3 years ago

0.003 is 1/10 of ____

Mathematics

1 answer:

34kurt3 years ago

8 0

.0003, .04, .02, 2 now i need to type more do i cam be more than 20 characters

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The value of n for the equation 5n = 5 11 × 5 3

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If you add the two terms on the right, you will get 5^14. 14 is your answer.

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3 years ago

Which series of transformations will not map figure Q onto itself? (x + 2, y − 2), reflection over y = x − 1 (x − 2, y + 2), ref

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b Step-by-step explanation:

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3 years ago

A and B working together can do a work in 6 days. If A takes 5 days less than B to finish the work, in how many days B alone can

svetlana [45]

Answer:

15 days

Step-by-step explanation:

Let x be the number of days needed for B to complete the job. Then x-5 is the number of days needed for A to complete the job.

In 1 day,

A completes $\dfrac{1}{x-5}$ of all work;
B completes $\dfrac{1}{x}$ of all work.

Hence, in 1 day both A and B complete $\dfrac{1}{x-5}+\dfrac{1}{x}$ of all work. A and B working together can do a work in 6 days. Then

$6\cdot \left(\dfrac{1}{x-5}+\dfrac{1}{x}\right)=1.$

Solve this equation:

$\dfrac{6x+6x-30}{x(x-5)}=1,\\ \\12x-30=x^2-5x,\\ \\x^2-17x+30=0,\\ \\D=(-17)^2-4\cdot 30=289-120=169=13^2,\\ \\x_{1,2}=\dfrac{17\pm 13}{2}=2,\ 15.$

If $x=2,$ then $x-5=-3$ that is impossible. So, B needs 15 days to complete the work alone.

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3 years ago

Which expression is equivalent to (q6)2

Nat2105 [25]

Answer:

q¹²

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Exponential Rule [Powering]: $\displaystyle (b^m)^n = b^{m \cdot n}$

Step-by-step explanation:

Step 1: Define

Identify

(q⁶)²

Step 2: Simplify

Exponential Rule [Powering]: q⁶⁽²⁾
[Exponents] Multiply: q¹²

8 0

3 years ago

Read 2 more answers