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hammer [34]
3 years ago
8

Solve the following quadratic equation 9m2 +9= 11

Mathematics
1 answer:
jeka943 years ago
4 0

Answer: m=

1

3

√2 or m=

−1

3

√2

Step-by-step explanation:

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here are the prices of 5 new bicycles in dollars 25,30,50,77,80. The standard deviation is about $26.If a 6th bike is added to t
Anastaziya [24]

Answer:

The new standard deviation will be greater than $26

Step-by-step explanation:

The new bicycle has a price much larger than the price of the others. In fact it is almost double the price of the other bicycles. It causes a large increase as a result. Also, I took the quiz.

6 0
3 years ago
Find the area of the triangle,
Alenkasestr [34]

Answer:

114.75

Step-by-step explanation:

  • 6x3=18
  • 8x10=80
  • 8.5
  • Add all together, you get = 229.5
  • Divided by 2 you get = 114.75
8 0
2 years ago
1. Is y = -x - 1 quadratic? Explain.
Tpy6a [65]
No because the formula for a quadratic equation is ax^2+bx+c=0
This is a linear equation however.
Hope this helps
4 0
2 years ago
PLZZZZZ NEED HELP!!!!!!
mylen [45]

Remember the rules of Sohcahtoa (Sine, cosine, tangent). For this problem we take the cosine of 38 because the labeled sides are the adjacent leg and the hypotenuse.

Cos(38)=79/x

Cosine of 38 is about 0.7880

0.7880=79/x

Next we multiply both sides by the denominator

(x) 0.7880=79 (x)

Then divide.

<u>0.7880x</u>= <u>79</u>

0.7880 0.7880

X=100.25

Hope this helped :)

5 0
2 years ago
The opposite process rule says to solve for ________. a known variable by replicating the process used to form the original equa
ioda

Answer:

An unknown variable by reversing the process used to form the original equation.

Step-by-step explanation:

The opposite process rule says to solve for - an unknown variable by reversing the process used to form the original equation.

If an equation indicates an operation such as addition, subtraction, multiplication, or division, solve for the unknown variable by using the opposite process.

For example:

Lets say we have to find x+25=35

Here 25 is subtracted from both sides of the equation to isolate x.

x+25-25=35-25

we get x = 10

Check this : 10+25=35

4 0
2 years ago
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