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pychu [463]
2 years ago
5

What is the answer of (3.42 x 10-7) ÷ (7.5 x 10-6) in standard form

Mathematics
1 answer:
OLga [1]2 years ago
7 0
The answer is 2.565 * 10^-12
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What is the coefficient of y in the expression 3 ⋅ 4 + 5y?
ZanzabumX [31]
<h3>Answer: 5</h3>

The coefficient is the term just to the left of the variable. So for the term 5y, the number to the left of y is 5.

extra info: 5y is the same as 5*y or "5 times y", where y is a placeholder for some unknown number.

7 0
2 years ago
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Which expression represents: twice a number increased by 39​
Cerrena [4.2K]

Answer:

2x+39

Step-by-step explanation:

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2 years ago
The hypotenuse of a right triangle measures 10 inches, and the side opposite to ∠θ, one of the non-right angles, is 5 inches lon
NISA [10]
The measure of angle theta is 30 degrees. 

This is a 30-60-90 triangle where the short leg is half that of the hypotenuse. The short leg is opposite the smallest angle 30 degrees. 

You can use trig to find that
sin(angle) = opposite/hypotenuse
sin(theta) = 5/10
sin(theta) = 0.5
theta = arcsin(0.5)
theta = 30 degrees
7 0
3 years ago
7 is a factor of <br> a 28<br> b 16<br> c 11<br> d 4
Blababa [14]

Answer:

a) 28

Step-by-step explanation:

4 0
2 years ago
The side length of the cube is 5 cm. Find the volume of the cube.
lidiya [134]

Answer:

125 cm³

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Geometry</u>

Volume of a Cube Formula: V = a³

  • <em>a</em> is a side length

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify variables</em>

<em>a</em> = 5 cm

<u>Step 2: Find Volume</u>

  1. Substitute in variables [Volume of a Cube Formula]:                                    V = (5 cm)³
  2. Evaluate exponents:                                                                                         V = 125 cm³
5 0
2 years ago
Read 2 more answers
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