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liubo4ka [24]
2 years ago
15

Mr. Smith collected 200 eggs from his chickens on Saturday. When he sorted the eggs by their sizes, he found out tha 60% of the

eggs are extra-large. How many extra-large eggs did Mr. Smith collect from his chickens? need help ASAP pls
Mathematics
1 answer:
Bond [772]2 years ago
6 0

Answer: 120

Step-by-step explanation:

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−4x+7y=20<br> y=3x+15<br> ​Solve the system of equations.
Dmitry_Shevchenko [17]

Answer:

(x, y)=(-5, 0)

5 0
3 years ago
Prove that if sin (2 + y) = 3 sin (x - y), then tan x = 2 tany.
nignag [31]

Answer:

The proof is given below.

Step-by-step explanation:

Given: ( the correct question and ans is as follow )

sin (x + y) = 3sin ( x - y)

To Prove

tan x = 2 tan y

Proof:

\sin (x+y) = 3\sin (x-y)

Using the identities

\sin (A+B) = \sin A.\cos B + \cos A.\sin B\\and\\\sin (A-B) = \sin A.\cos B - \cos A.\sin B\\

we get

\sin x.\cos y + \cos x.\sin y = 3(\sin x.\cos y - \cos x.\sin y)\\\sin x.\cos y + \cos x.\sin y = 3\sin x.\cos y - 3\cos x.\sin y

Now we will take sin x . cos y to the left hand side and cos x . sin y to the right hand side,we get

3\sin x.\cos y - \sin x.\cos y = 3\cos x.\sin y +\cos x.\sin y\\2\sin x.\cos y =4\cos x.\sin y\\\sin x.\cos y =2\cos x.\sin y \ \textrm{4 divide by 2}\\ \frac{\sin x}{\cos x} =2\times \frac{\sin y}{\cos y} \\\textrm{we know identity }\\\frac{\sin x}{\cos x} = \tan x\\\frac{\sin y}{\cos y} = \tan y\\\therefore \tan x = 2\tan y\ ...............{PROVED}

7 0
3 years ago
Can someone help please? this is due soon :( <br><br> ill give brainliest for the correct answer. :)
shtirl [24]
Answer is B
hope this helps
5 0
3 years ago
Read 2 more answers
There are 20 packages of beef in a restaurant freezer. The average weight of 14 of the packages is 2 lb. The remaining packages
Shtirlitz [24]
I belive that the answer is about 180 lb.
3 0
3 years ago
Read 2 more answers
Find the missing numerator that will make the rational expressions equivalent.
Tomtit [17]

The missing numerator that will make the rational expressions equivalent is (82x + 7) / (12x + 42)

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Let y represent the missing numerator, hence:

82x + 7 = y * 6(2x+7)

82x + 7 = y * (12x + 42)

y = (82x + 7) / (12x + 42)

Find out more on equation at: brainly.com/question/2972832

6 0
2 years ago
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