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Alexandra [31]
3 years ago
7

What is the answer to this question? I can't wrap my head around it because I am a 6th grader but my math teacher is making me d

o 8th-grade stuff to prepare me for algebra I.

Mathematics
1 answer:
Mrrafil [7]3 years ago
4 0
It’s a function if it passes the vertical line test or pencil test. Using a pencil and following the function if it touches the pencil in more then one spot it is not a function.
1. Function
2. Function but can be placed in not enough information
3. Not a function
4. Function
5. Function
6. Not a function
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Use the expression 5a – 2b – 3 + 2b – 6a.
ella [17]

Answer:

5a + (-6a) + (-2b) + 2b + (-3) = -a -3 or -(a + 3) so first answer is correct because -(a + 3) is the same as -(3 + a)

Step-by-step explanation:

4 0
3 years ago
A conjecture and the flowchart proof used to prove the conjecture are shown.
dexar [7]
Okay. An obtuse triangle is any triangle that has 1 angle that measures more than 90°. As we can see, angle QRS measures 76° and angle PRQ measures 104°. 104 > 90. Triangle PQR is a closed figure, and a triangle measures 180° total. There can only be 1 obtuse angle in any triangle. PRQ is an obtuse angle. Therefore, triangle PQR is an obtuse triangle.

8 0
3 years ago
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BEST ANSWER GETS BRAINLIEST
ElenaW [278]

Answer:

he should use the kohls cash first

Step-by-step explanation:

He should use the kohls cash first , then the 25% off. He should do this because the cashier will ask him after he hands her the kohls cash about the discount.

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3 years ago
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What does x equal in 7+2/5x=-5
Anna007 [38]

Answer:

x = -30

Step-by-step explanation:

subtract 7 from both sides ( 7+2/5x -7, -5-7 )

simplify ( 2/5x = 12 )

multiply both sides by 5 ( 2/5x times 5 = 5 (-12) )

simplify ( 2x = -60 )

divide both sides by 2 ( 2x / 2, -60 / 2 )

x = -30

7 0
3 years ago
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Help help help help it is little simple​
notsponge [240]

3<em>x</em> ² - 2<em>x</em> + 1 = 2<em>x</em> ² - 3<em>x</em> + 7

<em>x</em> ² + <em>x</em> - 6 = 0

(<em>x</em> + 3) (<em>x</em> - 2) = 0

<em>x</em> + 3 = 0   <u>or</u>   <em>x</em> - 2 = 0

<em>x</em> = -3   <u>or</u>   <em>x</em> = 2

6 0
3 years ago
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