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aivan3 [116]
3 years ago
8

Factorize 8(a+b)^2-6(a+b)-9​

Mathematics
1 answer:
MAVERICK [17]3 years ago
5 0

Answer:

(

4

a

+

4

b

+

3

)

(

2

a

+

2

b

−

3

)

Step-by-step explanation:

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Roberta grows pea plants, some in shade and some in sun. She picks 8 plants of each type at random and records the heights. Shad
natita [175]

Answer: 2.6

Step-by-step explanation:

Step 1: Calculate the mean of Shade's plant heights.

= 7+12+12+8+9+8+8+8/8

= 72/8

=9

Step 2: Calculate the range of Shade's plant heights. Range is highest minus lowest number. This will be:

12 - 7 = 5

Step 3: Calculate the mean of Sun plant heights.

19+24+20+23+24+23+23+20/8

= 176/8

= 22

Step 4: Find the range of Sun plants height.

= 24 - 19 = 5

Step 5: Find the difference of means

= 22 - 9

= 13

Step 6: Divide the difference of means by the range.

= 13 ÷ 5

= 2.6

8 0
3 years ago
If Ill m, solve for x.<br> 104°<br> (12x-8) <br> X =
Vadim26 [7]

Answer:

x=7

Step-by-step explanation:

12x-8+104=180

12x=84

x=12

4 0
3 years ago
Read 2 more answers
Please solve!!<br> Will name Brainliest!
frosja888 [35]

Answer:

See screenshot for graph and points - This is <em>not</em> a function because it fails the vertical line test.

Step-by-step explanation:

The vertical line test means that if you can draw a vertical line anywhere on the graph and it hits more than one part of the graph, then it isn't a function.

7 0
3 years ago
Which equation represents the situation: The number s of students in the classroom increased by 2 equals 20?
Serga [27]

Answer:

S+2=20

Step-by-step explanation:

S+2=20 is basically putting this entire problem into numbers. Hope this helps

5 0
3 years ago
Help Please?
Studentka2010 [4]

Answer: 40 students

Step-by-step explanation:
50x4 = 200 students

10x4 = 40 students who chose red.


You can check your work by dividing 4 by 200 and 40 by 4.

6 0
2 years ago
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