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horsena [70]
2 years ago
11

max scored 71 and 65 on his first two tests in biology 101. What is the lowest he must score on the third test to get an average

for the three tests above 77. INCLUDE STEP BY STEP EXPLANATION
Mathematics
1 answer:
Vinil7 [7]2 years ago
7 0

Answer:

96

Step-by-step explanation:

To find this answer, I just did a bit of guess and check. I took 71+65+x (random numbers in the general area of those numbers). Then I divided that by 3 to find the average of the three numbers. So, (71+65+96)/3=77.(3). (95 is too small because its exactly 77 when the average is found.) Hope this helped!

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ALL OF THEM FOR BRAINLIEST
Pepsi [2]

Answer:

1. 8/9

2. 8575

3. 1/54

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8 0
2 years ago
Julian study a dog walking business over his summer break. He charges $10 for every 1/3 hour he walks a dog if he increases his
Genrish500 [490]

Answer:

The amount of increase per \frac{1}{3}  hour by $1.

Step-by-step explanation:

Julian charges $10 for every \frac{1}{3} hour he walks a dog.

He increases his fee by 10%

Now we have to find 10% of $10

Amount increased = \frac{10}{100} .10 = 1

So the amount increased by $1.

The amount of increase per \frac{1}{3}  hour by $1.

6 0
2 years ago
Carbon-14 has a half-life of 5,730 years. If a sample contained 70 mg originally, how much is left after 17,190 years?
kow [346]

17,190 / 5,730 = 3. This means we must divide 70mg in half 3 times

70 / 2 = 35

35 / 2 = 17.5

17.5 / 2 = 8.75

There will be 8.75 mg left after 17,190 years.

7 0
3 years ago
Help anyone can help me do this question,I will mark brainlest.​
lakkis [162]

Circumference of a circle = 2πr

So,

circumference = 2\pi \: r \\  =  > circumference = 2 \times  \frac{22}{7} \times  \frac{63 \: cm}{2}  \\  =  > circumference = 2 \times  \frac{11}{7} \times 63 \: cm \\  =  > circumference = 2 \times 11 \times 9 \: cm \\  =  > circumference = 198 \: cm

4 0
2 years ago
Read 2 more answers
Can 3/8 be simplified eney more
AnnZ [28]
No, 3/8 is as simplified as it gets. This is because 3 and 8 have no common factors other than 1.
7 0
2 years ago
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