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Alecsey [184]
3 years ago
6

PLEASE ANSWER IF YOU CAN!!

Mathematics
2 answers:
earnstyle [38]3 years ago
6 0

Answer:

31.5

Step-by-step explanation:

7 times 4.5 = 31.5

Andrew [12]3 years ago
3 0

Answer:

the surface area of the decoration is 31.5

Step-by-step explanation:

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A car is going at 80 mph. how long will it take to cover 20 miles
Lilit [14]
30 = 80*t
t = 30/80 = 3/8 hr
3/8 hr * 60 min/hr = 180/8 = 22.5 min
6 0
3 years ago
Add 5+[-8] what is the awenser or sum.
Arte-miy333 [17]

Answer:

Your answer is -3

Step-by-step explanation:

We know your answer is going to be the answer because 8 is a bigger number than 5, so you take 5 away from (-8)

Which leaves you with -3

Hope this helps!

-Payshence

7 0
3 years ago
7x[(9+4)-(12-7)] please help me:(
lara [203]

Answer:

56

Step-by-step explanation:

7((9+4)-(12-7))

7(13-5)

7×8

3 0
3 years ago
Read 2 more answers
What is the simplest form of this expression?<br> -(х – 2)(3х2 + 4х-5)
skad [1K]

Answer:

C

Step-by-step explanation:

3x^2 * -x =-3x^3

3x^2 * 2. =6x^2

4x* -x =-4x^2

4x * 2 = 8x

-5 * -x = 5x

-5 * 2 = -10

6x^2 + -4x^2 = 2x^2

8x+5x = 13 x

Ans: -3x^3 + 2x^2 + 13x -10

7 0
3 years ago
Read 2 more answers
I NEED HELP ASAP!!<br><br> Subtract.<br><br> -30-27= ?<br><br> -5-(-4)= ?
pashok25 [27]
-30-27= -57
When both numbers are negative, they are “added” in a sense, but remain negative.

-5-(-4)= -1
You have to multiply the (-4) by the “invisible” -1 on the outside before you add/subtract.
5 0
3 years ago
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