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nikitadnepr [17]
3 years ago
11

Help me with this math question

Mathematics
2 answers:
sammy [17]3 years ago
6 0

Answer:

C

Step-by-step explanation:

AfilCa [17]3 years ago
4 0

Answer: B

Step-by-step explanation:

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In one year, Linda's parents spend $2400 on cable and internet service. If they spend the same amount each month, what is the re
Yuri [45]

Answer: $200

Step-by-step explanation:

Given: In 1 year ,

Linda's parents spend $2400 on cable and internet service.

If they spend the same amount each month, Monthly payment = \dfrac{\text{Total money spent in 1 year}}{\text{Number of months in a year}}

=\dfrac{\$2400}{12}\ \ \ [\text{Number of months in a year}=12]\\\\=\$200

Hence, the resulting monthly change in the family's income = $200

4 0
2 years ago
The slope of the line passing through the points (6, 2) and (7, 3) is<br> 3/5<br> 1<br> -1
Softa [21]
<span>The slope of the line passing through the points (6, 2) and (7, 3) is

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7 0
2 years ago
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Listed below are prices in dollars for one night at different hotels in a certain region. Find the​ range, variance, and standar
Vanyuwa [196]

Answer:

Range = $115

Variance = $1915.2857

Standard deviation = $43.764

Step-by-step explanation:

Given the data:

234 160 119 131 218 207 146 141

Arranging in ascending order :

119, 131, 141, 146, 160, 207, 218, 234

The range = maximum - minimum

The range = 234 - 119 = 115

The variance :

Σ(x - mean)²/n-1

The mean = Σx / n

The mean = 1356 / 8 = 169.5

Variance :

Σ(x - mean)² = (119-169.5)² + (131-169.5)² + (141-169.5)² + (146-169.5)² + (160-169.5)² + (207-169.5)² + (218-169.5)² + (234-169.5)² = 13407

n - 1 = 8 - 1 = 7

Variance = 13407 / 7 = 1915.2857

Standard deviation = √variance

Standard deviation = √1915.2857

Standard deviation = $43.764

8 0
2 years ago
Find a numerical value of one trigonometric function of x for cscx=sinxtanx+cosx
ehidna [41]

cscx = sinx tan x + cos x

Using xsx x = 1/sin x and tan x = sin x/cos x

\frac{1}{sin x} = sinx *\frac{sinx }{cos x} + cosx

\frac{1}{sin x} = \frac{sin^2x +cos^2x}{cos x}

\frac{1}{sin x} = \frac{1}{cos x}

Multiplying both sides by cos x

\frac{cos x}{sin x} = 1

cot x =1

Correct option is d .

5 0
3 years ago
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At a car dealership yesterday, the ratio of trucks sold to cars sold was 5.6. If the dealership sold 30 cars, how many trucks we
aleksley [76]

Answer:

25

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ratio 5:6

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3 0
2 years ago
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