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Alenkinab [10]
3 years ago
15

13. A counterexample

Mathematics
2 answers:
nikklg [1K]3 years ago
6 0

Answer:

. shows that a conjecture is not always true

Step-by-step explanation:

How?

  • If you want to prove something you give an example or proof.
  • But if you want to disprove that you need an counterexample.
marin [14]3 years ago
5 0

Answer:

b

Step-by-step explanation:

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What is the volume of a square pyramids
frozen [14]

Answer:

\large\boxed{V=75\ in^3}

Step-by-step explanation:

The formula ogf a volume of  a pyramid:

V=\dfrac{1}{3}BH

B - area of a base

H - height

We have a base length a = 5 in and a height H = 9 in.

In the base we have a square. The formula of an area of a square is:

B=a^2

Substitute:

B=5^2=25\ in^2

Calculate the volume:

V=\dfrac{1}{3}(25)(9)=(25)(3)=75\ in^3

7 0
3 years ago
Alexis loves to work out on the treadmill. On Monday, she ran 1.52 miles. On Tuesday she ran 0.75 miles. On Wednesday she ran 2.
poizon [28]

Answer:

1.08 Miles

How I Found The Answer:

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I Said Alexis Wished To Have An Even Number So She Ran 1.08 Miles.

6 0
2 years ago
Help please.<br><br><br> answer choices:<br> a)2/3<br> b)3/2<br> c)6/9<br> d)4/6
mr Goodwill [35]
The answer is It’s 3/2
7 0
2 years ago
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Elena L [17]
Y= ∛(-x) - 3
for x = -8 → y = ∛-(-8) - 3 ↔ y = 2-3 ↔y = -1
for x= 8 → y= ∛(-8) - 3 ↔ y = -2 -3 ↔ y = -5
Then  - 5≤ y≤ - 1
hence the range of y is {y|-5≤y≤-1}
5 0
2 years ago
A bag of tiles contains 6 green 4 yellow and 5 blue tiles. If one tile is pulled at random what is the probability of NOT choosi
astra-53 [7]
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2 years ago
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