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Kruka [31]
3 years ago
11

The formula for glue says add 45 mL of Hardner to each container of resin how much Hardner should be added to 18 containers of r

esin
Mathematics
1 answer:
Luden [163]3 years ago
7 0

Answer:

810 mL of hardener

Step-by-step explanation:

You need 45 mL of hardener for each container and you have 18 containers so:

45 x 18 = 810 mL

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<img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx-3%7D%7Bx%2B2%7D%20%3D%5Cfrac%7B1%7D%7B5%7D" id="TexFormula1" title="\frac{x-3}{x+2
Shkiper50 [21]

Answer:

x=17/4

Step-by-step explanation:

(x-3)/(x+2)=1/5

cross product

1(x+2)=5(x-3)

x+2=5x-15

5x-x-15=2

4x-15=2

4x=2+15

4x=17

x=17/4

3 0
3 years ago
A gas company charges $0.4544 for each therm used. A home used 39.3 therms in a month. How much will the gas company charge that
podryga [215]

Answer:

$17.85792

Step-by-step explanation:

$0.4544 x 39.3 = $17.85792

7 0
2 years ago
A) 6, 8, 12, 20, 36, 68,?
egoroff_w [7]

Answer:

numbers

Step-by-step explanation:

8 0
2 years ago
1) Bob weighed 200 lbs, but after dieting for 6 months, he weighed 170 lbs.
aivan3 [116]

Answer: 15%

Step-by-step explanation:

The Percentage decrease will be:

= Decrease in weight / Old weight × 100

= (200 - 170) / 200 × 100

= 30/200 × 100

= 15%

The Percentage decrease is 15%

7 0
2 years ago
Amanda leaned a 15-foot ladder against the top of her house so she could get on the roof, which is 12 feet from the ground.
valentinak56 [21]

If you're trying to find the missing side of the "triangle" (the distance from the house to where the ladder touches the ground), you would use the pythagorean theorem, a²+b²=c². (c is always hypotenuse)

a²+b²=c²

12²+b²=15²

144+b²=225

b²=81

√b²=√81

b=9


8 0
3 years ago
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