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olga2289 [7]
3 years ago
13

-24 = -3w +21 what is w?

Mathematics
1 answer:
yuradex [85]3 years ago
7 0

Answer:

w=15

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 I am 86 in 2067, what year was I born in?
joja [24]
You do 2067 - 86 = 1981 :)
8 0
3 years ago
What’s the value of x
adoni [48]

Answer:

16

Step-by-step explanation:

This is due to the rule that all shapes exterior angles add to 360.

Therefore 360 = 46 + 3x +62 + 4x + 47 + (180-83)

360 = 248 + 7x

7x = 112

x= 16

6 0
3 years ago
If f(x)=1/x and g(x)=3x^2 what is f(g(x))
nika2105 [10]

Answer:

f(g(x))=\frac{1}{3x^2}

Step-by-step explanation:

f(g(x))\quad \textnormal{means put}\quad g \quad\textnormal{in to}\quad f

\therefore f(g(x))=\frac{1}{3x^2}

7 0
3 years ago
The area of a right triangle is 12 cm2. Which of the following could be the lengths of the legs of the triangle?
GalinKa [24]

Answer:

6 and 4

Step-by-step explanation: since it is "cm2" it means it was already halved. This means that the answer was originally 24, 6x4 is the only one that equals 24.

4 0
3 years ago
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