Question

Simplify.

10 – 5.3 • (–4 + –6)

A.
63

B.
47

C.
–43

D.
–47

Answer 1

PEMDAS

First add:

10 - 5.3 * -10

Multiply:

10 - 53

Can you subtract that? @newwar248

Answer 2

@newwar248

What's 10 - 53?

Answer 3

i think it is c

Answer 4

no first is whats in the parantheses
(-4+-6) = -10

Answer 5

so 10 – 5.3 • - 10

Answer 6

i dont get it

Answer 7

That's right. it's C..

Answer 8

'Cause 10 - 53 = -43.

Answer 9

ok thanks one more please

Answer 10

Which expressions, when evaluated with z = 8, are negative in value?

Choose all answers that are correct.

A.
–2z – 14

B.
–25 + 4z

C.
–2z + 15

D.
30 – 3z

Answer 11

if its pendas, parantheses is first
so after doing parantheses, you multiply next
10 - 5.3 x -10
10 + 53
then add
so 10+53 = 63, the answer

Answer 12

so a and c

Answer 13

it is A

Answer 14

you can choose more than 1

Answer 15

multiplying 2 negatives gives a positive result

Answer 16

are you sure?

Answer 17

ooooooooooooooo!!!!!!!!!!!!!

Answer 18

the only correct answer is A if you do pendas

Answer 19

thanks

Answer 20

i was talking about the first question:)

Answer 21

ok for the second now

Answer 22

so this one you have to replace z with 8

Answer 23

A.
–2z – 14
-2(8) -14
-16 - 14
-30 so negative, correct
B.
–25 + 4z
-25 + 4(8)
-25 + 32
7 not negative so wrong
C.
–2z + 15
-2(8) + 15
-16 + 15
-1 so correct
D.
30 – 3z
30 - 3(8)
30 - 24
+6 not negative so wrong

Answer 24

so correct answers are A and C

Answer 25

got it?