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RoseWind [281]
4 years ago
9

Simplify -4b + (-9k) -6 - 3b + 12

Mathematics
1 answer:
yKpoI14uk [10]4 years ago
5 0

Answer:

-1 • (7b + 9k - 6)  

Step-by-step explanation:


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When the two equations are graphed on a coordinate plane, they intersect at two points.
Law Incorporation [45]

Answer:

(0,4) and (-2,0)

Step-by-step explanation:

y=3x²+4x+4

y = -2x +4

3x²+4x+4 = - 2x +4

3x²+6x=0

3x(x+2)=0

x=0, x= -2

x=0, y=-2x+4= -2*0 + 4 =4,   (0,4)

x= - 2, y = 2x + 4= 2*(-2) +4=0,    (-2,0)

3 0
3 years ago
Yves bought 420 tropical fish for a museum display. He bought 6 times as many parrotfish as angelfish. How many of each type of
Bond [772]
Given:
420 tropical fishes
angel fish = x
parrot fish = 6x

x + y = 420
y = 6x          Choice D.

x + y = 420
y = 6x 

x + 6x = 420 
7x = 420 
x = 420 / 7
x = 60 number of angelfish

y = 6x
y = 6(60)
y = 360 number of parrot fish

7 0
3 years ago
The measure of Arc A D B is 162°. What is the measure of ∠EAB?<br><br> °
yawa3891 [41]

Answer:

81

Step-by-step explanation:

8 0
3 years ago
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C+25-11+100<br><br> what does "c" equal
fenix001 [56]

Answer:

=c+114

Step-by-step explanation:

6 0
3 years ago
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Find the mean median mode and range of 2,2,6,15,38,39
svetlana [45]

Answer:

Mean is 17

Median is 10.5

Mode is 2

Range is 37

Step-by-step explanation:

<u>Mean is the average:  2 + 2 + 6 + 15 + 38 + 39 = 102 / 6 = 17 MEAN</u>

<u />

<u>Median is the middle:  2, 2, 6, 15, 38, 39</u>

Between 6 and 15 -> 15 - 6 = 9 / 2 = 4.5

6 + 4.5 = 10.5

Median is 10.5

<u>Mode is most common:  </u><u>2, 2</u><u>, 6, 15, 38, 39</u>

<u />

Mode is 2

<u>Range is the difference between the highest and the lowest number:  39 - 2</u>

37

Range is 37

7 0
3 years ago
Read 2 more answers
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