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navik [9.2K]
3 years ago
6

Please please help It’s my last assignment

Mathematics
1 answer:
spin [16.1K]3 years ago
7 0
A. Congruent by SSS

Let me know if is wrong or right, please!
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141,760.3 minus 66,744.85 equals _______ rounded to the nearest tenth?
shtirl [24]
You get 75,015.45 without rounding. once you round, you get 75,015.5
6 0
2 years ago
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mina [271]
Answer is 2mph

Speed = Distance/Time

Convert 16 minutes into hours bc you need to give it in mph
16/60=0.2666...

Speed = 19.2/0.2666..

Speed = 72mph

72 - 70 = 2mph
7 0
3 years ago
How exactly do I do this
11111nata11111 [884]
I hope this helps you



length =width +1.25



Area =length ×width



320=w. (w+1.25)


w=18.625


l=19.875


3 0
3 years ago
Which of the following are valid (necessarily true) sentences? a. (∃x x = x) ⇒ (∀ y ∃z y = z). b. ∀ x P(x) ∨ ¬P(x). c. ∀ x Smart
Phantasy [73]

Answer:

b; ∀x   P(x) ∨ ¬P(x)

Step-by-step explanation:

Suppose that we have a proposition p

Such that p can be true or false.

We can define the negation of p as:

¬p

Such that, if p is false, then ¬p is true

if p is true, then ¬p is false.

Also remember that a proposition like:

p ∨ q

is true when, at least one, p or q, is true.

Then if we write:

p ∨ ¬p

Always one of these will be true (and the other false)

Then the statement is true.

And if the statement depends on some variable, then we will have that:

p(x) ∨ ¬p(x)

is true for all the allowed values of x.

from this, we can conclude that the statement that is always true is:

b; ∀x   P(x) ∨ ¬P(x)

Where here we have:

For all the values of x,   P(x)  ∨ ¬P(x)

7 0
3 years ago
In a cookie mix, we find no-bake cookies, cinnamon cookies, and snickerdoodle cookies
Nataliya [291]

Answer:

There are 16 no-bake cookies.

Step-by-step explanation:

1 : 1 : 3

x : x : 48

x = 48 / 3

x = 16

5 0
2 years ago
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