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MakcuM [25]
2 years ago
7

1 pol

Mathematics
1 answer:
BigorU [14]2 years ago
8 0
In 3 hours, they could bake 87 birthday cupcakes. If you divid 145 by 5 this gives you 29, and you multiply this by 3 to find how many can be made in 3 hours, which gives you 87:) hope this helps!
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Solve the equation. 2x squared-3x+1=0
natali 33 [55]

2x^2-3x+1=0\\\\2x^2-2x-x+1=0\\\\2x(x-1)-1(x-1)=0\\\\(x-1)(2x-1)=0\iff x-1=0\ \vee\ 2x-1=0\ \ \ \ |+1\\\\x=1\ \vee\ 2x=1\ \ \ |:2\\\\\boxed{x=1\ \vee\ x=0.5}

4 0
3 years ago
One kind of bacteria in a laboratory culture triples every 30 minutes. Suppose the culture is started with 20 bacteria cells. Ho
IgorC [24]

Answer:

2 hours = 4 * 30 minutes

30 * 3 = 90

90 * 3 = 270

270 * 3 = 810

810 * 3 = 2430

So after 2 hours you will have 2430 bacteria cells.

Step-by-step explanation:

3 0
3 years ago
Can someone help me seriously
charle [14.2K]

45 × 30 ÷ 100 = 13.5

thats all

5 0
3 years ago
An item costs $360 before tax, and the sales tax is
Dvinal [7]
360x=10.8
3600x=108
x=1.08/3600
x=.03
3%
The sales tax rate is 3%
6 0
2 years ago
H(x) = x^2 - 4 - x<br> g(x) = 3x - 2<br> Find h(x) division sign g(x)
Inessa05 [86]

Answer:

g(x)=x

4

+3x

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−x

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−3x

Step-by-step explanation:

6 0
2 years ago
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