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3 years ago

What is the determinant of ? –30 –4 30 60

Mathematics

1 answer:

muminat3 years ago

8 0

Answer:

the answer is 30. on edgenuity option C.

Step-by-step explanation:

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Give the equation of a parallel line to x=3 going thru (2,5)

Vikki [24]

Answer:

y=3x+5

Step-by-step explanation:

The formula is y=mx +b if m is the slope then 3 goes there. If b is the y intercept then 5 goes there since (x,y)

3 0

3 years ago

Read 2 more answers

I need an equation for 5 times the sum of 3 times a number and 4 is negative 10

galina1969 [7]

5(3x)+4=-10 i think that is the correct answer

8 0

3 years ago

Read 2 more answers

Find the value of x. Round to the nearest tenth.

denpristay [2]

Answer:

$\displaystyle x \approx 38.2 ^{\circ}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtract Property of Equality

Pre-Calculus

Law of Sines: $\displaystyle \frac{sin(A)}{a} =\frac{sin(B)}{b} =\frac{sin(C)}{c}$

A, B, C are angle measures
a, b, c are leg lengths

Step-by-step explanation:

Step 1: Identify

A = 27°, a = 11

B = x°, b = 15

Step 2: Solve for x

Substitute [LOS]: $\displaystyle \frac{sin(27^{\circ})}{11} =\frac{sin(x^{\circ})}{15}$
Cross-multiply: $\displaystyle 11sin(x^{\circ}) = 15sin(27^{\circ})$
Isolate x term: $\displaystyle sin(x^{\circ}) = \frac{15sin(27^{\circ})}{11}$
Isolate x: $\displaystyle x = sin^{-1}(\frac{15sin(27)}{11})$
Evaluate: $\displaystyle x = 38.2488 ^{\circ}$
Round: $\displaystyle x \approx 38.2 ^{\circ}$

7 0

3 years ago

Exactly 20% of the students in a school wear glasses. Sixty-five students are randomly selected to determine the probability tha

garik1379 [7]

Answer:

A binomial probability density function should be used because the question asks for determining the probability that exactly 10 students wear glasses.

Step-by-step explanation:

A binomial probability density function is used when we want to know the probability of an exact value.

A cumulative distribution function is used when we want to know the probability of less than or equal to a value.

4 0

3 years ago

Ms. Fox loves to eat cereal and she notices that she only has 1/3 of the box of cereal left. If she spread that amount across 5

IceJOKER [234]

Answer:

1/15

Step-by-step explanation:

Ms. Fox loves to eat cereal and she notices that she only has 1/3 of the box of cereal left. If she spread that amount across 5 days, how much cereal will she have for each day?

The amount of cereal she would have per day is calculated as:

5 days = 1/3 of the box

1 day = x

Cross Multiply

5 days × x = 1 day × 1/3 of the box

x = 1/3 ÷ 5

x = 1/3 × 1/5

x = 1/15 of the box

8 0

3 years ago