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Paha777 [63]
3 years ago
13

Five students are lined up in a row. How

Mathematics
1 answer:
Romashka-Z-Leto [24]3 years ago
6 0

Step-by-step explanation:

16 arrangement can be done

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Explain how to convert 2.7 × 104 from scientific notation to standard form, then give the answer in standard form.
stepladder [879]

The exponent positive 4 means we move the decimal four spaces to the right.

The 2.7 becomes 27,000 after doing so

2.7 \times 10^4 = 27,000

If the exponent was negative, then we would move the decimal point to the left.

7 0
2 years ago
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Write the phrase as a mathematical expression: 5 more than twice a number
Masteriza [31]

Answer:

2x+5

x is the unknown number, you times it by 2 and add 5 becaseu it is 5 more than twice the number which is 2x

Please mark my answer as  >_<

Step-by-step explanation:


5 0
3 years ago
Emma is playing miniature golf. Her ball is 2 feet of the right-wall. The hole is 4 feet to the left of the wall. The distance a
GalinKa [24]

Answer:

She should aim 6 feet down the wall

Explanation:

The diagram attached sketches the situtation.

Since the angle with which the ball hits the wall is the same with which it bounces, angle β is the same for the two shown triangles.

Then, since both are right triangles, then all the angles are congruent and the triangles are similar. Hence, you can equal the ratios of the sides, to make an equation:

x/4 = y/2 ⇒ x = 2y

You have other equation:

x+ y = 18

Substitute

2y + y = 18

3y = 18

y = 18/3

y = 6 ← this is the distance down the wall where the ball should hit

x = 2(6) = 12

Then, she should aim 6 feet down the wall.

4 0
2 years ago
I just need help with b
allsm [11]

Answer:

I don't know sorry for that I tried my best

7 0
2 years ago
Plz solve anyone I having trouble answering this someone respond fast
Ipatiy [6.2K]

Answer:

55 6/9

Step-by-step explanation:

3 0
3 years ago
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