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4 years ago

Answer ASAP Will mar brainiest!

Mathematics

2 answers:

attashe74 [19]4 years ago

5 0

The answer is 290.....,,,

Alex_Xolod [135]4 years ago

4 0

Answer:

A=290

Step-by-step explanation:

A=2(wl+hl+hw)

A=2(5)(5)+(12)(5)+(12(5)

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You are making a rectangular poster to advertise a school fundraiser. You want the poster to be twice as long as it is wide. Let

geniusboy [140]

Well for example if you wanted it to be 60 sq meters then you could do 60/3 which is 20 then the length could be 40 and the width could be 20

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4 years ago

If 1:w is equivalent to 1⅔: 5, find w.

sergij07 [2.7K]

Answer:

w = 3

Step-by-step explanation:

1/w = 1 2/3 / 5 cross multiply

1 2/3 (w) = 5

w = 5 / ( 1 2/3 ) = 5 / ( 5/3) = 15/5 = 3

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2 years ago

Why is it so hard for people to learn math?

ddd [48]

Answer:

I don't know, I kind of wonder the same thing sometimes. But everyone understands things at a different rate, so that's why I'm here helping people by answering their questions and doing my best to explain how I got there.

thank you for the free points though :)

6 0

3 years ago

Read 2 more answers

Are the two parabolas defined below similar or congruent or both? Justify your reasoning. Parabola 1: The parabola with a focus

Dominik [7]

Answer:

They are similar by a factor of 14

Step-by-step explanation:

From the general equation of a parabola opening up (since the directrix is on the y axis and the focus is upwards this line) the focus coordinates are:

$Focus = (h,k+p) = (0,2)$

So h=0 and k+p=2, for the directrix:

$y = k-p=-4$

solving k and p from the two equations above:

$k=-1 and p=3$

So for Parabola 1 the equation would be:

$x^{2} =4*3(y+1)$

For Parabola 2 the general equation is:

$x^{2} =4*(3/2)(y)$

here h=0, k=0, p=3/2 so focus is (0,3/2), directix is y=-3/2, they have the same orientation.

they are not congruent. For them to be similar it must comply:

$x_{1}=k x_{2}\\y_{1}=ky_{2} => (1/12)x_{1} ^{2} -1 = k(1/6)x_{2} ^{2}$

replacing $x_{1}$ and solving for k:

$(1/12)(kx_{2}) ^{2} -1 = k(1/6)x_{2} ^{2}\\ (1/12)k^{2} x_{2}^{2}-1 = k(1/6)x_{2} ^{2}\\k-12 = (12/6)=2\\k = 2+12=14\\$

They are similar by a factor of 14

8 0

3 years ago

Can someone please explain what an outlier is? it keeps popping up in all of my math questions and it is really confusing me...

mars1129 [50]

An outlier is a number that's far away from the rest of your data.

For example, if we look at the numbers 3, 2, 4, 5, 27, and 1, you can likely consider 27 to be an outlier because it's so far away from the rest of the data.

The specific definition of how far something has to be from the rest of the data to be an outlier depends entirely on the situation, but in general: if a number obviously sticks out from the rest, it's probably an outlier.

3 0

2 years ago

Read 2 more answers