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MrRissso [65]
2 years ago
15

Giving brainliest !! *easy*

Mathematics
1 answer:
Dmitriy789 [7]2 years ago
5 0

Answer:

  1. r
  2. 2r
  3. \pi \: r
  4. m
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Solve for x. enter your answer in interval notion using grouping symbols. x^2+2x<15
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The inequality would be -5<x<3...

Hope this helps!

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3 years ago
25 pts What is the rule for a reflection across the origin followed by a translation 9 units to the left and 7 units down?
BartSMP [9]

Answer:

B

Step-by-step explanation:

1. A reflection across the origin has a rule

(x,y)\rightarrow (-x,-y).

2. A translation 9 units to the left and 7 units down has a rule

(x,y)\rightarrow (x-9,y-7).

Then the rule for a reflection across the origin followed by a translation 9 units to the left and 7 units down is

(x,y)\rightarrow (-x-9,-y-7).

This means that the point with coordinates (x,y) has the image with coordinates (x',y')=(-x-9,-y-7).

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3 years ago
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4 times a number less than 7 times the same number is 24. Find the number.
Afina-wow [57]

Answer:

the number is 1

Step-by-step explanation:

4(7n-n)=24

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24n=24

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7 0
3 years ago
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Select the correct answer. A linear function has a y-intercept of -12 and a slope of 3/2. What is the equation of the line? y =
aniked [119]

Answer:

The equation of the line is:

  • y\:=\:\frac{3}{2}x\:-12

Step-by-step explanation:

The slope-intercept form of the line equation

y = mx+b

where

  • m is the slope
  • b is the y-intercept

Given

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now substituting b = -12 and m = 3/2 in the slope-intercept form of line equation

y = mx+b

y\:=\:\frac{3}{2}x\:+\:\left(-12\right)

y\:=\:\frac{3}{2}x\:-12

Therefore, the equation of the line is:

  • y\:=\:\frac{3}{2}x\:-12
8 0
3 years ago
Suppose that during the 1990s, the population of a certain country was increasing by 1.7% each year. If the population at the en
dem82 [27]
The answer would be 5.491 million, but can be rounded to 5.5 million.
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3 years ago
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