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Liula [17]
3 years ago
15

7. A seed company planted a floral mosaic

Mathematics
1 answer:
jenyasd209 [6]3 years ago
7 0

Answer:

w = 160, L = 50

Step-by-step explanation:

Length = 50 feet

Width = 160 feet

First Find the Length

w = l + 110

P=2w+2l

420=2w+2l

420=2(l+110)+2l

420=2l+220+2l

4l=200

l=50

Finding the Width

w=(50)+110

w=160

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ddd [48]
f(x)=5x^2-3\\\\\\
f(x+a)=5(x+a)^2-3=5(x^2+2ax+a^2)-3=\\\\=\boxed{5x^2+10ax+5a^2-3}

On the other hand:

f(x+a)=5x^2+30x+42

so:

10ax=30x\\\\10a=30\qquad|:10\\\\\boxed{a=3}

Answer C.
8 0
3 years ago
A standard deck of cards has 52 cards. If you draw one card at a time from the deck, without replacement, how many different way
oksano4ka [1.4K]

Answer:

52! ≈ 8.0658 x 10^67  

Step-by-step explanation:

52 card options for the first card

51 card options for the second

50 card options for the third

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2 options for the 51st card

1 option for the 52nd card

52!

The earth is about 4 billion years old. It would require 126,230,400,000,000,000 copies of earth dealing one deck per second for 4 billion years to deal the whole set.

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3 years ago
13. Here is one way Maleka proved that 2(5 + 2) + 2s is equivalent to
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Malaria proved that the equation you need to add the parenthesis first
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The length of a rectangle is 3 m less than double the width, and the area of the rectangle is 65 m2 . find the dimensions of the
kirill115 [55]
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4 years ago
Help please, I’m confused and could you please explain the best you can do I understand? Thank you so much if you decide to help
ElenaW [278]

A ray is basically a line that has a "fixed point" on one end (this would be represented by a shaded circle on one end) and the opposite end goes to infinity (this would be represented by an arrow). The first image below is an example of a ray.

When writing rays out you must write it like in the third image below. Note that there is a "ray" on top of the "letters". The letter that signifies the end point (In the example below this would be "A") is under the side that has NO arrow symbol, and the letter that signifies the continues end is under the side of the ray that HAS the arrow. In other words the "formula" for writing out rays is:

End point; infinite end

We must find four rays with the endpoint E. This means that the "fixed point" must be E and the other end must continue indefinitely.

In the second image below I have colored each ray with the end point E in a different color.

First we have the ray EA (I don't know how to make the ray symbol on here so just assume that above EA the arrow looks like so: --->)

Next is ray EG (again the symbol above EG is --->)

Next is the ray ED (symbol above ED is --->)

Finally EF is a ray with the end point E (symbol above EF is --->)

When looking at the answer choices the only two that even use the correct symbol is B and C.

The issue with option C is that the end point (E) doesn't come first when they wrote it out.

That makes the answer B!

Hope this helped!

~Just a girl in love with Shawn Mendes

~Just a girl in love with Shawn Mendes

4 0
3 years ago
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