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koban [17]
3 years ago
15

Solve for x in the equation x^2-12+36=90

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
5 0
X^2-12+36=90
(x-6)^2=90
x-6= sqrt of 90
x-6= +- 3 sqrt of 10
x = 6 +- 3 sqrt of 10 
          
trapecia [35]3 years ago
4 0

Answer: 8.124

Step-by-step explanation:

x^2 - 12 + 36 = 90

x^2 + 24 = 90

subtract 24 from bothside

x^2 + 24 - 24 = 90 - 24

x^2 = 66

Take the square root of bothside

x = √66

x=8.124

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Inessa [10]

Answer:

999

Step-by-step explanation:

JuiceWRLD

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3 years ago
Fatore a expressão algébrica a seguir:<br><br> 20x³ y³ + 10x² y² + 2xy
meriva

Answer:

32 {x}^{6}  {y}^{6}

7 0
3 years ago
8.6.PS-14
s2008m [1.1K]

Answer:

Answer:

11 feet

Step-by-step explanation:

Area formed by the watery pattern is 379.94 square feet.

Since the water is being sent out in circular pattern, the maximum distance at which the water is reaching out will be equal to the radius of the circle as the sprinkler is at the center of the circle.

Area of a circle is given as:

\begin{gathered}Area=\pi r^{2}\\\\ 379.94 = \pi r^{2}\\\\r^{2}=\frac{379.94}{\pi}\\\\ \text{Using pi equal to 3.14, we get}\\\\ r^{2}=121\\\\ r = 11\end{gathered}

Area=πr

2

379.94=πr

2

r

2

=

π

379.94

Using pi equal to 3.14, we get

r

2

=121

r=11

This means the radius of the circular pattern being formed is 11 feet. So the sprinkler can spread the water 11 feet away from it.

Step-by-step explanation:

im not sure if that is correct

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3 0
3 years ago
A watering can dispenses water at the rate of 0.3 gallon per minute. The original volume of water in the can was 7 gallons. Whic
Rudiy27

Answer:

A. {(1, 6.7), (2, 6.4), (3, 6.1)}

Step-by-step explanation:

The watering can dispenses water at a rate of 0.3 gallon per minute and the original volume of water in the can was 7 gallons.

Let y represent the volume of water in the can in gallons

Let x represent time in minutes

f(x) = y = 7 – 0.3(x)

When x = 1,

y = 7 – 0.3(1)

= 7 – 0.3

= 6.7

The pair will be (1, 6.7)

When x = 2,

y = 7 – 0.3(2)

= 7 – 0.6

= 6.4

The pair will be (2, 6.4)

When x = 3,

y = 7 – 0.3(3)

= 7 – 0.9

= 6.1

The pair will be (3, 6.1)

The set of ordered pairs shows the volume of water in the can in gallons (y) as a function of time in minutes (x) from the first minute after the can starts dispensing water is {(1, 6.7), (2, 6.4), (3, 6.1)}  

4 0
3 years ago
What do you pay in tax for a pair of jeans that are priced $50.00 if there is 7% sales tax
NeX [460]

Answer:

I think the answer is $3.50, but I am not sure. Just doing quick math over here :)

7 0
3 years ago
Read 2 more answers
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