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Stolb23 [73]
4 years ago
11

Can someone please help me???

Mathematics
1 answer:
Oksana_A [137]4 years ago
5 0

Answer:

B.)    2 / 15

Step-by-step explanation:

: )

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Please help I am confused will give brainly. Not sure how to find the measurements of 2, 3 and 4
antiseptic1488 [7]

Answer:

2: 99° 3: 81° 4: 81°

Step-by-step explanation:

2 is supplementary to 1 so subtract 81 from 180 = 99.

3 is vertical angle with 1 so they are equal

4 is alternate interior angle with 3 so they are equal

hope this helps stay safe :)

4 0
3 years ago
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Given u = 3i − 8j and v = −4i + 8j, what is u • v? 73 8 −76 −56
Ivan
<h3>Answer:  -76  (choice C)</h3>

Explanation:

We're applying the dot product.

u dot v = 3*(-4) + (-8)*8

u dot v = -12 - 64

u dot v = -76

The idea is that we multiply the x coordinates together, and the y coordinates together separately. Afterward you add the products. The result of any dot product is a scalar value, aka a single number.

The dot product is useful in many applications. One of which is to determine if two vectors are orthogonal.

4 0
2 years ago
Dan sold half of his comic books and then bought 9 more. He now has 11.how many did he begin with
Dimas [21]
<h2>4</h2>

Subtract 9 and multiply by 2

6 0
4 years ago
Help what is the answer
Gre4nikov [31]
Answer: 24

Work: 4x= 4•12, yz = 8•3, so you have to do 48 (4 times 12) - 24 (8 times 3)
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3 years ago
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Been here for hours please help me
mezya [45]

Answer:

free points

Step-by-step explanation:

8 0
3 years ago
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