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lara [203]
3 years ago
7

Please help!! i don’t understand how to do this

Mathematics
1 answer:
Arisa [49]3 years ago
8 0

Answer: A is the right angle

Step-by-step explanation:

a. 20^2 + 15^2 = 25^2

400 + 225 = 625

625 = 625

hope this helps :)

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Select the correct answer from each drop-down menu.
nasty-shy [4]

Answer: The answer is actually non of the above, y and z are not acute, they are higher that 90 degree angles. x is an 90 degree angle. so x=90 y=142 z=128

Step-by-step explanation:

4 0
3 years ago
Which point on the number line represents the number that can be added to-3
vova2212 [387]

Answer: 3

Step-by-step explanation: This is because the 2 numbers are opposites, which cancel each other out, going back to zero.

8 0
3 years ago
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-(1+7x)-6(-7-x)=36 what is x equal to
Katyanochek1 [597]

Answer:

x = 5

Step-by-step explanation:

Step 1: Write equation

-(1 + 7x) - 6(-7 - x) = 36

Step 2: Solve for <em>x</em>

  1. Distribute: -1 - 7x + 42 + 6x = 36
  2. Combine like terms: -x + 41 = 36
  3. Subtract 41 on both sides: -x = -5
  4. Divide both sides: x = 5

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

-(1 + 7(5)) - 6(-7 - 5) = 36

-(1 + 35) - 6(-12) = 36

-(36) + 72 = 36

-36 + 72 = 36

36 = 36

5 0
4 years ago
If a large marshmallow has a volume of 3.00in3 and density of 0.242 g/cm3, how much would it weigh in grams? 1 in3=16.39 c
KengaRu [80]
A volume:
V = 3.00  in³
1 in³ = 16.39 cm³
V = 3.00  ·  16.39 = 49.17 cm³
0.242 g/cm³  ·  49.17 g =  11.899 g²  ≈ 11.90  g
Answer:  It would weigh 11.90 grams.   
8 0
3 years ago
7 4/7 2 =49. Why does (=) make it true?
valina [46]

Answer:

I think you're missing some basic operations... but i'd love to help you so if you could let me know what the operations are I'd love to help :)

Step-by-step explanation:

8 0
3 years ago
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