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3 years ago

PLSS HELPP 25 POINTS AND BRAINLIEST

Mathematics

1 answer:

Dennis_Churaev [7]3 years ago

8 0

Answer:

$\Large \boxed{\sf 322.5 \ in^2}$

Step-by-step explanation:

Find the area of the 4 triangles and add them.

Area of triangle = base × height × 0.5

$(10 \times 15 \times 0.5 \times 3)+(15 \times 13 \times 0.5)= 322.5$

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2. The direct distance between city A and city B is 200 miles. The direct distance

Misha Larkins [42]

Answer:

Step-by-step explanation:

8 0

3 years ago

1. Delia purchased a new car for $23,350. This make and model straight line depreciates to zero after 13 years.

frosja888 [35]

Answer:

a. y-intercept = 23350 and x-intercept = 13

b. $m = -\frac{23350}{13}$

c. $y = -\frac{23350}{13}x + 23350$

Step-by-step explanation:

Given

$Years = 13$

$Total\ depreciation = \$23350$

Solving (a): The x and y intercepts

The y intercept is the initial depreciation value

i.e. when x = 0

This value is the value of the car when it was initially purchased.

Hence, the y-intercept = 23350

The x intercept is the year it takes to finish depreciating

i.e. when y = 0

From the question, we understand that it takes 13 years for the car to totally get depreciated.

Hence, the x-intercept = 13

Solving (b): The slope

The slope (m) is the rate of depreciation per year

This is calculated by dividing the total depreciation by the duration.

So:

$m = \frac{23350}{13}$

Because it is depreciation, it means the slope represents a deduction.

So,

$m = -\frac{23350}{13}$

Solving (c): The straight line equation

The general format of an equation is:

$y = mx + b$

Where

$m = slope$

$b = y\ intercept$

In (a), we have that:

$y\ intercept = 23350$

In (b), we have that:

$Slope\ (m) = -\frac{23350}{13}$

Substitute these values in $y = mx + b$

$y = -\frac{23350}{13}x + 23350$

<em>Hence, the depreciation equation is: </em> $y = -\frac{23350}{13}x + 23350$ <em></em>

8 0

3 years ago

objective: central limit theorem assumptions. the factor(s) to be considered when assessing if the central theorem holds is/are

Eddi Din [679]

Answer:

Sample size

Step-by-step explanation:

Central Limit Theorem states that population with mean and standard deviation and if the sample size is large then the distribution of sample mean will be will be normally distributed. The central limit theorem holds assumptions that the factors to be considered when assessing central limit theorem is sample size.

8 0

3 years ago

Will Upvote you!

notka56 [123]

For x = 4, then it means 3 to the fourth power or 3 times 3 times 3 times 3 times 3. 3^4 = 81 and 8 times that is 648.

y(x) = 8 * 3^x where x = 4:

y(x) = 8 * 3^4 = 8 * 81
y(x) = 648

The Function Rule then being that for every value of x there is one and only one value of y. y is the dependent variable and x is the independent variable.

7 0

3 years ago

What is the length of XY?

xeze [42]

Answer:

( C ) 20 inch

Step-by-step explanation:

AB=28 inch ( given )

AP=26 inch ( given )

since that xy bisects and its perpendicular to AB and CD

then AX=48/2 = 24 inch

so by using Pythagoras theorem

then 26 squared - 24 squared = 10 inch

so XD+YD= 10 +10 =20 inch

4 0

3 years ago