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xenn [34]
3 years ago
11

Y = -2x^2 - 6 y = -(x-3)^2 + 8 solve the equation

Mathematics
1 answer:
Lady_Fox [76]3 years ago
6 0
I hope this helps you

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Un carpintero quiere cortar una plancha de triple y de 1m de largo y 60 cm de ancho, en cuadrados lo más grandes posibles. El ca
Ugo [173]

Answer: 20\ cm

Step-by-step explanation:

The first step to solve the exercise is to make the conversion from meters to centimeters.

Since 1\ m=100\ cm, then the dimensions of the wood board in centimeters are:

Lenght=100\ cm\\\\Width=60\ cm

Now, you must find the Greatest Common Factor (GCF). The steps are:

- Descompose 100 and 60 into their prime factors:

100=2*2*5*5=2^2*5^2\\60=2*2*3*5=2^2*3*5

- Multiply the commons with the lowest exponents:

GCF=2^2*5\\\\GCF=4*5\\\\GCF=20

Therefore, the side lenght of each square must be:

s=20\ cm

7 0
3 years ago
What is 1/10th of 2,871,000?
abruzzese [7]
This is fairly simple. Divide 2,871,000 by 10 and that's your answer!

\frac{2,871,000}{10} =287,100

Also, since you're dividing by a factor of 10 (or in this case, <em>10</em>) you can just take away as many places as are zeros in the number you're dividing from. This works for <em>10, 100, 1,000, 10,000, etc. </em>In this case, since there is only one zero in 10 you only take away one place marking, which gives you 287,100.
7 0
3 years ago
Solution for 18-3.8t=7.36-1.98
ohaa [14]

\text{Hello there!}\\\\\text{Solve for t:}\\\\18-3.8t=7.36-1.98\\\\18-3.8t=5.38\\\\\text{Subtract 18 from both sides}\\\\-3.8t=-12.62\\\\\text{Divide both sides by -3.8}\\\\t=3.321053\\\\\text{Round to the nearest hundredths}\\\\\boxed{t=3.32}

3 0
3 years ago
The girls and boys' basketball teams sponsored a car wash that made $109. There were twice as many girls as
V125BC [204]

Answer:

Boys - 36$ 33 cents

Girls - 72$ 67 cents

Step-by-step explanation:

Boys x

Girls 2x

Total 109

2x+x=109

3x=109/:3

X=36,3333

Boys x =36$ 33c

Girls 2x= 72,666= 72$ 67c

7 0
3 years ago
1. Which of the following sets of numbers could represent the lengths of the sides of an acute triangle?
statuscvo [17]

Answer:

C

Step-by-step explanation:

That would be an isosceles triangle, therefore, acute. All angles measure 60, therefore being acute. I'm not 100% sure though.

7 0
3 years ago
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