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3 years ago

The price of a video game was reduced from $60

Mathematics

2 answers:

Svet_ta [14]3 years ago

8 0

25% of 60=15. 60-15=45 so the answer is B.) 25

Zigmanuir [339]3 years ago

7 0

You take the orignal price of the video game and subtract the new price to see how much it was reduced. 60-45 = 15. then you take the reduced amount of the game (15) and divide by the original price (60).
you get 25%
your answer is B

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Seventy dash fiveSeventy-five percent of households say they would feel secure if they had $50,000 in savings. You randomly sel

Tresset [83]

A) 0.2076
B) 0.6786
C) 0.3214

Explanation:
A) $P(X=5)=_8C_5(0.75)^5 \times(1-0.75)^{8-5}
\\
\\=_8C_5(0.75)^5 \times (0.25)^3=0.2076$
B) We find the probability that X=6, 7, or 8:
$P(X=6)=_8C_6(0.75)^6(0.25)^2=0.3115
\\
\\P(X=7)=_8C_7(0.75)^7(0.25)^1=0.267
\\
\\P(X=8)=_8C_8(0.75)^8(0.25)^0=0.1001
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\\0.3115+0.267+0.1001=0.6786$
C) P(X≤5) = 1-P(X>5) = 1-0.6786 = 0.3214

5 0

3 years ago

What is the value of m in the equation one-half m minus three-fourths n equals 16, when n equals 8? a.20 b.32 c.44 d.48

bezimeni [28]

Answer:

C. 44

Step-by-step explanation:

$\frac{1}{2} m - \frac{3}{4} n = 16 \\ \\ \frac{1}{2} m - \frac{3}{4} \times 8 = 16..( plug \: n = 8) \\ \\ \frac{1}{2} m - 3 \times 2 = 16 \\ \\ \frac{1}{2} m - 6 = 16 \\ \\ \frac{1}{2} m = 16 + 6 \\ \\ \frac{1}{2} m = 22 \\ \\ m = 22 \times 2 \\ \\ m = 44$

7 0

3 years ago

Read 2 more answers

Factor the following Polynomials 2x2 + 5x + 2

Leokris [45]

Answer:

Step-by-step explanation:

Find the multiples of 2x^2 and 2

for 2x^ you get 2,1 but they need to have x to get x^2 so; (2x and x)=2x^2

for 2 you get 2,1 (2x1)=2

Because your equation has a 5x and no negatives you know that your factors need to be positive.

(2x+1)(x+2)

when you multiply these you get

2x^2+4x+x+2 (remember 2x multiplies with everything inside (x+2) = 2x^2+4) and so on for the x (x+2) =x+2 )

Then you combine like terms 4x+x=5x

and those are the only like terms available and you get

2x^2+5x+2

Hope it helped

3 0

2 years ago

Write an equation in slope-intercept form with a slope of 7 and a y-intercept of - 3.

Korolek [52]

Answer:

y = 7x - 3

Step-by-step explanation:

y = mx + b

m = slope

b = y-intercept

y = 7x - 3

5 0

2 years ago

The population of a city is expected to increase by 7.5 percent next year .if p repressents he current population which expressi

Inga [223]

There are at least a few ways to express it, one of them being:

<u>p' = p + 0.075p</u>

p' is for population in the upcoming year.

0.075 is as much as 7.5%, so we just add current population and the value of expected increase.

3 0

3 years ago