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Fittoniya [83]
3 years ago
5

Susanne checks the temperature at 11:00 a.m. She notices if the temperature rises by 8 more degrees, it will break the record-hi

gh temperature for that date, which is 82 degrees. If t = the temperature in degrees at 11:00 a.m., which mathematical sentence expresses the information above?
Mathematics
2 answers:
Ghella [55]3 years ago
5 0
For the record to break, new temp. should be greater than 82 degrees.
So,
t + 8 > 82
t > 82 - 8
t > 74
Elza [17]3 years ago
4 0

Answer:

t + 8 > 82

Step-by-step explanation:

apex answer I hate apex and wanna help you guys again its t + 8 > 82  

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X^2-x+2=0<br> Please use the quadratic formula
Ainat [17]

Answer:

\boxed{\sf x=\cfrac{1\pm \sqrt{-7} }{2}}

Step-by-step explanation:

\sf x^2-x+2=0

<u>Use quadratic formula:</u>

\boxed{\sf \frac{-b\pm \sqrt{b^2-4ac}}{2a}}

\sf a=1, b=-1, c=2

___________________________

\sf x_1,_2=\cfrac{-\left(-1\right)\pm \sqrt{\left(-1\right)^2-4\times \:1\times \:2}}{2\times \:1}

  • \sf \sqrt{\left(-1\right)^2-4\times \:1\times \:2}
  • \sf =\sqrt{-7}

_________________

\sf x_1,_2\cfrac{-\left(-1\right)\pm \sqrt{-7}}{2\times \:1}

  • \sf -(-1)=1
  • 2\times 1=2

\sf x_1,_2=\cfrac{1\pm \sqrt{-7} }{2}

_______________________________________

<u>Learn more: brainly.com/question/22286698</u>

4 0
2 years ago
Suppose that f(x)=x2 and g(x) =4/5x2. Which statement best compares the graph of f(x)?
Roman55 [17]

Answer:

See below.

Step-by-step explanation:

Are f(x)=x2 and g(x) =4/5x2 correctly written?

This answer assumes they are supposed to be:

f(x)=x^2 and g(x) = (4/5)x^2

If these revisions are correct, g(x) would produce values that are (4/5) of f(x).

See attached graph.

I don't see any of the options for "best statement."

6 0
2 years ago
When p is false and q is true, then p or q is true or not?
Afina-wow [57]
True, because "or" is a logical sum.

true = 1
false = 0,
sum (1+0) = 1, true.

5 0
3 years ago
Answer the question please.
Mariulka [41]

8/5x = 1

or

1.6x = 1

Work:

Add 7/3x and 1/3x to make 8/3x. Equation: 8/3x = 1 + 5/3x

Divide 8/3x by 5/3x, looks like 8 over 3 times 3 over 5. 3s cancel each other out, leaving 8/5x. Equation: 8/5x = 1

If needed to be simplified, 8/5 = 1.6.

6 0
3 years ago
Given that f(x) is even and g(x) is odd, determine whether each function is even, odd, or neither. (f • g)(x) = ? (g • g)(x) = ?
vekshin1

Answer:

<h2>(f · g)(x) is odd</h2><h2>(g · g)(x) is even</h2>

Step-by-step explanation:

If f(x) is even, then f(-x) = f(x).

If g(x) is odd, then g(-x) = -g(x).

(f · g)(x) = f(x) · g(x)

Check:

(f · g)(-x) = f(-x) · g(-x) = f(x) · [-g(x)] = -[f(x) · g(x)] = -(f · g)(x)

(f · g)(-x) = -(f · g)(x) - odd

(g · g)(x) = g(x) · g(x)

Check:

(g · g)(-x) = g(-x) · g(-x) = [-g(x)] · [-g(x)] = g(x) · g(x) = (g · g)(x)

(g · g)(-x) = (g · g)(x) - even

7 0
3 years ago
Read 2 more answers
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