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Natasha_Volkova [10]
3 years ago
11

Help me on question 4 pls

Mathematics
1 answer:
sp2606 [1]3 years ago
7 0

Answer:

d. 266cm^2

Step-by-step explanation:

SA=2lw+2lh+2hw

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A farmer had twice as many chickens as ducks on his farm. After he sold 166 chickens and ducks, he had half as many chickens as
mamaluj [8]

Answer:

The farmer have at first <u>202</u> chickens.

Step-by-step explanation:

Given:

A farmer had twice as many chickens as ducks on his farm. After he sold 166 chickens and ducks, he had half as many chickens as ducks left.

Now, to find the chickens farmer have at first.

Let the chickens be x.

And, the ducks be y.

<em>As, the farmer had twice as many chickens as ducks on his farm.</em>

So, x=2y    ......(1)

<em>As, given the farmer after selling 166 chickens and ducks, he had half as many chickens as ducks left.</em>

According to question:

x-166=(y-29)\times \frac{1}{2}

x-166=\frac{y-29}{2}

Substituting the value of x from equation (1) we get:

2y-166=\frac{y-29}{2}

<em>By cross multiplying we get:</em>

4y-332=y-29

<em>Adding both sides 332 we get:</em>

4y=y+303

<em>Subtracting both sides by </em>y<em> we get:</em>

3y=303

<em>Dividing both sides by 3 we get:</em>

y=101.

Now, to get the number of chickens substituting the value of y in equation (1):

x=2y\\\\x=2\times 101\\\\x=202.

Therefore, the farmer have at first 202 chickens.

7 0
3 years ago
Find the lowest common multiple (LCM) of 15 and 30.<br><br>A) 5<br>B) 15<br>C)30<br>D)60​
12345 [234]

Answer:

L.C.M of 15 and 30 is 30.

7 0
3 years ago
The product of 4 and z is greater than or equal to 7.
rewona [7]
4z ≥ 7
divide seven by four
z ≥ 1.75
or, if you need it in fraction form, it would be
z ≥ 7/4
6 0
3 years ago
Given h(x)=5x-2, find h(5)
Tomtit [17]

Answer:

h(5)=23

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
HELP HELP HELP HELP PLEASE
stepladder [879]
About 348 hours. Hope this helps you out!
3 0
3 years ago
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