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zhannawk [14.2K]
3 years ago
11

Please helppp need the answers

Mathematics
1 answer:
Marianna [84]3 years ago
7 0
C and can I have Brainliest!? <3
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2 less than four times a number is equal to twice a number increase by 8 write an equation and solve to find the value of x
Tom [10]
4x - 2 = 2x + 8
2x -2 = 8
2x = 10
x = 5

4(5)-2 = 2(5)+8
20-2 = 10+8
18 = 18
5 0
3 years ago
What is the circumference of a circle whose radius is 20 feet? Leave answer in terms of π.
lesantik [10]

Answer:

What is the circumference of a circle whose radius is 20 feet? Leave answer in terms of π.  

A)  10π feet  

B)  20π feet  

<u> C)  40π feet  </u>

 D)  100π feet

Step-by-step explanation:

circumference = 2πr

circumference=2×π×20

circumference=40π

5 0
3 years ago
Read 2 more answers
which shows one way to determine the factors of 12x^3 - 2x^2 + 18x - 3 by grouping? A) 2x^2(6x - 1) + 3(6x - 1) B) 2x^2(6x - 1)
Eva8 [605]

Answer:

2x^2(6x - 1) + 3(6x - 1)

Step-by-step explanation:

Given

12x^3 - 2x^2 + 18x - 3

Required

Factorize

To start with; we need to group the expression into two

(12x^3 - 2x^2) + (18x - 3)

Factorize each grouped expression, using their common factor

2x^2(6x - 1) + 3(6x - 1)

From the list of given options;

Option A is correct

4 0
3 years ago
(a) Find the perimeter of the shape below. (Take π =<br>22/7)<br>3cm<br>3cm<br>12cm<br>20cm​
MariettaO [177]
Try 20cm








it’s correct
3 0
3 years ago
Enter an equation in point-slope form for the perpendicular bisector of the segment with endpoints M(−3, 7) and N(9, −3). The po
scZoUnD [109]

Answer:

5y - 6x = 53

Step-by-step explanation:

Given the segment with endpoints  M(−3, 7) and N(9, −3), let us find the slope first

m = y2-y1/x2-x1

m = -3-7/9-(-3)

m = -10/12

m = -5/6

Since the unknown line forms a perpendicular bisector, the slope of the unknown line will be:

m = -1/(-5/6)

m = 6/5

To get the intercept of the line, we will substitute m = 6/5 and any point on the line say (-3, 7) into the equation y = mx+c

7 = 6/5 (-3)+c

7 = -18/5 + c

c = 7 + 18/5

c = (35+18)/5

c = 53/5

Substitute m = 6/5 and c = 53/5

y = 6/5 x + 53/5

multiply through by 5

5y = 6x + 53

5y - 6x = 53

hence the point-slope equation of the perpendicular bisector is 5y - 6x = 53

6 0
2 years ago
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