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victus00 [196]
3 years ago
13

I need help on this :/ Ignore my answer I accidentally clicked it

Mathematics
1 answer:
Ivanshal [37]3 years ago
6 0
The answer is -4. I solved it on a calculator and got -4
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Sam drove for 2 hours at 45 mph. He has the same distance remaining. How fast should he drive to make his average speed 60 mph?
Goshia [24]
Speed (S) = Distance (D) / time (t)

First stretch

45 = D / 2

D = 45*2

D = 90 mp

How is the same distance:

Second stretch

S = 90 / t

Average speed (AS):

AS = (S1+S2) / 2

60 = [45+(90/t)] / 2

120 = 45+90/t

120-45 = 90/t

75 = 90/t

t = 90/75

t = 1,2 h

________________________

And now:

S = 90 / t

S = 90 / 1,2

S = 75 mph
8 0
3 years ago
The table below shows the cost for different numbers of tickets.
Black_prince [1.1K]

Answer:

D

Step-by-step explanation: It's not going up by 6 or 2, and it's not going down in numbers, so D

7 0
3 years ago
Diego made 6 boxes of spaghetti to feed the 20 people who attended his dinner party.
sdas [7]
15
3 box per 10 people
3x5=15
3 0
2 years ago
Read 2 more answers
Simplify the expression by combining like terms 2x+8-x+10
svp [43]

Answer:

x+18

Step-by-step explanation:

Let's simplify step-by-step.

2x+8−x+10

=2x+8+−x+10

Combine Like Terms:

=2x+8+−x+10

=(2x+−x)+(8+10)

=x + 18

8 0
2 years ago
115 is what percent of 200?
Valentin [98]
57.5 is the answer. Because think of 200 as 100% and 15 out of a hundered is ______. Right.
4 0
3 years ago
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