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Anna [14]
3 years ago
5

Find the unit vector in the direction of (-2, -1).

Mathematics
1 answer:
34kurt3 years ago
3 0
I’m so lost, what do you mean
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(5x10^3)x(9x10^7) can someone please answer this for me.
Anna11 [10]
4.5 times 10^10

1. Multiply 5times ten to the third

2. Multiply 9 times ten raised to the seventh

Then multiply them together
5000 times 90000000
5 0
3 years ago
Could a square with whole number side lengths have the same perimeter as the dog pen? The same area
Jobisdone [24]

Answer:yes

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Please help me 7th grade math operations with rational numbers
Katena32 [7]
1. Stock Market:
If a stock price decreased $2 per day for four days, then the total change in value of the stock is $8. (2 x 4)
Answer: $8.

2. Evaporation:
With the given information, we can infer that if 3 inches of water in a tank decreases each week, then 15 inches of water would decrease over the course of 5 weeks. (3 x 5)
Answer: 15 inches.

3. Football:
If a football team lost 9 yards on 3 consecutive plays, then the team's total change in position is 27 yards. (9 x 3)
Answer: 27 yards.

Hope this helps! Good luck.
5 0
2 years ago
Express the fractions 3/4 ,7/16 and 5/8 with the lowest common denominator
xxTIMURxx [149]
3/4, 7/16, 5/8.....LCD = 16

3/4 = 12/16
7/16
5/8 = 10/16
4 0
2 years ago
Determine if the two triangles are congruent if they are state how do you know SSS,SAS,HL,ASA, OR AAS. Be sure to include any ex
dlinn [17]
1: yes AAS
2: yes SSS reflective
3: yes ASA
4: yes HL reflective
5: no SSA vertical
6: yes SAS vertical

Not sure on vocabulary for 1 and 3 sorry:(
7 0
2 years ago
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