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DerKrebs [107]
3 years ago
14

A(n) ______ line is a line that relates points on the line with numbers.

Mathematics
1 answer:
Oliga [24]3 years ago
7 0

ans: number line

Step-by-step explanation:

the ans is number

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Can you please help me?
larisa [96]
Replace the words with what you know
(Original cost)(6%)=5.25
(Original cost)(0.06)=5.25
(original cost)=5.25/0.06=87.5
6 0
3 years ago
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Express 4x^2 − 12x in the form (2x + a)^2 + b.
gladu [14]

Answer: (2x-3)^2-9\\

a=-3

b=-9

Step-by-step explanation:

4x^2-12x=(2x)^2-2*2x*3+9-9\\=(2x-3)^2-9\\

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3 years ago
This morning, Jake took a history test. There were 90 multiple-choice problems on the test and
ahrayia [7]

Answer:

36

Step-by-step explanation:

To find percent, turn the percent into a fraction (turn 40% into .40) then multiply it by the total number (90).

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3 years ago
Question 7 of 10
Sindrei [870]

Answer:

(2+5)2-52

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6 0
3 years ago
The volume of a cone with a height of 10 meters is 20 pi cubic meters. what is the diameter of the cone?
lesya [120]

Answer:

2√6 m

Step-by-step explanation:

The formula for the vol. of a cone is V = (1/3)(area of base)(height).

Here, V = 20π m³ = (1/3)(area of the base)(10 m)

We need to solve for (area of the base).

Multiplying both sides of this equation by (3/10) results in:

(3/10)(20 π m³) = (area of the base)

This simplifies to 6π m² = (area of the base)

We still must find the diameter of the base.  Let's find the radius of the base first:      The formula for the area of a circle is A = πr².  Here we have 6π m² = πr², which tells us that r² = 6 m².  Since d = 2r, and r = d/2, r² = d²/4.     Then the equation 6 m² = r²  becomes:

6 m² = d²/4.

Solve this for d.   Multiplying both sides by 4, we get:

24 m² = d²2, and d = √(24 m²) = 2√6 m  

The cone diameter is 2√6 m.

8 0
3 years ago
Read 2 more answers
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