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Art [367]
3 years ago
13

In order to get an A in science, Jack must get at least a 92% on his next test. If test has 30 questions,what is the minimum num

ber he must correctly answer?
Mathematics
2 answers:
Neko [114]3 years ago
7 0
Jack must score 28 problems correct. To get a 92% he must answer 92% of the 30 questions right. which means 0.92*30=27.6, but it is not possible to score 0.6 of a problem right so you would round to 28, which guarantees Jack scores a 92 because if we round down, Jack would score less than a 92
VARVARA [1.3K]3 years ago
5 0
Answer is 28 minimum correct answers to score a 92%.
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A train is traveling at a constant speed of 105 miles per hour. How many feet does it travel in 3 seconds? Remember that 1
ipn [44]

Answer:

in 3 seconds the train should travel 462 feet

Step-by-step explanation:

So, first, we convert the miles into feet.

105 x 5280 = 554400

This means the train travels 554400 feet per hour.

then, we convert the hour, into second.

Since an hour has 60 minutes, and a minute has 60 seconds, we simply multiply:

1(hour) x 60(minutes) x 60(seconds) = 3600

So the train moves 554400 feet every 3600 seconds.

To get how many feet it travels in one second, we divide this by 3600.

3600/3600 and 554400/3600

1 and 154.

For every second the train travels 154 feet.

Then we simply multiply them by 3.

3x1 and 3x154, which equals:

3 and 462.

So the train travels 462 feet every 3 seconds.

I tried to explain this as simply as I can.

I hope its all correct.

6 0
3 years ago
What is the area of the trapiziod
dedylja [7]
550 i’m pretty sure......
5 0
3 years ago
Read 2 more answers
The volume of a prism is 48 cubic centimeters. If the length is 2 centimeters and the width is 4 centimeters. What is the height
Pie

Answer:

6

Step-by-step explanation:

volume is (lwh) since youre trying to find the height just multiply the 2 and 4 together to get 8. Then divide 8 by 48 to get your height.

4 0
2 years ago
Wait please help I’m so confused
kkurt [141]

X=7 since you need to make an equation and in one hour you make $7. Don’t include the 1 as in 1x cause that’s incorrect

8 0
2 years ago
cathi scored 6 baskets in each of her last 3 basketball games. Each basket was worth 2 points. how many points did cathi score i
jonny [76]

Answer:

p=36

Step-by-step explanation:

3(6*2)=p  

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Sorry if its hard to understand I'm new to anwering questions on brainly

4 0
3 years ago
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