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amid [387]
2 years ago
6

Hayden has 7 shells . Elly has 5 fewer shells than Hayden . Beth has 2 shells . How many shells do they have in all?

Mathematics
1 answer:
sleet_krkn [62]2 years ago
5 0

Answer:

11 i think

Step-by-step explanation:

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I really am confused on how to write a proof.
kvasek [131]

Since ABCD is a parallelogram, the opposite sides will be parallel and equal,

\begin{gathered} AB=CD \\ BC=AD \end{gathered}

Consider that AC acts as a transversal to the parallel lines AB and CD, so we can write,

\begin{gathered} \angle CAD=\angle ACB\text{ (Alternate Interior Angles)} \\ BC=AD\text{ (Opposite sides of parallelogram)} \\ \angle ADB=\angle CBD\text{ (Alternate Interior Angles)} \end{gathered}

So by the ASA criteria, the triangle AED is congruent to the triangle CEB,

Then the corresponding parts of the triangles will be equal,

\begin{gathered} AE=CE \\ BE=DE \end{gathered}

Hence Proved.

8 0
1 year ago
On an average day, 105 books are published in the United States. About how many books would be published in the month of Februar
zvonat [6]
About 3,000 books because 105 * 28 = 2940
and 2940 rounded to the nearest thousand is 3000. Hope this helps.
3 0
3 years ago
Read 2 more answers
The perimeter of an equilateral triangle is p and the length of a side is s.
kompoz [17]

Answer:

s=7

p=3s

Step-by-step explanation:

The perimeter is the side length times 3

So the equation would be p=3s

Plug in 21 for p

21=3s

That means s=7

8 0
2 years ago
Using the greatest common factor for the terms, how can you write 56 + 32 as a product?
11Alexandr11 [23.1K]
56 + 32 = (8 x 7) + (8 x 4) = 8(7 + 4) (Answer C)


6 0
3 years ago
Round 4,752 all the way
Flura [38]
Nearest 10: 4750 
<span>Nearest 100: 4800 </span>
<span>Nearest 1000: 5000 </span>
<span>Nearest 10000: 0</span>
8 0
2 years ago
Read 2 more answers
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