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RoseWind [281]
3 years ago
12

If someone is good at Precalculus or Physics, please help me solve this.

Mathematics
1 answer:
Kobotan [32]3 years ago
8 0
Magnitude of vector V =√(3²+7²) = √58

Hence: U= -3/√58 - 7/√58

OR multiply numerator and denominator by √58

U = - (3√58)/58 i - (7√58)/58 j
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Joe is hiking in national park wilderness. His radio transmits signals as far as the horizon. Use the formula d =Square root/1.5
Lilit [14]
D=√(1.5)(1.4)
d= √6
d= 2.44948.....

Rounded to the nearest tenth would be c. 2.4 mi
7 0
3 years ago
These triangles are scaled copies of each other.
Mariana [72]

Answer:

a. 4

b. 1/4

c. 16

d. 1/9

e. 4/9

f. 9/16

Step-by-step explanation:

The ratio of the areas is the square of the ratio of the lengths of the sides.

a. Triangles G and F

Select a side in triangle G and the corresponding side in triangle F:

side in F: 10

corresponding side in G: 5

ratio of lengths of F to G = 10/5 = 2

ratio of areas of G to F: (2)^2 = 4

b. Triangles G and B

Select a side in triangle G and the corresponding side in triangle B:

side in G: 5

corresponding side in B: 5/2

ratio of lengths of B to G = (5/2)/5 = 1/2

ratio of areas of B to G: (1/2)^2 = 1/4

c. Triangles B and F

Select a side in triangle B and the corresponding side in triangle F:

side in B: 5/2

corresponding side in F: 10

ratio of lengths of F to B = 10/(5/2) = 4

ratio of areas of F to B: (4)^2 = 16

Do the same for the other 3 pairs of triangles.

The answers are:

d. 1/9

e. 4/9

f. 9/16

3 0
3 years ago
What is 4% of 52???? WILL MARK BRAINLLEST
Nimfa-mama [501]

Answer:

2.08

Step-by-step explanation:

4%=.04

52*.04= 2.08

Hope this helps .-.

6 0
3 years ago
Read 2 more answers
Slope for (6,5) (14, -3)
otez555 [7]

Answer:

m= -1

I hope this helped, have a great day!! <3

7 0
3 years ago
Answer this pleaseee !!
photoshop1234 [79]

Answer:

D.

Step-by-step explanation:

m<F = m<B - Corresponding Angles Theorem

m<B + m<A = 180 - Adjacent Angles Theorem

180 - 105 = m<A

75 = m<A; therefore, m<A = 75.

6 0
3 years ago
Read 2 more answers
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