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jasenka [17]
3 years ago
11

A statement that's known to be always true or always false is a ​

Mathematics
1 answer:
V125BC [204]3 years ago
4 0

Answer:

The statement that's known to be always true is known as tautologies whereas the statement that's known to be always false is known as contradiction.

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I need help once again!! Did I forget to mention that ur awesome??
Montano1993 [528]
The kite area can be calculated using the formula
a = 1/2 × d₁ × d₂
with d₁ as first diagonal and d₂ as second diagonal

From the question, we know that
d₁ = 9.5 + 9.5
d₁ = 19 in

d₂ = 7 + 12
d₂ = 19 in

Calculate the area by plugging in the numbers into the formula
a = 1/2 × d₁ × d₂
a = 1/2 × 19 × 19
a = 1/2 × 361
a = 180.5

The area of the kite is 180.5 in²
The answer is fourth answer
4 0
3 years ago
I will mark brainliest!<br><br> y = -9x slope and y intercept
Ivanshal [37]

Answer:

y-intercept is (0,0)

Step-by-step explanation:

entire equation is y = -9x + 0 or y = -9x

i have a feeling you forgot some parts...

4 0
3 years ago
Read 2 more answers
Please help and thank you
Anna11 [10]
2 servings because one serving is 4%, so you would need would need to double that, or multiply it by two.
3 0
3 years ago
If (n+1)!=90×(n-1)!,find n.​
Helen [10]

 

\displaystyle\bf\\(n+1)!=90\times (n-1)!\\\\(n-1)!\times n\times(n+1)=90\times (n-1)!~~~\Big|~:(n-1)!\\\\n(n+1)=90\\\\n(n+1)=9\times10\\\\n(n+1)=9(9+1)\\\\\implies~~\boxed{\bf n=9}

 

4 0
3 years ago
What is 448 28% of?<br> Then, what is 24% of that number?
JulsSmile [24]
I believe this is right

Move the decimal over two places so so it becomes .28
Then divide 448 by .28
Which is equaled to 1600
Move the decimal over two places so 24% becomes .24
Then multiply .24 by 1600
And the answer is 384

(Might be wrong sorry)
5 0
3 years ago
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