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3 years ago

The list below shows the prices of T-shirts at a clothing store,

Mathematics

1 answer:

VLD [36.1K]3 years ago

3 0

Answer:

The answer is the sum of the prices divided by 7.

Step-by-step explanation:

~Anna

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A used car dealer sells SUVs and cars. Of all the vehicles, 60% are cars. Of all the vehicles, 15% are red cars. What is the pro

kramer

Answer:

The probability that a car chosen at random is not red is 75%.

Step-by-step explanation:

Given that a used car dealer sells SUVs and cars, and of all the vehicles, 60% are cars, and of all the vehicles, 15% are red cars, to determine what is the probability that a car chosen at random is not red you must perform the following calculation:

60 = 100

15 = X

15 x 100/60 = X

25 = X

100 - 25 = 75

Therefore, the probability that a car chosen at random is not red is 75%.

7 0

3 years ago

What is the slope of the line that contains these points? (39,36) (40,29) (41,22) (42,15)

Masteriza [31]

Answer:

-7

Step-by-step explanation:

As x increases by 1, y decreases by 7, so the "rise"/"run" is ...

slope = rise/run = -7/1 = -7

7 0

3 years ago

The art class is planning to paint a mural on the outside wall this figure is a scale drawing of the wall the scale is 2 inches:

solniwko [45]

Answer:

The area of the actual wall is 693 square feet.

Step-by-step explanation:

Step 1 : Finding the length of the wall in feet.

Length of the wall in the scale drawing = 28 inches

Length of the actual wall = $28 \times \frac{3}{2}$ feet

Length of the actual wall = $\frac{84}{2}$ feet

Length of the actual wall = 42 feet

Step 2 : Finding the width of the wall in feet.

Width of the wall in the scale drawing = 11 inches

Width of the actual wall = $11 \times \frac{3}{2}$ feet

Width of the actual wall = $\frac{33}{2}$ feet

Width of the actual wall = 16.5 feet

Step 3 :

Find area of the wall in square feet.

Area of the actual wall = Length x Width

Area of the actual wall = 42 x 16.5

Area of the actual wall = 693 square feet.

3 0

3 years ago

A business has a savings account that earns a 3% annual interest rate. At the end of 1996, the business had $4,000 in the accoun

olya-2409 [2.1K]

Answer:

The amount the business initially invested in 1991 is approximately;

A. $3,450

Step-by-step explanation:

The question relates to investment and finance

The parameters given are;

The annual interest rate on the business savings account = 3%

The amount the business had in the account at the end of 1996 = $4,000

The given formula used to determine the final amount in the savings account, $F = p \cdot \left(1 + \dfrac{r}{100} \right )^t$

Where;

F = The final amount

p = The initial (principal) investment

r = The annual interest rate

t = The time in years

Therefore, we have;

The required information = The initial amount, 'p', the business invested in 1991

The time in years, 't', from 1991 to 1996 = 1996 - 1991 = 5

∴ The time in years from 1991 to 1996, t = 5 years

The final amount in 1996, F = $4,000

r = 3%

Plugging in the values in the given equation gives;

$4000 = p\cdot \left(1 + \dfrac{3}{100} \right )^5$

Therefore;

$p = \dfrac{4000}{\left(1 + \dfrac{3}{100} \right )^5} = 3,450.43513754$

To the nearest dollar, the initial amount the business invested in 1991, p ≈ $3,450.

3 0

3 years ago

What is the volume of the sphere? (Use 3.14 for π.) 301.44 in.3 2,712.96 in.3 904.32 in.3 1,521.12 in.3

stealth61 [152]

The volume of the sphere is 904.32 inch³.

Step-by-step explanation:

Step 1:

The given sphere has a diameter of 12 inches, so the radius is $\frac{12}{2} = 6$ m.The volume of a sphere is given by multiplying $\frac{4}{3}$ with π and the cube of the radius (r³).

The volume of a sphere, $V = \frac{4}{3} \pi r^{3} .$

Step 2:

Here the radius is 6 inches. We take π as 3.14.

The volume of a full sphere, $V = \frac{4}{3} \pi r^{3} = \frac{4}{3} (3.14)(6^{3} ).$

$\frac{4}{3} (3.14) (6^{3})= 904.32$ in³ .

The volume of the sphere is 904.32 inch³, This is the third given option.

6 0

3 years ago