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Vikki [24]
3 years ago
7

1/5(x-2)=1/10(x+6) and 0.35(x+4)=0.25(x-6) please

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
3 0

Answer:

1) x=10   2) x= -7.25

Step-by-step explanation:

Im not sure

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Step-by-step explanation:

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Find the angle between the given vectors to the nearest tenth of a degree. u = , v = (2 points)
Liono4ka [1.6K]

Answer:

<h2>3.6°</h2>

Step-by-step explanation:

The question is incomplete. Here is the complete question.

Find the angle between the given vectors to the nearest tenth of a degree.

u = <8, 7>, v = <9, 7>

we will be using the formula below to calculate the angle between the two vectors;

u*v = |u||v| cos \theta

\theta is the angle between the two vectors.

u = 8i + 7j and v = 9i+7j

u*v = (8i + 7j )*(9i + 7j )

u*v = 8(9) + 7(7)

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u*v = 121

|u| = √8²+7²

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|v| = √9²+7²

|v| = √81+49

|v| = √130

Substituting the values into the formula;

121= √113*√130 cos θ

cos θ = 121/121.20

cos θ = 0.998

θ = cos⁻¹0.998

θ = 3.6° (to nearest tenth)

Hence, the angle between the given vectors is 3.6°

5 0
3 years ago
a fruit salad contains 20 different pieces of fruit. there are 3 pieces of apple, 8 pieces of watermelon, 7 pieces of banana, an
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There are 2 oranges, if that’s what the question was?
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Please help me for brainiest:(:(:(:(:(
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Answer:

15. 1/3 (33%)

16. 1/6 (16.66%)

17. 1/2 (50%)

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Step-by-step explanation:

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The number in standard form is 233.64

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