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Phantasy [73]
3 years ago
8

Evaluate 6(-3) - | -5 | + | 3 | =

Mathematics
2 answers:
Bess [88]3 years ago
6 0
6(-3)=-18, |-5|=5, and |3|=3

so that the answer of this equation is: -18-5+3=-20
Valentin [98]3 years ago
3 0

Answer:

-20

Step-by-step explanation:

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Answer:

Option 3. 71 ft. is the distance between B and top of the hill.

Step-by-step explanation:

Let the height of the hill is h ft and the distance of A from the hill be x ft and distance from B to hill is y.

It is given distance between A and B is 45 ft. ∠BAO = 65° and ∠ABO = 80°.

We have to find the distance of B from the top of the hill.

Now from ΔACO tan 65 = \frac{h}{45-x} = 2.14

h=2.14(45-x)

From ΔBCO tan80 = \frac{h}{x} = 5.67

h = 5.67x

Now h = 5.67x = 2.14(45-x)

5.67x = 96.3 - 2.14x

2.14x + 5.67x = 96.3

7.81x = 96.3

x = 96.3/7.81 = 12.33 ft

Therefore cos80 = \frac{x}{OB}

0.174 = \frac{12.33}{OB}

OB = \frac{12.33}{.174}=70.86=71ft.

Therefore 71 ft is the distance between B and the top of the hill.

3 0
3 years ago
Last year direct marketing had $122,222 in sales. This year direct marketing's sales are down by 9%. What are direct marketings
Mashutka [201]

Answer:

$111222.02

Step-by-step explanation:

This year = Last year * (100%-9%)

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7 0
1 year ago
Find the measure of the missing angle
Mnenie [13.5K]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
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Step-by-step explanation:

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Then the area of the shaded portion of the figure is ...

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  = 40 - 6 = 34 . . . square units

7 0
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