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dem82 [27]
3 years ago
9

Please Solve; -1/4(-20b+8)

Mathematics
1 answer:
balu736 [363]3 years ago
5 0
Try putting in..... 5b-2
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A truck can travel 1200 miles on 80 gallons of gasoline. how far can it travel on 240 gallons of gasoline ? Show your work
pogonyaev

Answer:

3600 miles on 240 gal

Step-by-step explanation:

80 gal can go 1200

160 gal can go 2400

240 gal can go 3600

7 0
2 years ago
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Please solve this quadratic equation:<br>3^2x -9 =0​
Basile [38]

Answer:

{3}^{2} x - 9 = 0 \\ 9x = 9 \\ x = 1

4 0
2 years ago
Fred bought six dozen eggs at the grocery store to bake some cakes. How many eggs did Fred buy?
Varvara68 [4.7K]

Answer:

72 eggs

Step-by-step explanation:

1 dozen=12

6 dozen=12*6=72

6 0
3 years ago
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Simplify complex fraction 3/4 + 1/3/1/6 + 3/4
Arturiano [62]
= (3/4 + 1/3)/(1/6 + 3/4)
= (3/4 + 1/3)/(1/6 + 3/4)
 Multiply numerator and denoiminator by 12
=12(3/4+1/3) / 12(1/6 + 3/4)
= (3*3 + 1*4) / (2 + 3*3)
= 13/11
6 0
3 years ago
3. A wildlife refuge in South America has howler monkeys and spider monkeys. A biologist working there randomly selected eight a
Aneli [31]
Given:

<span>howler monkey: {15, 16, 17, 17, 17, 17, 18, 19}
</span><span>spider monkey: {12, 13, 13, 14, 14, 14, 16, 16}

The mean of the first set (howler monkey) = (15 + 16 + 17 + 17 + 17 +17 + 18 + 19)/ 8 
The sum of all weights is divided by the number of monkeys weighed (n = 8)

mean = 17

Do the same for the second set (spider monkey) = 12+ 13 + 13+ 14 + 14+ 14 +14 +16 + 16 / 8

mean = 15.75

The ratio of the two is 17:15.75 or 1.08 is to 1. </span>
3 0
3 years ago
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