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1 year ago

If x=|9|what are the possible values of x?

Mathematics

1 answer:

klio [65]1 year ago

3 0

Answer:

Step-by-step explanation:

the absolute value function always delivers only the positive value of anything inside the absolute function.

therefore, x is 9 and only 9.

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Consider the quadratic equation 3x^2-6=2x. (a) What is the value of the discriminant? (b) What does the discriminant of the quad

aleksley [76]

Answer:

(a) discriminant is positive, 76

(b) the above tells you there are two real roots

Step-by-step explanation:

the discriminant is 'b² - 4ac'

3x² - 2x - 6 = 0 ∴ a = 3, b = -2, c = -6

(-2)² - 4(3)(-6) = 4 + 72

5 0

2 years ago

What is 4/7 of 210? please tell me I need to KNOW!!!!!. Please write your answer in simplest form

Anton [14]

It is 120 because you have to divide 210 by 7 which is 30 then multiply by 4 so 30 x 4 = 120.

3 0

3 years ago

Read 2 more answers

Solve 9x - 7 = -7 please answer

lawyer [7]

It would be zero bc, 9x-7=-7 you do KCF Change the sign to addition so -7+7=0 now you divide 0 divided by 9=0. Hope this helps

4 0

2 years ago

What is the y intercept y=-4x-5

xxTIMURxx [149]

Answer:

The y-intercept y = 4x - 5 is (0,-5).

Step-by-step explanation:

hope this helps

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6 0

2 years ago

Ateacher uses 36 centimeters of tape to hang up 9 student projects. At that rate

Troyanec [42]

The teacher would need 40 centimeters of tape to hang 10 student projects.

Step-by-step explanation:

Given,

Tape used to hang projects = 36 centimeters

Number of projects hanged = 9

We will find unit rate;

9 projects = 36 centimeters

1 project = $\frac{36}{9}\ centimeters$

1 project = 4 centimeters

Therefore,

Tape needed to hang 10 projects = 4*10 = 40 centimeters

The teacher would need 40 centimeters of tape to hang 10 student projects.

Keywords: unit rate, multiplication

Learn more about unit rate at:

#LearnwithBrainly

3 0

2 years ago