MATHEMATICS HIGH SCHOOL

Which symbol makes the sentence true?- 7/8[] -14/16
A.
<
B.

>
C.

=

Answers

Answer 1
Answer: they are equal so the answer is C. =

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Which equations are true for x = –2 and x = 2? Check all that apply.A.x2 – 4 = 0 B.x2 = –4 C.3x2 + 12 = 0 D.4x2 = 16 E.2(x – 2)2 = 0
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1Solve this quadratic using two different
methods. Show both methods.
x2 + 4x - 5 = 0

Answers

Answer:

x = -5 or x = 1

Step-by-step explanation:

x^(2) + 4x - 5 = 0\n(x+5)(x-1)=0\n

Jennifer is going on a hike to the top of a mountain. It will take 3 hours and 55 minutes to hike up the mountain and 1 hour and 10 minutes to hike back down. If Jennifer wants to finish the hike by 3:45 P.M., what is the latest time she can start the hike up the mountain? Include A.M. or P.M. in your answer (for example, 11:58 A.M.).

Answers

Answer: 10:40 AM

====================================================

Explanation:

Add the minutes for now

55 minutes + 10 minutes = 65 minutes = 60 minutes + 5 minutes = 1 hour, 5 minutes

The minute portions add to 1 hour, 5 minutes. The hour portions add to 3+1 = 4.

Add on the "1 hour, 5 minute" portion and we get 5 hours, 5 minutes

This is the total duration of the round trip hike. Keep in mind that this does not include any time spent with Jennifer resting at the top of the mountain. This time duration assumes that once she gets to the top, she pretty much starts the hike back down the mountain.

----------------------------

Now convert 3:45 PM to military time. We add 12 hours to get 15:45

Subtract off 5 minutes to get 15:40

Then subtract off 5 hours to get 10:40, which converts back to 12-hour time notation to be 10:40 AM

Which system of equations has the same solution as the system below? 2x+2y=16 and 3x-y=4

Answers

4x divide 16 3x-4y it is the answer

4,2 and 6, -5
Give answer

Answers

Equation : y = -3.5x + 16

this is the answer
m= (y2-y1)/(x2-x1)

m= (-5-2)/(6-4)=-7/2

then use y=mx+b

How many solutions does the equation −5a + 5a + 9 = 8 have?None
One
Two
Infinitely many

Answers

Answer:

Option A is correct

None

Step-by-step explanation:

Like terms are those terms which have same variable to the same power.

Given the equation:

-5a+5a+9=8

Combine Like terms;

0+9 = 8

⇒9 = 8      False.

This statement is false for any values of x

therefore, the given equation does not have any solution.
Hello,

Answer A: None
0a+9=8
==>9=8 equation impossible 0 solution

Find the product of (4x + 3y)2.16x2 − 24x + 9y2
16x2 + 24xy + 9y2
16x2 − 9y2
16x2 + 9y2

Answers

16+24xy+9y2 that is what I got
I got 8x+6y when i did it
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