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ValentinkaMS [17]
2 years ago
11

A picture frame is 4 inches taller than it is wide and has an area of 192 square inches. What are the dimensions of the picture

frame? using the quadratic method
thank you :)
Mathematics
1 answer:
Masteriza [31]2 years ago
5 0

Answer: width is 12, length is 16

Step-by-step explanation:

A= l*w

l=w+4

A=w(w+4)

A=192\\192=w^{2} +4w\\0=w^{2} +4w-192

factor

(w+16)(w-12)

w= -16 or w=12

width is 12, length is 16

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Change 5x-3y=3 in slope intercept and graph it
kenny6666 [7]
An equation in the form of slope intercept is written as y=mx+b. That means that we need to get y positive, which we can do by adding 3y to each side, and then subtracting 3 from each side to get y by itself. Doing all of these steps, the equation becomes 3y=5x-3. But, we're not done because we still need to get y equal to one, which we can do by dividing each side of the equation by 3. This makes the equation become y=5/3x-1.

The graph of the equation looks like this:

4 0
2 years ago
Please someone help i dont know this :(
steposvetlana [31]

Answer:

D) None of the above

Step-by-step explanation:

These are no supplementary or complimentary because they do not add up to 180 and to be vertical they would have to be across from each other

5 0
2 years ago
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Dahasolnce [82]
No, Jonah is not correct. The answer is shown in the picture.

8 0
2 years ago
Which is an x-intercept of the continuous function in the
Paladinen [302]

Answer:

(-1, 0), (2, 0), (3, 0)

Step-by-step explanation:

x-intercept of a line is defined by a point where y = 0.

So the point in the form of (x, 0) will be the x-intercept of the given continuous function.

From the table attached,

For x = -1, f(-1) = 0

For x = 2, f(2) = 0

For x = 3, f(3) = 0

Points (-1, 0), (2, 0) and (3, 0) are the x-intercepts of the continuous function f(x).

5 0
3 years ago
Can a sequence be both arithmetic and geometric?
artcher [175]
An aritmetic sequence is like this
a_n=a_1+d(n-1) where a1=first term and d=common difference

geometric is a_n=a_1(r)^{n-1} where a1=first term and r=common ratio


can it be both aritmetic and geometric
hmm, that means that the starting terms should be the same

therfor we need to solve d(n-1)=(r)^{n-1}
what values of d and r make all natural numbers of n true?
are there values that make all natural numbers for n true?

when n=1, then d(1-1)=0 and r^(1-1)=1, so already they are not equal

the answer is no, a sequence cannot be both aritmetic and geometric
4 0
2 years ago
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