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3 years ago

Back at it again. At not getting math.

Mathematics

1 answer:

NARA [144]3 years ago

7 0

Answer:

$168 {m}^{3}$

Step-by-step explanation:

Volume of pyramid= $\frac{1}{3} \times base \: area \times height$

Thus, volume of rectangular pyramid

$= \frac{1}{3} (9)(8)(7) \\ = 168m^{3}$

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Which of the following algebraic expressions is not simplified?

AlladinOne [14]

Answer:

Option D. a^2+6ab-2ba

Step-by-step explanation:

Option D because we have like terms: 6ab and -2ba=-2ab, then

a^2+6ab-2ba=a^2+6ab-2ab

Simplifying on the right side of the equation adding like terms:

a^2+6ab-2ba=a^2+4ab

6 0

3 years ago

a boat is traveling at an average speed of 15 meters per second. how many kilometers per minute is the boat traveling?

lukranit [14]

We know that 1 meter is 0.001 km and that 1 minute is 60 seconds.
To transform 15m/s we into km/min we have to multiply 15 by 0.001 and multiply it by 60.
$15*0.001*60=0.0015*60=0.09 km/min$ - its the answer

4 0

3 years ago

Read 2 more answers

what is the equation of the line shown below? Give your answer in slope-intercept form. (5,4) (-4,-5)

Lynna [10]

Answer:

y = 1x + -1 or y = x - 1

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Please hurry I need to pass this class

Dvinal [7]

Answer:

$\displaystyle m=\frac{-3}{4}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

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

Step-by-step explanation:

Step 1: Define

Find points from graph.

Point A(0, 8)

Point B(4, 5)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [Slope Formula]: $\displaystyle m=\frac{5-8}{4-0}$
[Fraction] Subtract: $\displaystyle m=\frac{-3}{4}$

4 0

3 years ago

What is P(2 or divisor of 9)? please explain!

Dmitrij [34]

The probability that a divisor of 2 or 9 is chosen when the spinner is spun once is 2/3.

<h3>What is the probability?</h3>

Probability determines the chances that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.

P(2 or divisor of 9) = section that has a divisor of 2/ total number of sections + section that has a divisor of 2/ total number of sections

1/3 + 1/ 3 = 2/3

To learn more about probability, please check: brainly.com/question/13234031

#SPJ1

3 0

2 years ago