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castortr0y [4]
4 years ago
12

How do you add/subtract in scientific notation? Answer in a sentence.

Mathematics
1 answer:
Anton [14]4 years ago
6 0

Answer:

With a scientific calculator

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Find the slope of a line parallel to each given line
rewona [7]

Answer:

7) D

8) A

9) A

10) D

11) C

12) B

Step-by-step explanation:

6 0
3 years ago
Answer please I’m really struggling with this
katovenus [111]

To write the any polynomial in standard form you must first put it in terms separated only by +,- operators, then you must order terms x^n descendingly according to n. In your case -\frac{1}{5}x^2 will be the first term because it has highest power, followed by -8x^1 and +7x^0.

The standard form of this specific polynomial is:

-\dfrac{1}{5}x^2-2x+7.

Hope this helps.

6 0
3 years ago
Please answer the questions
siniylev [52]

Answer:

  1. root (7²+8²)=10.63
  2. root (10²-5²)=8.66
  3. root (11²-3²)=10.58
  4. root (18²+15²)=23.43

Step-by-step explanation:

a²+b² = c²

a = side of right triangle

b = side of right triangle

c = hypotenuse

6 0
3 years ago
How to multiply a 2 digit number by 30
miv72 [106K]
Example 20 x 30 is similar to 3x2 which is 6. Just add the zeroes on the end: 600
4 0
3 years ago
Read 2 more answers
Colin and Brian were playing darts. Colin scored 139 Brian scored 53 more than Colin. What was their combined score?
Inga [223]

Answer

Their combined score is 331 points

Explanation

Determine each person's score

Collin score: 139

Brian: 139 + 53 = 192

Add the scores together

139 + 192 = 331

5 0
3 years ago
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