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brilliants [131]
2 years ago
7

The temperature at noon on a winter day was 8°C. At midnight, the temperature had dropped 15°C. What was the temperature at midn

ight?
Mathematics
1 answer:
klio [65]2 years ago
6 0
All you have to look at is the word "dropped" and you know it's a subtraction problem. In this case, it would be 8 - 15.

8 - 15 = -7

It would be -7<span>°C at midnight. I hoped this helped! :)</span>
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What is the value of the expression below when r = 2?
djverab [1.8K]
The answer is C. 3, because you're essentially saying 9 - (3 × 2) and that is 9 - 6, which equals 3. I hope this helps!
5 0
2 years ago
The graph shows the distance, y, in miles, of a moving motorboat from an island for a certain amount of time, x, in hours:
lisabon 2012 [21]

Answer:  The speed of the motorboat is 70 miles per hour

Step-by-step explanation:  Subtract the initial distance, 35, from the distance at any given time, then divide the remainder by the hours.

For example, at 2 hours, the distance shown on the graph is 175 miles

Subtract: 175 -35 = 140.  Then divide 140/2 = 70

At 4 hours, the distance shown is 315 miles.

Subtract: 315 - 35 = 280. Then divide  280/4 = 70

70 mph is the speed.

7 0
3 years ago
A box can had a maximum of 60 comic books.If comic books are bundled together in groups of 8, write and solve an inequality to f
Reika [66]

Answer: the maximum number of bundles of comic books that the box can carry is 7

Step-by-step explanation:

Let x represent the maximum number of bundles of comic books that the box can carry.

If comic books are bundled together in groups of 8, then the total number of comic books in x bundles of comic books would be 8x.

A box can hold a maximum of 60 comic books. Therefore, the inequality to find the maximum number of bundles of comic books that the box can carry is

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8 0
3 years ago
What expression is equivalent to 5(a + a + a )
Alecsey [184]

Answer:

15a

Step-by-step explanation:

Because   5(a + a + a)  =  5 * (3a) = 15a

5 0
3 years ago
Read 2 more answers
a shopper purchase 8 t-shirts and 5 pairs of pants for $220 the next day he purchased 5T shirts and one pair of pants for $112 h
Lyrx [107]
Each pair of pants cost $27. Set up a system of equations.
5t + 5p = 220
5t + p = 112
Subtracting the second equation from the first,
4p = 108
p =27
3 0
3 years ago
Read 2 more answers
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