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sveta [45]
2 years ago
5

Anne's computer is broken. Cal's computer helpers charges a $50 fee plus $25 per hour (h) to fix it. Which expression represent

how much it will cost Anne to fix her computer?
Mathematics
1 answer:
AnnZ [28]2 years ago
7 0

Answer:

y = 25h + 50

Step-by-step explanation:

Let's say he stayed for two hours.

y = 25(2) + 50

y = 50 + 50

y = 100

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When Jill woke up, the temperature was -3 C. By noon the temperature had increased by 8 C.
AlekseyPX
-3+8.

We know that the temperature /was/ -3, so it was 3 under zero. It has /risen/ by 8, meaning we have added 8 degrees to whatever the starting temperature was.

We can find out how much the temperature is right now: it was -3, went through -2, -1, 0, 1, 2, 3, 4, and now its at 5 degrees. Thats risen by 8 degrees, right? And -3+8 is the same as 8-3 (commutative property of addition, since we basically did 8+(-3)) which equals 5, so we know that we got the correct answer. :)



3 0
3 years ago
What is the interval notation for the compound inequality? x≤−5 or x>4
Hoochie [10]

Answer:

(-\infty, -5] \cup (4,\infty)

Step-by-step explanation:

The symbol \cup is set notation for UNION--put two sets together into one set.

The first part of the interval notation describes x less than or equal to -5 -- notice the bracket symbol after -5, meaning include -5.

5 0
2 years ago
What is the slope of these lines?<br> What is the equation of these lines?
Mashcka [7]
For both lines the slope is 5/2 or 2.5.
Since the y-intercept is zero for both, both the equations are:
y=2.5x
Or
y=5/2x
4 0
2 years ago
Amanda used 24 grams of paint to paint a wooden cube. When it dried, she cut the cube into 8 equal cubes. How many more grams of
kari74 [83]

Answer:

<h2>Amanda needs 72 grams of paint</h2>

Step-by-step explanation:

Notice that she already painted one face of each cube, that is, 8 faces in total, and she used 24 grams for that.

Now, there remain 3 faces per cube to be painted, which means there are 24 faces.

Then, we use the rule of three, if she used 24 grams of paint for 8 faces, how much grams of paint she would need to paint 24 faces?

24 \times \frac{24}{8}= 72 \ grams

Therefore, Amanda needs 72 grams of paint for the unpainted surfaces.

7 0
3 years ago
Which fraction is less than the fraction represented by the model?
wolverine [178]

Answer:

The last option.

Step-by-step explanation:

First answer = 6/8

Second answer= 5.5/8

Third answer= 6.5/8

Fourth answer= 4/8

Fourth answer is correct.

3 0
2 years ago
Read 2 more answers
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