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3 years ago

What is the law of sllyogism in symbolic form?

Mathematics

1 answer:

boyakko [2]3 years ago

8 0

Answer:

Symbolic form: if p---> q, p then q

Step-by-step explanation

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–4x-2y=-2<br> x-2y=9<br> what do you get if you subtract the second from the first

kirill115 [55]

Answer:

-4×-2y=2

-4×+8y=-8

6y=6

y=1 then you the value of y and to put in any one equestion

7 0

2 years ago

Someone help me please I don't know how to do this ! :(

Ivanshal [37]

$4^{x+1}=21\\
x+1=\log_421\\
x=\log_421-1\\
x=\log_421-\log_44\\
x=\log_4\dfrac{21}{4}\\
x=\dfrac{\ln \dfrac{21}{4}}{\ln 4}\approx 1.1962$

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3 years ago

Annie is framing a photo with a length of 6 inches and a width of 4 inches. The distance from the edge of the photo to the edge

Ede4ka [16]

Answer:

Part a) The quadratic function is $4x^{2} +20x-39=0$

Part b) The value of x is $1.5\ in$

Part c) The photo and frame together are $7\ in$ wide

Step-by-step explanation:

Part a) Write a quadratic function to find the distance from the edge of the photo to the edge of the frame

Let

x----> the distance from the edge of the photo to the edge of the frame

we know that

$(6+2x)(4+2x)=63\\24+12x+8x+4x^{2}=63\\ 4x^{2} +20x+24-63=0\\4x^{2} +20x-39=0$

Part b) What is the value of x?

Solve the quadratic equation $4x^{2} +20x-39=0$

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem

we have

$4x^{2} +20x-39=0$

$a=4\\b=20\\c=-39$

substitute in the formula

$x=\frac{-20(+/-)\sqrt{20^{2}-4(4)(-39)}} {2(4)}$

$x=\frac{-20(+/-)\sqrt{1,024}} {8}$

$x=\frac{-20(+/-)32} {8}$

$x=\frac{-20(+)32} {8}=1.5\ in$ -----> the solution

$x=\frac{-20(-)32} {8}=-6.5\ in$

Part c) How wide are the photo and frame together?

$(4+2x)=4+2(1.5)=7\ in$

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3 years ago

Hello please help thanks

pickupchik [31]

Answer: Gas

Step-by-step explanation: This is the only matter that can be raised form the lakes and oceans

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2 years ago

Donna tutors English. for each hour that she tutors, she earns 25 dollars. her earning, E ( in dollars) after tutoring for h hou

pickupchik [31]

$\begin{gathered} E=25h \\ h=\text{ number of hours} \\ E=25\cdot(3) \\ E=75 \\ \text{Donna earns 75dollars for 3 hours} \end{gathered}$

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1 year ago