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Ilia_Sergeevich [38]
3 years ago
10

1)

Mathematics
1 answer:
AVprozaik [17]3 years ago
5 0
The answer to this is C.
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Which rows represent when (p ∧ q) ∨ (p ∧ r) is true?\
tatyana61 [14]
<span>the statement is ambiguous, it must be written as (p ∧ q) ∨ r 
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8 0
3 years ago
Please help. What is the circumference of the circle? <br><br> (X+4)^2+(y-5)^2=81
PIT_PIT [208]

the radius: r^2 = 81

r =9

c = 2*pi*r

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Answer: 18*pi or approximately 56.62

8 0
3 years ago
Read 2 more answers
A $450 TV is discounted 10%, and then another 10% a week later. Explain why taking 20% off the original price will not help you
ExtremeBDS [4]

Answer:

Because the price did not stay the same when they discounted it by 10% percent before.

Step-by-step explanation:

10% percent of 450 is 45 so Subtracting that from 450 would give you,405.

They deducted another 10% percent a week later 10 percent of 405 would be 40.5 so you would subtract that from 405 which would make it 364.5

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4 0
3 years ago
Consider the function graphed below.
aivan3 [116]

Answer:

B. (see attached)

Step-by-step explanation:

All the answers agree that the function is x² for x < 1. Where they disagree is in the slope and y-intercept of the linear portion for x > 1.

The line has a slope that is less than 1 unit of rise for 1 unit of run, so will not be selections A or C, which have slopes of 3.

The y-intercept is clearly positive if we extend the line to the left until it reaches the y-axis. This eliminates selection D from consideration, leaving only selection B.

8 0
3 years ago
Does anyone know the answer to this one?
polet [3.4K]

Answer:

\large\boxed{a(x+4)(x-5)=0,\ a\in\mathbb{R}-\{0\}}\\\\\text{for}\ a=1\to\boxed{x^2-x-20=0}

Step-by-step explanation:

\text{If}\ x_1\ \text{and}\ x_2\ \text{are the roots of the quadratic equation}\ ax^2+bx+c=0,\\\text{then}\ ax^2+bx+c=a(x-x_1)(x-x_2).\\\\\text{If}\ x_1\ \text{and}\ x_2\ \text{, then they are the roots of the quadratic equation.}\\\\\text{We have}\ x_1=-4\ \text{and}\ x_2=5.\ \text{Therefore we have the equation:}\\\\a(x-(-4))(x-5)=0\\\\a(x+4)(x-5)=0\qquad\text{for any value of}\ a\ \text{except 0}.

7 0
3 years ago
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