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3 years ago

Test your PEMDAS 6+8/2(2+2) This one is tricky

1 answer:

7 0

Do parenthesis first (4)
Then, do the division 8/2 = 4
Then multiply 4 and 4 which will be 16
Add 6 to 16 and you get 22

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HELP ASAP! WILL MARK BRAINLIST

balu736 [363]

Answer:

706.50 mm^2

Step-by-step explanation:

C = 2 pi r

30 pi = 2 pi r

r = 15

A = pi r^2

= 15^2 pi

= 225 * 3.14

= 706.50 mm^2

8 0

3 years ago

The domain of discourse is sets. Suppose some predicate Q is true for all elemenst of A: ∀a ∈ A Q(a). Recall the definition of s

Sloan [31]

Answer:

See the step-by-step explanation

Step-by-step explanation:

Let c be any element of C. (I'm not sure wether you have to assume that C is non-empt or not)

C is a subset of B. That means that as c is in C, it is also in B. ( $c \in C \Rightarrow c \in B$ )

Now, B is a subset of A. It follows that as $c \in B \Rightarrow c \in A$ .

That means c is an element of A. The predicate Q is true for all elements of A, including c.

Because we let c be any element of C, we have proven that the predicate Q is true for all elements in C.

5 0

3 years ago

Help please? What’s the answer?

NARA [144]

Well there’s 180° in one triangle. a right angle is 90°. 2x+3x+90=180. 5x=90 divide by five, x=18°

6 0

4 years ago

I only need help on 3, 4 , and D) <br> please help i need it really bad.

Anettt [7]

Answer:

1) 12

2) Yes, there could be 16 people

3) 1/2 of one segment which is 1 block or 2 skinny blocks

4) 1/12

5) 1 of 4 people -> This means that each person gets 1.5/6 pieces which is greater than 0.66/12 piece

1.5/6 = 3/12 which is greater than 0.66/12 piece

Step-by-step explanation:

7 0

3 years ago

The coordinates of which point are (–3, –6)?point Apoint Bpoint Cpoint D

Serga [27]

Answer: I think point C

5 0

2 years ago