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3 years ago

493 + 327 help me please

Mathematics

1 answer:

77julia77 [94]3 years ago

5 0

Answer:

820 p.s you shouldn't waste your points just google calculator and use it :)

Step-by-step explanation:

493

+327

7+3=1(0) carry the one on the 9

1+9+2=1(2) carry the 1 on the 8

1+4+3=(8)

820

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The price of a share of stock started the day at $37. During the day it went down $3, up $1, down $7 and up $4. What was the pri

Oksana_A [137]

It started at $37.

It went down $3.
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It went down 7.
35 - 7 = 28

It went up 4.
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The price at the end of the day was $32.

4 0

3 years ago

Verify identity list steps. Cot(t)(1-cos^2(t))=cos(t)sin(t)

storchak [24]

Remember: We have to work from either the LHS or the RHS.
(Left hand side or the Right hand side)

You should already know this:

$\huge{Cot(t) = \frac{1}{tan(t)} = \frac{1}{\frac{sin(t)}{cos(t)}} = 1\div \frac{sin(t)}{cos(t)} = 1\times \frac{cos(t)}{sin(t)}=\boxed{\frac{cos(t)}{sin(t)}}$

You should also know this:

$sin^2(t) + cos^2(t) = 1\\\\\boxed{sin^2(t)} = 1 - cos^2(t)$

So plugging in both of those into our identity, we get:

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3 years ago

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erma4kov [3.2K]

Answer:

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SashulF [63]

3d - e = 7d + e = 5 ⇒ 3d - e = 5
7d + e = 5

3d - e = 5
7d + e = 5 +
-----------------------
10d / = 10
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d = 10/10
d = 1

7d + e = 5
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4 years ago

Find the perimeter of the given triangle

trasher [3.6K]

Here it is given that the triangles ABP and DCR are similars, therefore we use the ratio rule which states that

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Correct option is A.

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3 years ago