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KiRa [710]
2 years ago
12

Calculate 21+22+23+24...+81

Mathematics
1 answer:
Kryger [21]2 years ago
8 0
The answer is 171 your welcome
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Scott earned 20 points more on his most recent math test than he earned on the previous test. If he earned at least 80 points on
NARA [144]

9514 1404 393

Answer:

  s ≥ 60

Step-by-step explanation:

If Scott earned 20 points more on this test, then he earned 20 points less on the last test. 20 points less than "at least 80" is "at least 60."

  s ≥ 60

7 0
2 years ago
I really need some help somebody
Bezzdna [24]
The answer is 3. This is because, where are you see f(x) and instead of the X it is -1, then X equals -1 and once you find the point of X negative one you’ll find the y point which is what it is looking for
8 0
2 years ago
As a student, you are able to earn extra money by assisting her neighbors with our jobs. If you charged $10.25 an hour for your
baherus [9]

Answer:

821.9

Step-by-step explanation:

because all you would have to do is 8,425 ÷ 10.25 and that equals 821.9 and that's the amount of hours you would need to work for you to get $8,425.

4 0
3 years ago
Read 2 more answers
During the year, James had saved $500 for his summer vacation. By the second week, he has $375 left and by the seventh week, he
Lady bird [3.3K]

Answer:

Amount used by the end of the second week= $500-$375

                                                                              =$125

Amount used by the end of the seventh week= $375-$100

                                                                             =$275

Total amount spent= $275+$125

                                 =$400

Rate of change= $ 500- $400

                          =$ 100

Step-by-step explanation: Hope this helps

6 0
3 years ago
ralph and alphonse are shooting marbles. ralph has 5 more marbles than alphonse and they have a total of 73 marbles. how many ma
PSYCHO15rus [73]

Ralph (r): a + 5

Alphonse (a): a

Ralph + Alphonse = Total

(a + 5) + (a) = 73

2a + 5 = 73

2a = 68

a = 34

Ralph: a + 5 = 34 + 5 = 39

Answer: Ralph has 39 marbles, Alphonse has 34 marbles

6 0
3 years ago
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