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Fittoniya [83]
2 years ago
11

Mark did 2/5 of a job and Alan did 1/3 of the remainder. The fraction of the job left undone

Mathematics
1 answer:
Evgesh-ka [11]2 years ago
4 0
2/5=4/10=12/30 1/3=10/30 12/30+10/30=22/30 22/30=11/15
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Find the missing value for the parallelogram
jeka57 [31]

Answer:

y = 85°

z = 35°

x = 60°

Step-by-step explanation:

y) 180 - 120 = 60, therefore:

180 - (35 + 60)

=> <u>y = 85</u>

z)

=> <u>z = 35</u>

x)

180 - (35 + 85)

=> <u>x = 60</u>

Hope this helps!

3 0
2 years ago
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In the video at the beginning of the lesson, how many 2-topping pizza combinations were there if there were 7 toppings to choose
elena-s [515]

Answer:

3 or 3 and 1/2

Step-by-step explanation:

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8 0
2 years ago
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What does x equal x + 3 ≤ –5 + 2x
Anna [14]
X+3≤ -5+2x

Add 5 to the other side. (the inverse of subtraction, since 5 is negative)

x+8≤2x

Subtract x on both sides. 

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I hope this helps!
~kaikers
8 0
3 years ago
What is P(4 ≤ X ≤ 6)? Explain. <br> If P(X ≤ a) = 0.2, what is a? Explain.
melamori03 [73]

Answer:

(a) 0.4

(b) a = 3

Step-by-step explanation:

(a) The area under the curve from x=4 to x=6 is 0.2 units high and 2 units wide, so is 0.2·2 = 0.4. (The area of a rectangle is the product of length and width.)

(b) The area is 0.2 and the height of the curve is 0.2, so the width of the region of concern is 0.2/0.2 = 1. (Again, area = height·width, or width = area/height.) 1 unit from the left end is found at X=3, so a = 3.

4 0
2 years ago
21 is 2% of what number?
Sonbull [250]
21/2%=
21/0.02=
1,050
21 is 2% of 1,050
Check:
1,050*2%=
1,050*0.02=
21
5 0
2 years ago
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