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Wittaler [7]
3 years ago
9

Alexa drew AB on a piece of a paper, and then folded the paper so that Point A was on Point B. She claims the crease forms right

angles with AB. In two or more complete sentences, explain why Alexa is correct.
Mathematics
1 answer:
maxonik [38]3 years ago
3 0
Its because when you fold the paper its makes it half so thats why it would be like that.
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What are the solutions to the equation?
Maru [420]

rearrange the equation to where you set it equal to 0 by moving the 25 over.

n2 - 8n -9 = 0

now factor

(n-9)(n+1)

so n1 = 9

n2 = -1

6 0
3 years ago
The ratio of students who prefer pineapple to students who prefer kiwi is 12 to 5. Which pair of equivalent ratios could be used
AlexFokin [52]

Answer:

<u> 105</u> students could prefer kiwi if there are 357 total students.

Step-by-step explanation:

Given:

The ratio of students who prefer pineapple to students who prefer kiwi is 12 to 5.

Now, to find number of students prefer kiwi if there are 357 total students.

Let the students prefer pineapple be 12x.

And the students prefer kiwi be 5x.

Total students = 357.

So, we set an equation to get the number of students who prefer kiwi.

According to question:

12x+5x=357

17x=357

<em>Dividing both sides by 17 we get:</em>

x=21.

<em>Thus, students prefer kiwi are:</em>

5x

=5\times 21=105.

Therefore, 105 students could prefer kiwi if there are 357 total students.

3 0
2 years ago
The Johnsons framed a family picture to hang on the wall. The perimeter of the Frame is 72 inches. Find the length of the frame
olganol [36]
14+14+x+x=72
28+2x=72
2x=44
x=22
7 0
2 years ago
Two gallons of gasoline cost $7.96, 5 gallons cost $19.90, and 12 gallons cost $47.76. Which equation gives the total cost y of
Nikolay [14]

Answer:

9.7921

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Write the equation of the line that has a slope of -4 and goes through (3,-3)
Sindrei [870]
The functional equation of the line is f (x)=a*x+b
you have already a: -4 -->f (x)=-4 x+b
Now you can use the point (3;-3)
3 is the x-coordinate and -3 the f (x)-coordinate
--> -3 = -4*(3) + b Now you can solve it
-3 = -12+b (+12)
b = 9
ANSWER: f (x) = -4x + 9
3 0
3 years ago
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