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kicyunya [14]
2 years ago
13

PLZ HELP ASAP! Tysm!

Mathematics
1 answer:
Zanzabum2 years ago
4 0
This is the answer hope it helps

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Solve the following equation algebraically:
Gre4nikov [31]

Answer:

\boxed{\sf \ \ \ answer \ b. \ \ +5 \ \ \ }

Step-by-step explanation:

Hello

let's assume that we are looking for x >=0

4x^2=100  \dfrac{4x^2}{4}=x^2=\dfrac{100}{4}=25\\\sqrt{x^2}=25\\ |x| = 5  x = 5 \ or \ x=-5

Let's assume that we are looking for x>=0

so the correct answer is 5

8 0
3 years ago
20 points!! I need help
zaharov [31]

Answer:

11.33 * 16.33 meters to the nearest hundredth.

Step-by-step explanation:

Let the width of the pool be x meters, then the length is x+5 meters.

The length of whole area = x + 5 + 2(3)  = x + 11 meters and the width is

x + 2(3) = x + 6 meters.

So we have the equation (x + 6)(x + 11) = 387.

x^2 + 17x + 66 = 387

x^2 + 17x - 321 = 0

x =  [-17 +/- sqrt (17^2 - 4*1*-321)] / 2

x = 11.33 meters

So the width is 11.3 m and the length is 16.33 meters.

4 0
3 years ago
Liam Had 250. Then, he and his classmate buy present for their teacher, evenly splitting the P cost among the 24 of them. How mu
tamaranim1 [39]
If it was just the splitting It would be
Let L be the amount he has left
L= 250-( P/24 )
8 0
3 years ago
7. Evaluate square root 64. 121.
qaws [65]

Answer:

88

Step-by-step explanation:

\sqrt{(64)(121)}\\\sqrt{64} \sqrt{121}  \\(8)(11)\\88

7 0
3 years ago
Maria started the year with $235 in the bank and is saving $15 a week. Sergio started with $685 and is spending $35 a week. When
inessss [21]

Answer:

9 weeks

Step-by-step explanation:

let the time when they will both have the same amount be x

since Maria is saving then her money is bound to increase

therefore amount she will have after x weeks=235+15x

Sergio is spending so his money is reducing

therefore amount he will have after x weeks=

685-35x

so

235+15x=685-35x

685-235=15x+35x

450=50x

x= 450/50

9weeks

5 0
1 year ago
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