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2 years ago

Write -15.175 as a mixed number

Mathematics

2 answers:

Ksju [112]2 years ago

7 0

-15 7/40

Convert a mixed number by placing the numbers to the right of the decimal over
1000.

RoseWind [281]2 years ago

3 0

$-15\frac{7}{40}$ is the answer

Hope this helps

God bless you

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Marco deposited $500 in a savings account earning 4% interest over 5 years.

ollegr [7]

C. 100 because 500 times 0.04(decimal form of 4%) is 20. 20 times 5(years) is 100

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3 years ago

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What is the slope of the line that passes through the points (9, 5) and (21, 1)?

AleksandrR [38]

Answer:

$\displaystyle m = \frac{-1}{3}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)
Slope Formula: $\displaystyle m = \frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (9, 5)

Point (21, 1)

Step 2: Solve for slope m

Substitute in points [Slope Formula]: $\displaystyle m = \frac{1-5}{21-9}$
[Fraction] Subtract: $\displaystyle m = \frac{-4}{12}$
[Fraction] Simplify: $\displaystyle m = \frac{-1}{3}$

5 0

3 years ago

Find the missing length answer choices a. 20.2 ft b. 7.5ft c. 11.7ft d. 17.3

grigory [225]

7.5 ft beacuse it is long

6 0

2 years ago

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A, in simplest radical form

IgorLugansk [536]

Answer:

(

)

√

Use the definition of secant to find the known sides of the unit circle right triangle. The quadrant determines the sign on each of the values.

sec

(

)

hypotenuse

adjacent

Find the opposite side of the unit circle triangle. Since the adjacent side and hypotenuse are known, use the Pythagorean theorem to find the remaining side.

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hypotenuse

−

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Step-by-step explanation:

8 0

3 years ago

Determine whether the lines are parallel, perpendicular or neither: Line 1:4y−12=3x Line 2:2y−1.5x=−14

Kamila [148]

For this case we have that by definition, the equation of a line in the slope-intersection form is given by:

$y = mx + b$

Where:

m: It's the slope

b: It is the cut-off point with the y axis

We manipulate the expressions to model them in the pending-intersection form

Line 1:

$4y-12=3x\\4y=3x+12\\y=\frac{3}{4}x+\frac{12}{4}\\y=\frac{3}{4}x+3\\y=0.75x+3$

Line 2:

$2y - 1.5x = -14\\2y = 1.5x-14\\y = \frac {1.5} {2} x- \frac {14} {2}\\y = \frac {1.5} {2} x-7\\y = 0.75x-7$

By definition, we have that if two lines are parallel then their slopes are equal. It is observed that the slopes of both lines are equal, so the lines are parallel.

ANswer:

The lines are parallel

6 0

2 years ago