fences. Blue Team: 15 m² in 6 hrs; Red Team: 8 m² in 4 hrs. Which team is faster? Compare rates: 2.5>22.5 > 2.

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Problem 62

When is the product of two positive numbers, xx and yy, less than either xx or yy?

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Problem 63

Find the maximum number of pieces nn from an 860 m860 \mathrm{~m} cable cut into lengths of 36 cm36 \mathrm{~cm} each.

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Problem 64

Solve the inequality: 72x>237 - 2x > 23.

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Problem 65

Solve the inequality x2+4x21<0x^{2}+4 x-21<0 and shade the solution region.

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Problem 66

Find the values of cc that satisfy the inequality: 4x+73(x+3)4x + 7 \geq 3(x + 3).

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Problem 67

Find the values of xx that satisfy the inequality: 4x+73(x+3)4x + 7 \geq 3(x + 3).

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Problem 68

Explain the relationship between the underlined digits in these pairs:
1. 3.4193. \underline{4}19 and 3473 \underline{4}7
2. 15,06415,0\underline{6}4 and 175,938175,9\underline{3}8
3. 685\underline{6} 85 and 6,293\underline{6}, 293
4. 792,1567 \underline{9} 2,156 and 849,30284 \underline{9}, 302

Are you comparing absolute values or their positional relationships?

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Problem 69

Identify the two whole numbers between which 54\sqrt{54} lies and justify your answer.

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Problem 70

Determine the two whole numbers between which 98\sqrt{98} lies. Justify your answer and position 98\sqrt{98} on the number line.

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Problem 71

Find the two whole numbers between which 77\sqrt{77} lies. Justify your answer and place 77\sqrt{77} on a number line.

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Problem 72

Determine the two consecutive whole numbers that 10\sqrt{10} falls between. Explain your reasoning.

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Problem 73

Find the two consecutive whole numbers between which 93\sqrt{93} lies.

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Problem 74

Find two consecutive whole numbers that 52\sqrt{52} is between and justify your answer.

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Problem 75

Find the two whole numbers between which 87\sqrt{87} lies. Justify your answer and place 87\sqrt{87} on a number line.

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Problem 76

Find two consecutive whole numbers that 78\sqrt{78} is between and justify your answer.

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Problem 77

Find two consecutive whole numbers between which 85\sqrt{85} lies. Justify your answer and locate it on a number line.

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Problem 78

Find two whole numbers between which 92\sqrt{92} falls. Justify your answer and place 92\sqrt{92} on a number line.

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Problem 79

Determine the two whole numbers that 50\sqrt{50} is between and justify your answer.

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Problem 80

Determine the two whole numbers between which 38\sqrt{38} falls.

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Problem 81

Determine the two consecutive whole numbers that 86\sqrt{86} falls between and justify your answer.

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Problem 82

¿Cuánto cuesta el estacionamiento por los primeros 60 minutos si 80 min cuestan 15200 y 95 min cuestan 17000?

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Problem 83

El costo de los primeros 60 minutos en el parqueadero está entre \$12.700 y \$15.850. ¿Cuál es el rango exacto?

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Problem 84

Solve the compound inequality: 5y1<105 \leq y-1 < 10.

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Problem 85

At what time is the diver farther from sea level: at -30 feet (1:00 p.m.) or -45 feet (2:00 p.m.)?

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Problem 86

Find the solution set for the inequality x(1+lnx)<0x(-1+\ln x)<0.

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Problem 87

Is the statement true or false: 19.7<19.719.7 < |19.7|? Answer: True O False

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Problem 88

Solve the inequality x2+4x>77x^{2}+4 x>77. What are the solution intervals?

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Problem 89

What price change in FOJC triggers a margin call if you bought 2 contracts at 286 cents with a \$3,750 maintenance margin?

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Problem 90

Convert the capacities of three milk containers to millilitres and identify the smallest one. Hint: 1000ml=1L1000 \mathrm{ml}=1 \mathrm{L}.

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Problem 91

Three milk containers have capacities: 1.516 L, 13201 \frac{3}{20} L, and 1 L + 45mt45 \mathrm{mt}. Convert to mL and find the smallest.

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Problem 92

삼각형의 변이 x1,x,x+1x-1, x, x+1일 때, xx의 가능한 값 중 아닌 것은? (1) 2 (2) 3 (3) 4 (4) 5 (5) 6

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Problem 93

Determine the inequality for the range of the linear function pp given points (2,3)(2,-3) and (4,4)(-4,4).

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Problem 94

Solve the linear inequality: 3+2x73 + 2x \leq 7

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Problem 95

Solve the inequality: 7x>56-7x > 56. Find the value of xx.

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Problem 96

Solve the inequality x35|x-3| \leq 5.

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Problem 97

Soient AA et BB deux parties non-vides de R\mathbb{R} avec aba \leq b pour tout aAa \in A et bBb \in B. Montrez que AA est majoré, BB est minoré et sup(A)inf(B)\sup (A) \leq \inf (B).

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Problem 98

Solve the inequality x31x2+x+1|x^{3}-1| \leq x^{2}+x+1 and find x[0,2]x \in [0, 2].

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Problem 99

Check if the scale from triangle with sides 1cm, 2cm, 2.5cm to triangle with sides 3cm, 6cm is 1:31:3.

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Problem 100

Find a fraction between 2/32/3 and 4/54/5. Options: A. 3/43/4 B. 1/21/2 C. 5/65/6 D. 1/51/5

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