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anygoal [31]
3 years ago
15

The temperature rose by 30°F today write a signed number to represent the temperature change

Mathematics
1 answer:
KiRa [710]3 years ago
5 0

Answer:

+30 degrees

Step-by-step explanation:

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3 years ago
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The graph of y=x^2 -7x+ 12 is a parabola with x-intercepts at
vesna_86 [32]

Answer:

<h2>x = 3 and x = 4 → (3, 0) and (4, 0)</h2>

Step-by-step explanation:

\text{x-intercept is for y = 0}.\\\\\text{We have the function:}\ y=x^2-7x+12.\\\\\text{Put y = 0 and calculate the value(s) of x.}\\\\x^2-7x+12=0\\\\x^2-3x-4x+12=0\\\\x(x-3)-4(x-3)=0\\\\(x-3)(x-4)=0\iff x-3=0\ \vee\ x-4=0\\\\x-3=0\qquad\text{add 3 to both sides}\\\boxed{x=3}\\\\x-4=0\qquad\text{add 4 to both sides}\\\boxed{x=4}

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3 years ago
How to solve wx=x+5, tw=4x+5: tx
Hatshy [7]
Hello : 
wt = wx +xt
xt = wt - wx=(4x+5) - (x+5) = 3x
5 0
2 years ago
Carrie likes to buy t-shirts at the local clothing store. The shirts cost $9.95 each. If she buys 25 t-shirts, how much money wi
DerKrebs [107]
Carrie will spend 248.75 on 25 t-shirts. Multiply $9.95 by 25.
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3 years ago
which type of triangle has side lengths of 5 in, 6 in, and 7 in? A) acute B) equilateral C) obtuse D) right
Rina8888 [55]

Step-by-step explanation:

we know this is not equilateral and right because not equal in size and two side square is not equal to hypotenuse the ans is a or b

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2 years ago
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