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velikii [3]
3 years ago
6

3+6−4⋅7−0(6)+1 solve

Mathematics
1 answer:
igomit [66]3 years ago
7 0
<h3>3+6-4.7-0(6)+1</h3><h3>=9-4.7-0+1</h3><h3>=9-4.7+1</h3><h3>=4.3+1</h3><h3>=5.3</h3>

please mark this answer as brainlist

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Two walls of a canyon form the walls of a steady flowing river. From a point on the shorter wall, the angle of elevation to the
Sunny_sXe [5.5K]

Answer:

x is approximately 226.3 feet

y is approximately 308.6 feet

z is approximately 226.3 feet

Step-by-step explanation:

The given parameters of the walls are;

The angle of elevation from the top of the shorter wall to the top of the opposing wall, θ₁ = 20°

From the diagram, the angle of depression from the top of the shorter wall to the bottom of the opposing wall, θ₂ = 45°

The distance from the bottom of the shorter wall to the base of the opposing wall, l = 320 feet

x = The height of the shorter wall = l × sin(θ₂)

∴ x = 320 feet × sin(45°) = 320 feet × (√2)/2 = 160·√2 feet ≈ 226.3 feet

∴ x ≈ 226.3 feet

By observation, we have;

y = x + z × tan(θ₁)

Where;

z = l × cos(θ₂)

∴ y = 160·√2 + 320 × cos(45°) × tan(20°) ≈ 308.6

y ≈ 308.6 feet

z =  l × cos(θ₂)

∴  z = 320 × cos(45°) = 160·√2 ≈ 226.3

z ≈ 226.3 feet.

6 0
3 years ago
A perfume is to be mixed in the ratio of 3 drops of pure essence to 7 drops of alcohol. How many drops of pure essence should be
Lemur [1.5K]

the anwser is 24 drops of essentail oil

7 0
3 years ago
(5.2x + 36.4x + 52)/ (2.6x +13)
g100num [7]
Combine like terms in the first set and get
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I got 16x + 4
4 0
3 years ago
What is the length of AB? A.2.59 B.9.66 C.10.35 D38.64
Jlenok [28]

Answer:

what

Step-by-step explanation:

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5 0
3 years ago
N n N n N n N n N n n N N Suppose that you were to draw a random sample of one letter from the set of letters above. Two possibl
kvv77 [185]

Answer:

10/13 = 76.92%

Step-by-step explanation:

The question is missing some information because the underline is missing.

If we make table based on if the letter upper case (A) or lower case(a), and if the letter underlined(B) vs not underlined(b) the data will be:

             A          a

B           4           3         7

b           3           3         6

total      7          6

There are total of 13 letter there. The calculation will be:

P(A or B) = P(A) + P (B) - P(A and B) = (7 + 7 -4) / 13= 10/13 = 76.92%

4 0
3 years ago
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