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Norma-Jean [14]
3 years ago
15

pleas help on the second ASAP it was due yesterday.. i dont even understand how to do any of it and i will give brainliest <3

Mathematics
2 answers:
kaheart [24]3 years ago
7 0

Answer:

The answer is 3x^4

Step-by-step explanation:

aliya0001 [1]3 years ago
6 0

Answer:

3x^{4}

Step-by-step explanation:

I suggest looking lessons on it online if you don't understand... It's hard to do your work especially if you don't understand it. Or if your online, go to past lessons or something.

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Factor 1/10 out of 1/10x+9/10
notka56 [123]

Answer:

0.800

Step-by-step explanation:

6 0
3 years ago
A group of engineers is building a parabolic satellite dish whose shape will be formed by rotating the curve y=ax 2 about the y-
Setler79 [48]

Answer:

a = \frac{1}{2}. Surface Area = \frac{4}{3}ft^{2}. and area of the Dish = \frac{4}{3}ft^{2}+pi4^{2} = \frac{4}{3}ft^{2}+50.27=51.6ft^{2}

Step-by-step explanation:

(1) Constant. y(x) = ax^{2} that is the curve that we need to rotate around the y axis to get the parabola with diameter of 8 feet and 2 meter depth that statement is translated in mathematics as x = -4 to 4 and y = 0 to 2.

y max = 2, x max = 4 setting up a equation with a unknown gives

2=a4 and  a = \frac{1}{2}.

so we have now.

y(x) = \frac{1}{2}x^{2} (Done with solving for a Constant).

(2) Surface Area.

Setting Up surface integral.

(i) range in x = 0 to 4.

(ii) range in y = 0 to 2.

integral is.

Integral(0-2)[{integral[(0-4)\frac{1}{32}x^{2}]}]dy

Evaluating this integral gives. \frac{4}{3}ft^{2}.

and area is surface area + area of the circle with 8ft diameter.

= \frac{4}{3}ft^{2}+pi4^{2} = \frac{4}{3}ft^{2}+50.27=51.6ft^{2}...

Note the Difference between area and aurface area.!

6 0
3 years ago
Rewrite this percent as a decimal:<br> 80%
ella [17]

Answer:

.80

or

0.80

Step-by-step explanation:

80 is out of 100, which is other words is .80 or 0.80

6 0
3 years ago
I am really in hurry can anyone help me please
eimsori [14]

Answer:

This is your answer ☺️☺️☺️

6 0
3 years ago
A pediatricians office tracks the age (in months) in which 25 babies begin to walk. Use the dot plot at the right to answer the
OLEGan [10]

Answer:

A pediatricians office tracks the age (in months) in which 25 babies begin to walk

3 0
2 years ago
Read 2 more answers
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