3 years ago

Please I need help !!

Mathematics

2 answers:

kicyunya [14]3 years ago

6 0

Answer:

y = -1x + 1

Step-by-step explanation:

Effectus [21]3 years ago

4 0

Answer:

y = -1x + 1

Step-by-step explanation:

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PLEASE SOLVE FOR X WITH A SHORT STEP BY STEP

valkas [14]

Answer: 90 - 15-57 = 18 18 is your answer hope this helped

Step-by-step explanation: plz make brainly

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3 years ago

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Vivi is a drummer for a band. She burns 756756756 calories while drumming for 333 hours. She burns the same number of calories e

Blizzard [7]

Answer:

its 252 calories per hour

Step-by-step explanation:

I divided 756 by 3 to find the answer

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3 years ago

A. 3/22 <br> B. 3/7<br> C. 8/15<br> D. 8/11

lorasvet [3.4K]

P(Q|R) = P(Q&R)/P(R)
= (3/37)/(7/37)
= 3/7

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3 years ago

Help plz it’s math number 9

Katarina [22]

#9)
|360 - 380| = |-20| = 20

answer
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5 0

3 years ago

The function Q(x)=2x^2-kx+18. For what value of k does Q(x) have one distinct real solution? (NEEDS TO BE DONE WITHIN 2 HOURS!)

Aliun [14]

Answer:

k = 12

Step-by-step explanation:

Given:

The equation $Q(x)=2x^2-kx+18$

To find:

Value of $k = ?$ for which the given equation has one distinct real solution.

Solution:

The given equation is a quadratic equation.

There are always two solutions of a quadratic equation.

For the equation: $ax^{2} +bx+c=0$ to have one distinct solution:

$b^2 - 4ac = 0$

Here,

a = 2,

b = -k and

c = 18

Putting the values, we get:

$(-k)^2 - 4\times 2\times 18 = 0\\\Rightarrow k^2 = 18\times 8\\\Rightarrow k^2 =144\\\Rightarrow k = 12$

The equation becomes:

$Q(x)=2x^2-12x+18$

And the one root is:

$2(x^2-6x+9 ) = 0\\\Rightarrow 2(x-3)^2=0\\\Rightarrow x = 3$

4 0

3 years ago