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ryzh [129]
3 years ago
6

Solve the quadratic equation.

la1" title="4 {x}^{2} - 9 = 0" alt="4 {x}^{2} - 9 = 0" align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
Keith_Richards [23]3 years ago
8 0
X=3/2,3/2 is the answer
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Any one help please
zvonat [6]

Answer:

1: male + female \leq 30

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Step-by-step explanation:

8 0
3 years ago
In a pen of goats and chickens, there are 40 heads and 150 feet. How many goats and chickens are in the pen?
s2008m [1.1K]

Hey there!!

A chicken has 1 head and 2 feet . A goat has 1 head and 4 feet

For heads, total = 40

Let us take the number of chickens as ' x ' and goats as ' y '

x + y = 40 ------------- ( 1 )

2x + 4y = 150 ----------- ( 2 )

Multiply the first equation with 2

2x + 2y = 80

2x + 4y = 150

Subtract the first equation from the first

2y = 70

y = 35

Number of goats = 35

substitute this in other equation

x + y = 40

x + 35 = 40

x = 5

Number of chickens are 4

Hope it helps!

6 0
3 years ago
In a cirde, what does the ratio A/^2 represent?
inna [77]

Answer:

D.pi

Step-by-step explanation:

Because it’s pi

4 0
3 years ago
A line is drawn on a coordinate grid by the equation y = 4. Which of the following lines would represent a row parallel to it?
dedylja [7]
Y = and then any number you want to put there
8 0
3 years ago
Read 2 more answers
What is 6 3/4 x 3/5<br><br> A) 54/20<br><br> B) 75/12<br><br> C) 81/20<br><br> D) 9/4
steposvetlana [31]
The answer you are looking for is C my friend
8 0
3 years ago
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