4 years ago

Sammy brought 8 more shrimp then kaden when combined their shrimp they had 32 altoghter

Mathematics

1 answer:

algol [13]4 years ago

8 0

Kaden brought 12 sammy brought 20

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If sinA =3/5 and A+B =90 find cosB

-Dominant- [34]

$A+B=90^o\to B=90^o-A\\\\\cos B=\cos(90^o-A)=\cos90^o\cos A+\sin90^o\sin A\\\\=\cos A+1\cdot\dfrac{3}{5}=0+\dfrac{3}{5}=\dfrac{3}{5}\\\\\boxed{\cos B=\dfrac{3}{5}}$

$Used:\\\\\cos(x+y)=\cos x\cos y+\sin x\sin y\\\\\cos90^o=0,\ sin90^o=1$

Other method:

Look at the picture.

$\sin\theta=\dfrac{opposite}{hypotenuse}\\\\\sin A=\dfrac{3}{5}\to opposite=3\ and\ hypotenuse=5$

$\cos\theta=\dfrac{adjacent}{hypotenuse}\\\\adjacent=3\ and\ hypotenuse=5\to\cos B=\dfrac{3}{5}$

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3 years ago

Match the equation with the step needed to solve it.

ziro4ka [17]

To solve this, you need to isolate/get the variable "m" by itself in the equation:

1. 2m - 1 = 3m Subtract 2m on both sides to get "m" on one side of the equation

2m - 2m - 1 = 3m - 2m

-1 = m

2. 2m = 1 + m Subtract m on both sides to get "m" on one side of the equation

2m - m = 1 + m - m

m = 1

3. m - 1 = 2 Add 1 on both sides to get "m" by itself

m - 1 + 1 = 2 + 1

m = 3

4. 2 + m = 3 Subtract 2 on both sides to get "m" by itself

m = 1

5. -2 + m = 1 Add 2 on both sides to get "m" by itself

m = 3

6. 3 = 1 + m Subtract 1 on both sides to get "m" by itself

2 = m

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3 years ago

Raise 12/8 = ?/48 to higher terms

allochka39001 [22]

Let ?=x
12/8= x/48
8x=576
x= 576/8
x= 72
Therefore the higher term fraction is 72/48

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3 years ago

Six more than five times a number X is at least 21

lorasvet [3.4K]

6+5X<21

*********(THE < IS SUPPOSE TO HAVE A LINE UNDER IT)*******

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3 years ago

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ahrayia [7]

You can get two ib of grapes and one of cherry

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3 years ago