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3 years ago

15

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

1 answer:

KiRa [710]3 years ago

5 0

Answer:

+30 degrees

Step-by-step explanation:

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nasty-shy [4]

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3 years ago

Read 2 more answers

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:

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

6 0

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.

3 0

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

8 0

2 years ago